A Heat Pump for £500?!
Ғылым және технология
The UK Government with its funded Boiler Upgrade Scheme is targeting 600,000 heat pump installations a year by 2028. And although 2023 saw a record increase of installations in the heat pump sector compared to 2022 there are still only just over 200,000 certified heat pumps installed across the UK!
In this episode Imogen and the team went to Octopus Energy’s R&D and Training Facility in Slough, to find out about the new Octopus Cosy 6 high temperature heat pump which they believe could be the solution for 80% of UK homes and could cost just £500!
Come and see the Octopus Cosy at Everything Electric NORTH in Harrogate on 24th, 25th and 26th May 2024!
00:00 Introduction
00:58 What is the Octopus Cosy 6?
02:25 The Octopus Cosy Up Close
03:20 Low Temperature v High Temperature Heat Pumps
04:29 How Efficient are Heat Pumps at Heating a Space?
05:15 Are All Homes Suited to a Heat Pump?
06:08 How Octopus Aims to Speed up the Heat Pump Transition
07:27 Octopus’ Training Facility
07:49 Costs and Savings
08:24 Octopus’ R&D Facility
09:09 What if I Have a Combi Boiler System?
09:44 Integrating With Other Clean Technologies
10:33 Making Heat Pumps Accessible
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Let me start off by saying that I am industry professional (Chartered Surveyor) who deals with renewables and am in the process of looking at which heat pump to install in my own home. I am a big fan of heat pump, solar PV & battery storage technology. However, I recently contacted Octopus (who I am also a fan of - their tariffs, at least) for a quote on a heat pump installation. Whilst the price was decent (I can get cheaper), I was concerned by the design specification. To get the MCS certification needed for the BUS scheme grant, the system has to be designed to a flow temperature of no more than 50 degrees C. But, and its a big but, a heat pump that has to run at 50 degrees will not be anywhere near as efficient as a system running at a cooler temperature, at least sub-45 degrees, ideally cooler. Why? The COP (coefficient of performance) drops from more than 430% at 45 degrees, to about 385% at 50 degrees. Why is that important? Because with electricity being just over 4x more expensive than gas, a heat pump system with a COP of less than 400% will cost the user MORE than a gas boiler. I did highlight this to the Octopus rep and she said that they 'couldn't' design to a lower flow temperature. Again why? Basically, to get the system to output the needed heat at a lower flow temperature you need bigger heat emitters (radiators) and Octopus don't want to upgrade any more of your system than they have to, understandably. But should the facts not be outlined to people who aren't as clued up as some of us, so they can make their own decision about long term costs? The issue I have is that interviews like this - where the Octopus rep clearly states that you will get a COP of over 400% - is simply not true with the way Octopus design the system. Yes, in warmer months you will get that level of performance, but in winter, when you really need it, people will be paying more to run the heat pump than a gas boiler. That will lead to a wave of more bad press about a really cool and worthwhile technology that can be what we want it to be IF the system is designed correctly! Octopus - please change your approach, despite seemingly good intentions you are misleading people. Everything Electric Show - please ensure you use your channel to educate people in an unbiased way with all the facts.
@grahamf695
25 күн бұрын
Very important observations, thanks. I ws thinking about installing a heat pump with R290 and running it at nearer to 70 C to avoid needing to upgrade my radiators, so I guess that would be a lot less efficient.
@t1n4444
25 күн бұрын
Hmm ... a heat pump might be cheaper these days ... but, big but ... an installer might well suggest (!) that to get the full benefits the house needs to be fitted with bigger rads, 22mm pipe throughout to shift the heat and more powerful circulating pump. It's the consequent labour costs that are downplayed. Then the installer might suggest the homeowner really should fit much more insulation and a heat exchanger in the vents perhaps. Sadly we don't hear too much about improving the insulation before the job. Even with a decent grant the cost will still be quite dear. Anyway full marks to the Octopus lady expert ... an accomplished salesperson, very, very smooth spiel and almost believable.
@bencampbell2041
25 күн бұрын
400% isn't the cost crossover point with gas because gas isn't 100% efficient... It's closer to 370% with 90% efficient boiler
@gasdive
25 күн бұрын
Just buy an air to air split system for dog's sake. You're only pumping up to room temperature then, 18 to 22 degrees depending on your tolerance for wearing a jumper indoors. When it's 15 outside, and you just need to take the chill off, you're looking at COPs of 25 or so in practice. (About 100 in theory, but you never get to the theoretical limit)
@4evermetalhead79
25 күн бұрын
Good write up! 👍 This is what i have been saying for both the all electric show and for the fully charged show. Content should be unbiased, verified and educational, instead of being stuck in an echo chamber and just accept and repeat what they are told. This is not the first time they just push out content that is not only incorrect or unverified or misleading but actually negative to people in general. Misleading and misinformation is the age we live in.
As an octopus customer, I really like what they’re doing, but my only criticism of this new heat pump is it looks like a recycling bin at a theme park LOL
@delboy7039
21 күн бұрын
Cute then...!
@allicesmashes
3 күн бұрын
I knew I recognised it somewhere! 😂
"what more could you possibly want ?" A spec sheet ! Sound levels & Cop /Scop at these high temperatures. That said it good to see , & regarding looks ... Don't mind Normal Look or this ..
@AceSkates
26 күн бұрын
ability to use it without their app would be nice too
@rogerphelps9939
26 күн бұрын
@@AceSkates Absolutely. A sceptic would say that it is a ploy by Octopus to have a captive customer base which is difficult to get out of.
@tonystanley5337
26 күн бұрын
At the end of the day these articles are paid ads, these things need independently tested to a spec that works for resistive, heat pumps and gas.
@robbiepmusic
26 күн бұрын
The only thing that counts is the cop eh, cop 2 when its cold wont be cheaper than other ways of heating.
@bencampbell2041
26 күн бұрын
@@robbiepmusicSCOP is what matters for overall cost.
"all in one place in one app" isn't much of a benefit because it's always an attempt at vendor lock in. We need journalists to start asking about open data formats. Still I love these videos, thanks for making them.
@celt1578
26 күн бұрын
Octopus are better than most energy suppliers in that they give easy access access to smart meter data etc via an HTTP API. Totally agree on open formats/protocols though; it is really bad that the UK doesn't legally require OpenTherm support like some other European countries do.
@rogerphelps9939
26 күн бұрын
Absolutely. Don't touch this witth a bargepole unless clear ways of getting out without losing the heat pump are provided.
@JohnR31415
26 күн бұрын
@@rogerphelps9939 you’re not going to “lose the heat pump”. They aren’t only available for octopus customers… it’s not lock in in that regard. OTOH a local API (MQTT for preference, but other options are available) really ought to be mandatory.
@timrothwell33
26 күн бұрын
Did you watch the video?@@rogerphelps9939
@saberint
25 күн бұрын
And what data is the app collecting (and selling). The pump could be subsidised by the app
Strangely devoid of facts. What will be the flow temperature for a 'high temperature' system? What is the noise output? Another vid, please, with less cosy PR, and more information. I thank you.
@delboy7039
21 күн бұрын
Most folks don't know/care, as long as the hot water comes... Same as Boilers, who knows what their boiler flow rate is....!
@ndudman8
19 күн бұрын
female led... what do you expect ?
i feel like this 'article' didn't answer anything
@stucorbishley
20 күн бұрын
Was about to say the same thing… I don’t think a single question was answered especially when considering the audience is already knowledgeable on the subject.
So we’ve spent two decades pulling out old boilers and immersion tanks in favour of efficient condensing combi boilers. Now we’re being told pull out the gas boiler for a heat pump, oh but you’ll need that tank back again.
@kevinjackson6387
15 күн бұрын
Ya going backwards who wants one of them big lumps of metal stuck outside ya house ,then puta tank back in for hot water then prob got to change your pipe work and rads ,combi every day of the week
I have got to say firstly we are satisfied and enthusiastic Octopus Customers having been on their tariffs for a number of years. We are currently on Intelligent Go and have always found that the company respond well to questions and are open with information. But… I didn’t feel comfortable with this video it was far too woolly, no technical information, no Scop figures, no proper explanation as to why the pumps are working at such high temperature ( and if that has an effect on efficiency) how does it compare efficiency wise with existing heat pumps, why is the design so different, what advantages are there for placing the fan in a semi upright bucket etc. The lack of probing by the interviewer didn’t help either, this was a promo video without any serious scrutiny of what the Octopus lady was saying. Very disappointing both interviewer and interviewee. Juries out with this one, we will be in the market for a heat pump in due course but will need a lot of reassurance and evidence before we go down the Cosy route of whatever size.
@drfisheye
19 күн бұрын
Agreed. Running heatpumps with high temperature output usually lowers the efficiency quite a bit. And in winter, the efficiency of heat pumps is also lower, so combined, running a heat pump at high temperature in winter isn't all that efficient. Better insulation is still king. And bigger radiators.
I prefer the traditional look of heat pumps. This looks like my kitchen bin and I’m concerned it would deteriorate out in the weather.
Imogen misunderstood the point that they're specifically not talking about (as she said) "warm when they need to be warm" but instead as Effie said "heating the space when it is cheapest" which is often at 180 degrees to when you might actually want the heating. Eg loading up the temperature of the house overnight on cheap electricity, instead of leaving the house to cool overnight (which is usually much more comfortable for sleeping). There is an obvious high-demand period from 4-7pm when electricity prices spike, and so you'd do well to avoid using a heat pump then, still relatively expensive from 7-9pm. It will be interesting to see how this develops with an energy supplier controlling the heat pump; and whether you truly do end up with comfort when chasing low energy costs.
Great to see Octopus working on their own solutions, but the details were sorely lacking and felt like they were skirting around anything that might have made it seem less than ideal. Also found it slightly odd that they're testing it in 70s and 90s homes when the vast majority of UK housing stock is pre 1940s, and its those that nobody seems to be willing to test on, probably for a good reason.
@Soulrollsdeep
21 күн бұрын
Is there much building reg difference between a shed someone built in their back garden and houses built before the 1990's? Insulation wise...I think not.
@logicalChimp
21 күн бұрын
They did say that those two housing types covered more than 50% of the housing stock in the UK... and the older stock would be more likely to need upgrades, whereas they're probably trying to work out how to minimise changes needed for 'newer' properties, to help keep costs down.
When are we going to get grants for air to air?! Wet systems are ok but if you're going max efficiency why would you take heat from air to put into water to put back to air?! Air to air means you get get rid of radiators and have more freedom to arrange your room, means you get cooling in summer as climate warms right on the days when solar isnt a problem... Crazy that we're only supporting a2w in the uk
@seanduffy2214
26 күн бұрын
1. Doesn't do hot water 2. Why would the government want to encourage higher energy usage in summer? I've got some air to air units but I don't really like the nature of the heat compared to radiators or UFH.
@jezlawrence720
26 күн бұрын
@@seanduffy2214 1. Neither does a heat pump without a cylinder. Get a cylinder with a heat pump built in, and a solar diverter. 2. If paired with solar - which could be a precondition of the grant - then there won't be extra grid draw on the days you want cooling, because those are the days with the sun. And a solar diverter to soak up any excess and put in your water cylinder. The other reason the govt might want to provide for air to air is to keep people alive in the increased heating events we are going to see. On your point re heating comfort, that's interesting, I've heard some people don't get on with them due to the different nature of the heating. Might be just what you're used to or might be certain types of draughty houses maybe. if there were grants to encourage the sort of market innovation we've seen for a2w heat pumps, maybe we'd start getting enough data to be sure.
@gsum1000
26 күн бұрын
@@seanduffy2214 What higher energy usage in Summer? Ours uses solar electricity on the few days that justify its use for cooling. HPAC is definitely the way to go. They heat the rooms virtually instantaneously and are far cheaper to run than any type of radiator. Combined with a small hot water heat pump, HPACs are the perfect solution.
@seanduffy2214
26 күн бұрын
@@jezlawrence720 I only state the reasons why government won't give grants on them. If you say you need to add solar to the pot to overcome all of that then you've got a whole level of complexity you are introducing and would require multiple suppliers. We are a way off needing a2a to cool homes. But I don't think they'd go for grants on those anyway. Nor is it a good use of government money for a few days a year it's needed. I like our a2a system but I wouldn't have it as primary heating. We have a well insulated draft free house but I find you get big temperature differences in the same room and harder to maintain a stable temperature. It's good for the office so I don't need the heating on elsewhere and such low running cost you can't see it on the smart meter. If I had endless money I'd go for UFH everywhere, it's a lovely stable temperature.
@seanduffy2214
26 күн бұрын
@@gsum1000 By the nature of using it in the summer vs. not having it you are consuming more energy. The grants are there to encourage less energy use. Not everyone will have solar, and when we run our AC it tends to be to keep the place cool at night anyway once the sun has gone down.
Lets hope the installer training is good, because looking at the skillbuilder/heatgeek videos it's clear that this is make or break for heat pump installs. I just hope the government understands that too; perhaps a percentage of available resource should go on training.
@crm114.
26 күн бұрын
Indeed. An absolute key first step is to get a proper heat loss survey done on your house. Oversizing is a common problem which can lead to reduced efficiency in the running of the heat pump. We had one fiited and it’s working extremely well but I did my homework extensively.
@keithbrown339
26 күн бұрын
So right, I'm surprised Octopus has not bought heat geek.
@littlechanges13
26 күн бұрын
Can confirm, having had an Octopus survey literally this afternoon, the training isn’t up to scratch…
@David-bl1bt
25 күн бұрын
@@crm114. oversizing is prevalent in the heating industry. ALL gas boiler installations have oversized boilers fitted....because it is a get out of jaul card due to lack of (if at all) correct home heat loss calculations.
@Neilhuny
25 күн бұрын
Make or break for heat pumps installs?! What madness is this?
I am also a proud Octopus customer and would love to install a heat pump. But I think the average £500 installation cost quoted for a well insulated house might be a little astray? We live in a relatively new, highly insulated, detached house with underfloor heating throughout the ground floor, and radiators on first floor. We are rated A for EPC with a score of 96. Our heating is currently provided by an efficient, four year old gas boiler and hot water tank. So we are extremely suited for conversion, as no change to radiators or associated pipework would be needed. My quote for conversion from Octopus was £3,880. That means the total cost of installation, including government grant, is actually £11,380. Sadly, whilst I would love to convert to a heat pump, even a price of £3,880 to me is just not cost effective as it would take quite a few years to recoup the outlay. And there cannot be a vast number homes in the country more suited? And there must be a question mark over whether the scale of government grant is affecting installation costs. It would be very interesting to see some analysis of quoted costs which might show where most of the installation cost is being spent?
@rogerphelps9939
26 күн бұрын
Please consider the environment, especially the environment that our grandchildren will have to live in when making your decisions. Decisions made on very short term costs can be disastrously wrong.
@jamesgrover2005
26 күн бұрын
What kind of heat pump was it? That's not far off a ground source heat pump price here in the Netherlands.. air source are nowhere near that price.
@paulnextlevelbusiness2257
26 күн бұрын
Don’t be so tight and get on with it! 😂 likely your install has additional considerations to it like pipes, rads, location, elec supply etc etc
@hughmarcus1
25 күн бұрын
It’s a well established fact that government incentives tend to drive up prices. As for the Octopus Quotes. I’d suggest getting a quote from Viesmann, they’re a far better heat pump than anything Octopus do, in my experience they’re keenly priced too. Viesmann aren’t well known in the UK yet but are market leader in Germany & Austria
@stratosphericozone2645
25 күн бұрын
That is shocking and disappointing. My house isn’t as so well suited. It would be interesting to see the breakdown of the quote to see where all the expenses is going. I hope you get some more quotes and receive a much better price.
All sounds great, every time we contact Octopus [customer over 3 years now] they're not installing in Scotland. Awesome, thanks Octopus
Two comments: If it is summer in the UK, this means you are cooling the residence. This means you would not have a comfy fan to blow in your garden, as it would be exhausting hot air. This angled upward fan opening would seem to allow more precipitation to get inside the 'bits n bobs' versus the side exhausting models.
@JOOI525
25 күн бұрын
Thought I must be missing something as they seemed to completely ignore this point......not just me who questioned it then!
@mralistair737
25 күн бұрын
i doubt it has a cooling cycle. but you might be generating hot water.
@gasdive
25 күн бұрын
No cooling cycle because it only makes hot water.
@jsptravels
25 күн бұрын
@@mralistair737where Air 2 Air has the advantage, as that’s just the new name for air conditioning which does heat as well as cool …
@andrewcunningham1
22 күн бұрын
The unit would cool the air during a hot water cycle. There is no suggestion here that the unit is used for cooling the property...or water.
I love the way Octopus has turned it's back on the way things have always been done and provided the best tariffs to suit modern day technologies.
looks like a big bin with a fan on it.
Body language suggested that the positives are over sugar coated?
@RichardBrooklyn
25 күн бұрын
This is an ad.
@crm114.
25 күн бұрын
Heat pumps can be made to work with an efficiency >400%, that's all you really need to know.
@t1n4444
25 күн бұрын
@@crm114. Surely the installation cost, amount of upheaval, payback time might be of interest. 400% ... seems a tad optimistic.
@logicalChimp
21 күн бұрын
@@t1n4444 400% isn't overly optimistic - but it's also the target they have to heat for the heatpump to be more cost-effective than a boiler, at current gas/electricity prices... and the quote I got from Octopus included e.g. the installation of a new water tank, replacement of some radiators, and so on.
@jonb5493
19 күн бұрын
@@logicalChimp Can you post some details of your quote?
Why is the fan angled up to catch rain/snow/dust/bird crap?
Excellent news. It's fantastic to see such great energy efficiency improvements. Thanks so much for this brilliant episode.
If you have a house like ours that is two thirds solid brick, also has double glazing and loft insulation you won’t be able to install a heat pump, Octopus did a survey on our house and advised that we should not install a heat pump because they don’t do one big enough, the house is a four bedroom, we don’t use two of the bedrooms and only heat two downstairs rooms but apparently the heat pump needs to heat all rooms to be efficient. Looks like we are stuck with gas for the foreseeable future.
@J.S.A.
26 күн бұрын
Heatgeek would say otherwise. We have similar set up no wall insulation and are looking at a system.
@andrewmullen4003
25 күн бұрын
Have you considered infra red panels?
@malcolm8564
25 күн бұрын
You obviously need to insulate the solid walls.
@gasdive
25 күн бұрын
That's complete codswallop. Put in one or two split air to air units, one in each room you want to heat. Just needs a hole in the wall, an electrical connection run outside and a bracket screwed to the wall. Vastly more efficient too because you're only pumping the heat up a few degrees not up 35 or more into a tank. You should get a good size one (7kW cooling, 8kW heating) installed for 1500 quid (or they're ripping you off).
They sure as hell aren’t quoting £500!!!
@logicalChimp
21 күн бұрын
They were for me (well, quoted 1k, prior to the gov. increasing the grant), excluding 2x costs: Increasing my loft insulation in order to qualify for the gov. grant, and prepping the area (currently a bramble-patch) where the pump would be placed.
@shmavitz
17 күн бұрын
@@logicalChimp lucky you! I've just been quoted £7500, and that's after the grant...true cost was £15k. What a joke, I'll be keeping my gas boiler for now.
@nickthegriffin
16 күн бұрын
@@shmavitzwise choice
Octopus is a breath of fresh air in the UK energy market. Putting all other companies to shame really.
@toyotaprius79
25 күн бұрын
Either octopus or nationalisation
@t1n4444
25 күн бұрын
😂😂😂 I take it you're an Octopus "influencer", then. Do try not to be quite so obvious.
@DuarteMolha
25 күн бұрын
@@t1n4444 nope. Just like what the company has been doing to shake up the uk energy market and bring about renewable energy solutions
@Soulrollsdeep
21 күн бұрын
@@toyotaprius79 Would rather stab my own eyes out with my own frozen excrement than give nationalisation even a sniff of a chance. You think the fucking government can innovate like Octopus and others are? Especially a Labour one?! 🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣
@jonb5493
19 күн бұрын
They are pretty good + seem to be pushing the envelope. My only problem with them was that until recently their pre-sales "attitude" was discouraging, like, we don't want your biz and we don't want to know anything about you, please go away and stay with your current supplier. They have very recently improved, however.
Where I live it snows... how does that fan handle a 20-30 cm snow coverage? Does it need an extra roof built over it?
Neither the presenter nor the octopus representative seemed familiar with the second law of thermodynamics, which dictates that the higher the output temperature ( for a given source temp) the lower a heat pumps efficiency.
@gasdive
25 күн бұрын
It seems like no one in the UK understands that it takes more energy to pump heat to 50C than it does to pump it to room temperature.
@EugeneLambert
24 күн бұрын
I'm sure they are well aware. However most UK housing stock is poorly insulated, so high temp (and thus slightly less efficient) ASHPs offer a potentially easier swap for an existing gas boiler. Ideally, we'd massively overhaul all UK housing insulation and airtightness and then install lower temp, more efficient ASHPs, but in the meanwhile ... Also, and I'm no ASHP expert, maybe their ASHP using R290 can provide higher temps at higher COPs?
@gasdive
24 күн бұрын
@@EugeneLambert no. Air to air pumps from outside to room temperature. Air to boiler pumps from outside to boiler temperature. Even a "low temperature" boiler is always hotter than room temperature.
@gasdive
24 күн бұрын
If people understood that simple, and to me, obvious, fact then people would *laugh at them* when they tried to sell such a ridiculous thing. Just put in a split system that's 1/10 the cost and much more efficient. This air to boiler is a con job. It barely works but costs thousands and can milk subsidies.
@gasdive
24 күн бұрын
The actual cop is the hot side temperature in Kelvin divided by the difference between the hot and cold sides. Real machines are about 40% efficient. So to pump from outside at 15 to inside at 18 runs around 38 cop. To pump from 15 to 45 (a low temperature boiler) gets you a cop of about 4.
I’m an Octopus customer and a big fan. However when I enquired about the Cosy 6 the issues were firstly that you need to have a massive hot water tank fitted (I think 1m x 1m x 1.8m which won’t fit in the location of my existing hot water tank or boiler and will be too large for loft installation as well. The Cosy 6 is apparently only suitable for a 3 bed semi and a larger version hasn’t been launched yet. I was quoted £5000 even allowing for the government grant and nearly all the existing Octopus installs are for regular heat pumps so far not the Cosy 6. So I’m a little disappointed but hopeful that the product will be further developed, refined, reduced in cost and proven whilst the government grant is still available.
@davedevonlad7402
26 күн бұрын
You can get a slimline tank from octopus as that's what I am getting, as for the manufacturers details and you can get all the tank specs you need from octopus.
@markbennett6658
25 күн бұрын
@@davedevonlad7402 I know there’s a slimline one but it’s not that slim and is 2m tall, so still not that easy an install. Octopus told me they’ve actually only fitted a handful of actual Cosy 6 heat pumps for beta testers and it’s the new tech in those that interest me. Not a lot has been said about them publicly since the launch last September and their representative talking to Imogen was guarded and only really confirmed that they are intent on training a load of new installers. So early days for me still!
@t1n4444
25 күн бұрын
Hmm ... does that install include the acrows to keep the ceilings where the architect decided they should be?
@damon2
25 күн бұрын
I was quoted £4300 pounds from Octopus before my survey, and then after a second survey, they decided it would not fit
@davedevonlad7402
25 күн бұрын
@@damon2 What was needed to be done and how big is your property as my 3 bed town house is only £550 for a ASHP "dakin" a new 180l tank and two new radiators. £4300 sounds a lot to me for a standard fit.
Be interested to see a breakdown of their £500 cost. Maybe make up a well insulated house etc to see if you can get a quote.
Pity they don't have an 1870's to 1900's terrace for testing. I am always put off when somebody says that they are "turbocharging" their offering. It just makes me think that it's all vacuous claims. Must be the tory government association ...
@rogerphelps9939
26 күн бұрын
Offer your house to them as a testbed for a Victorian terraced house installation. All costed but free to you of course.
It’d be fairer if they stated that their install costs that little after considering the BUS grant. Otherwise folks might think that Octopus have found the holy grail everyone has been looking for. Except, they haven’t.
Small poit - there are a lot of people who are on oil not gas boilers. Octopus would not fit an ASHP at our cottage despite a decent heat loss survey - it was the lack of willingness to install the hot water tank in our garage that saw the project fail and the government grant being taken away from us !! So for me Octopus need to be more flexible on the installs also look for a ASHP with built in hot water - similar to my outside oil boiler
@gasdive
25 күн бұрын
Just get an air to air installed for a grand that most of the time would be 10 times more efficient than an air to water because it's only pumping the heat up a few degrees, not 35 or more.
Nice to see this as many must be thinking of their heating next year!! Does it heat the water as well?? What is the decibel noise??
Unfortunately not in my area yet. I was surprised as I live in Birmingham I would have thought big cities would be prioritised.
Difficult to believe but propane has a very low global warming potential (GWP) of 0.02 which is surprising because it's a molecule with many modes of resonance, and would presumably break down into CO₂ and methane by UV radiation. Still, IPCC 6 report says it is very low, so I'll go with it. Heat pumps should be cheap - they are just bidirectional fridges, consisting of a motor, compressor, valve, some tubes and one or two fans, all of which are massively mass produced!
@logicalChimp
21 күн бұрын
Fridges don't live outdoors. The exterior unit has to e.g. ensure that it doesn't ice itself up on the cold-side when temps are -20, that it doesn't overheat when temps are 35+ (it still needs to run to provide hot water, even if it's not needed for heating the house), and nor do fridges need to run the coolant lines from the compressor to a separate tank to 'store' the heat.... oh - and the space being managed in a fridge is rather smaller than the size of your house :p
@jonb5493
19 күн бұрын
@@logicalChimp Your points are understood but I'm still disappointed with the hardware pricing. Of course I am emphatically not surprised by the installation costs - it's difficult and there are many horror stories of incompetence.
Does this unit work with a single zone inside the house - or more than one zone? The fan seems smaller than "typical" heat pump. They mention radiators - are there compressors inside the house - or is this a heating system only?
Doesn't the chances of snow or stuff gathering on the fan in this design more? I know the fan might be running but still though? Normal design seems easier for maintenance of fans
@keithbrown339
26 күн бұрын
There must be a reason for it. Surely . Maybe to help with the defrost cycle or prevent defrost completely.
@tonydaddario4706
26 күн бұрын
It doesn't really snow in the UK anymore but it looks like you maybe able to use it as a snow machine. Hurrah !!
@hometechUK
26 күн бұрын
I agree I love the design but it is design over practicality not just snow but really heavy rain or hail can get into that farm. Much easier than most designs?
@stratosphericozone2645
25 күн бұрын
Could it be a safety measure? By blowing more upwards it can then be located closer to a footpath where it unlike a regular heat pump wouldn’t cause a lower temperature and increase risk of ice and a slip hazard.
Not sure about the sloping angle - it looks like it would encourage rain to get in. Would like to see a Heat Geek review of this heat pump, and high temperature concept.
Does this mark the end the fabric first mantra?
I'm all for a heat pump, been banging the drum with my family for over a year now thanks to Heat Geek and this channel. There may be a big problem incoming btw with smart metres, mines never worked because my flat has no mobile signal. All smart metres in the UK use 3G and that is being decommissioned by the gov/network providers soon. Won't that render all smart metres in the UK no longer smart when that happens? Maybe they should work by syncing to your phone/app instead. EDF are aware my smart metre doesn't work, a bloke comes out and all he can do it turn it off and on again and still no signal, he reports back to EDF and.. nothing. is it my job to chase them about this? nope.
Really interested in the Cosy 6. It seems to have been delayed since the announcement last Autumn but hopefully with videos like this popping up it'll soon be available.
Ahh, that's more what I'm looking for! Of course without vendor lock in, as I'm not in the UK and don't want to be stuck with one provider. Reasonable price, nice design (I agree, that's more like the thing I'd like to be outside my house) and higher temperature. Even though 35 degrees should work in my 1920's house, higher would help. I have about 6-7 years left on my gas heater, so this looks good! But the new salt heat storage is also really interesting. To be able to store heat in the summer to use through the colder periods would be fantastic.
issues with siting pumps needs to be addressed. The huge numbers of Victorian terraces in the UK massively impacts this. Not to mention the cost of integrating into existing. Fine if you’re replacing your whole system, but once you add in moving the water tank, replacement radiators stc etc 5he cost is too high.
@logicalChimp
21 күн бұрын
Those 'integration' costs were included in the quote I got from Octopus (inc. 4x replacement radiators, 1x additional radiator, new water tank, and some new plumbing to integrate everything to the existing plumbing). That said, I agree siting issues for terraced homes is an issue (my planning permission was refused because the outdoor unit would end up too close to the neighbour :/)
I think a more important issue than heat pump cost is the cost of the insulation that we all know we need before installing a heat pump.
@gasdive
25 күн бұрын
You don't need to insulate any more than any other heating system. They're cheaper to run. Assuming you don't buy this one which heats hot water to a high temperature, and you get an air to air one which only needs to pump up to room temperature, making it 3-10 times more efficient.
Strange angle to have the fan instead of vertical. Hope they've got some good bearings in them! 🧐
@peterjones6322
24 күн бұрын
Millions of units in the USA have square units with a vertical fan. Our house in the USA had one like that in the 1980s.
@Etacovda63
23 күн бұрын
@@peterjones6322 an angle is not vertical.
@koitorob
22 күн бұрын
@@Etacovda63 What do you think 90 degrees is?
@Etacovda63
21 күн бұрын
@@koitorob if someone says to you 'at an angle' do you think 0 or 90 degrees? If you do, you're weird. I mean, the post I was replying to literally was questioning the that said "Strange angle to have the fan instead of vertical".
Thanks
So very refreshing to see the facts and positives being put out there by a trusted source and from a trusted supplier - the country's leading supplier. It will be lovely when the Cosy6 can be produced in a smaller size. I need a 2.8kw heat pump to balance heat loss. Having said that, my air-to-air heat pumps work really well in winter but don't do hot water. There is a Multi + system from Daikin coming soon that does air heating and hot water! Maybe Octopus can consider that as a small cylinder goes with it. All said and done, they are far far cheaper to run than my gas boiler.
@tarant315
26 күн бұрын
there are hotwater cylinders powered with a heatpump for just over a grand. If it takes the indoor air to convert to hot water then you add ~200 watt to you heat loss
@markwatson2967
25 күн бұрын
@@tarant315 Yes, thanks, seen all those. Due to size constraints, I can't have the new Mixergy two-part cylinder, without structural work. However, the Multi+, assuming it arrives as promised this year after certification of its specific cylinder, may be possible due to far smaller size.
Won't a fan on a non vertical axis, cause wear and start to make a noise after a while ?
I'm proud to be a customer of Octopus Energy, such an innovative and ambitious company which is pushing to make sustainability more affordable.
@crackjoker-yb8jp
26 күн бұрын
I was a customer but their customer service was non-existent. Went over to OVO energy and their customer service is excellent.
@JohnR31415
26 күн бұрын
@@crackjoker-yb8jp really? The company that charged a friend for gas whilst insisting they didn’t have a meter?
@damon2
26 күн бұрын
I must admit my praise of Octopus is wearing a bit thin after my heat pump survey first appointment they didn't turn up and then when they decided I couldn't have one they lost my £500 deposit
@tjwtf28
26 күн бұрын
the fact this heat pump is designed to work intergrally with their app means they're just trying to lock you in with them. This is anti consumer
@Scott-cm8sv
25 күн бұрын
@@damon2 The deposit is fully refundable, chase them!
Nice idea but a commercially integrated solution will always prioritise profitability of the provider over cost reduction for the consumer. What currently provides a clear customer benefit will ultimately transpire to be a captive system. Only divorcing energy service & energy product providers will ensure consumer interest.
6-8 months to get an installation date currently and that was not the Cosy 6. So do I keep delaying my install or just accept a Daikin? Decisions.
Interesting, but my quote was £5,500 after the discount for an average semi detatched house, not £500! Also put off by the fact they want full payment upfront immediately before survey etc. FYI the pebble shaped high temp unit is not available yet. it's just in testing. I like the looks of it, so will hold off for now.
I myself fitted an air to air Mitsi elec heat pump in 2000, to keep the top floor warm. When we moved in there were no wet system fitted. Just a gas fire down stairs and through the wall gas heater. That was first to go when we moved in 1997. That unit looks over kill for my place. I use electric to heat water and have fitted a far infra-red under floor heating Matt in the main living room. Good bye gas fire and gas hob this year. Looking to have the gas meter removed soon to stop the monthly standing charge. I have solar panels but need a good battery storage next
What does she mean with getting cold air in you garden? When in cooling mode it will blow hot air from the outside unit , right?
@Hyfly13
25 күн бұрын
There is no cooling mode
In the Netherlands, it is the other way around. We had insulation for the floor for around €2.000 and get €130 back from the Government. A fully electric heat pump for our house is around €11.000, we get €2.700 subsidized and have to pay €8.300. Thanks but no thanks. The Dutch government could learn a thing or two from the UK.
Only £500 if you have a gas boiler, but if you are building a new house there is no government support to install a heat pump
@lumbarsupport
11 күн бұрын
but, importantly, a self build is eligible for a BUS grant
Is there an option to replace hydronic heating boiler, and instant hot water boiler with one heat pump? Should this be two or one unit? We live in Australia and it seems our option are limited here… I’ve go no idea where to start.
Biggest concern I have over heat pump is where to put it (on our 1930s semi) also where to put any hot water tank. I'd also be very cautious about buying a heating system that's locked in to my energy supplier's systems especially via an app. What happens when I want to switch suppliers? What happens if I lose my phone or internet connection? A physical control panel is essential.
I've long wondered why more heat pumps weren't paint black for that little bit of solar boost from absorbing the sunshine better. Better still perhaps combine one with a Trombe wall type arrangement.
I've never heard of using propane refrigerant except for 3 way fridges in campervans, how long will it last. I've had a high temperature refrigerant before CO2 in a Sanden hot water heat pump, heated water twice as quick as other types, awesome unit.
@2:51 On a hot day, running AC inside the house, that fan will blast you with HOT air. You won't like the air coming off of that in any season. It's the opposite of what you're conditioning for in the home.
@andrewcunningham1
22 күн бұрын
This is not an AC unit.
@karlInSanDiego
22 күн бұрын
@@andrewcunningham1 Thanks. In other parts of the world heat pumps are two way devices that can heat and cool as they have a condensor/evaportator inside and exchange heat with the home's interior. I forgot Britain is saddled with boiler/radiator heating which means this can't provide home cooling.
@andrewcunningham1
20 күн бұрын
@@karlInSanDiego Hi Karl. Actually all UK heat pumps are reversible...they have to be to defrost the system in winter. But generally we don't use them to cool in the summer...yet.Some are experimenting with a bit of gentle cooling that just avoids the dew point.
Great Video
R290 are in many Swedish heat pumps for 20 years plus. Nothing new there. Great to see alternative designs too.
One of these days I'd love to see one of these companies figure out that a "boost mode" or some other type of rapid temperature change mode would be a major selling point feature for a lot of people. Sure, you might drop down to only 2 times more efficient, or even on parody with a gas boiler or traditional air conditioner temporarily, but a way to heat or cool a space rapidly, then switching back to normal operation, would get a lot more people interested in moving to heat pumps. I know that if for some reason my home dropped in temperature over a long period of time, say for a power outage, then took a long time to heat back up in the name of efficiency, all those energy savings would go right in the bin since I'd have to use space heaters or a traditional furnace to get the house back up to temperature.
@simonclark4319
26 күн бұрын
My Daikin high temp heat pump can easily get a flow temp of 55 Celcius. If I wanted to it would be easy to set it to that and warm the rooms of my old house pretty quickly.
@hellcat1988
26 күн бұрын
@@simonclark4319 Ok, but does the system know to increase the airflow throughout the house in conjunction with that increase, and to do it automatically, and then to return it to a normal operation mode, also automatically? That's what I'm getting at. Sure, you can go to your various controls and set everything to high, but I'm talking about a simple, one point, automated setting in the system. Something like "return from vacation" mode or "recover from power loss" mode that will quickly and automatically return the house to the temperature you normally desire, then switch back to normal operation without any further input on your end. I know it sounds simple enough to do it yourself, and most people who are already on the eco-bandwagon are going to do things like that already, but for the larger portion of the population, it's a deal breaker. Most people either don't know, or don't feel encouraged to do that sort of management themselves (think those rich snobs who complain if their neighbors gardener skips a week) and will want a system that will do everything for them. They won't upgrade to a heat pump if they have to do more than use a home ai assistant or a single button interface to do it.
@rogerphelps9939
26 күн бұрын
That is how my Ecoforest ground source heat pump works. It takes a short break from space heating, bridged by the buffer tank, and then produces 60 deg plus hot water.
Unfortunately at the moment Octopus are not installing their cosy 6. We’ve just had them install a heatpump for us and it was a Daikin heatpump, having said that it’s working really well.
Interesting - although my home is very much not in that 80% that are the target for easy pickings. 1937 build originally designed for fireplace heating throughout, it'll be pretty much last on anyone's target list for meeting quotas cost-effectively - if at all. Currently on Combi gas, and minded to go air-to-air (not least to lose those wall-space-consuming radiators).
I do like Octopus Energy! I am not (yet) a customer but everything seems to point to them being the best in the UK ... This Cosy 6 is very intriguing
In the last 5 years in the UK it seems that the housing stock has become suitable for heat pumps even though there has not been a country wide scheme for improving insulation in housing. I don't think heat pump technology has improved to overcome poor quality insulation in housing. If I'm wrong please enlighten me. I'd love to have a heat pump.
I'm with Octopus, I'm Octopus Go at the moment, with a 14.4Kwh PHEV car, as well as the GivEnergy All in One 13.5Kw home battery, I have the IBoost+ to heat my water tank & 4Kw solar panels & triple glazed thru-out. I asked for a quote from Octopus, within a day I one for £4500. No one visited to see what's best, where to place the pump or see if I needed any further additional insulation. I'd much rather see a person, with advice or even three quotes following the heat geeks information. Octopus still needs to work on the personal touch & not the hard sell, where we all seek compensation in ten years time?
Our heat pump is currently killing us, and the main issue is that the consumers are left on their own after installation to find out the best way to run it.
Hi Imogen, a great episode. I would love to have a heat pump but i live in a flat. No outside space, on internal space for a hot water tank. I am an Octopus customer and i do find them a good suppler.
In a small 3 bed property, I don't really have room for a massive heat pump in my tiny garden, I would hope I'm not the only person that wants a heat pump, but only if it takes up less space, say like the space my gas boiler takes up in my kitchen?
@gasdive
25 күн бұрын
Air to air mini split.
Would love one of these but we have a fairly typical 90s detached (A rated EPC) and it seems it would involve re-install tank, replace all radiators and most problematic, rip out the microbore pipes downstairs.
@OracleTruthSeer
26 күн бұрын
Its High Temp so you shouldn't need more radiators or ripping out micro bore. That's the point. It generates temps around 60 degrees C like most boilers are set to.
@richardeskins
26 күн бұрын
@@OracleTruthSeer Thanks, for this. Looks like I need to follow this up with them at some point.
@rogerphelps9939
26 күн бұрын
Wrong. I have a mostly microbore system and it works fine with my heat pump. I had o replace the radiators which were a motly bunch of outmoded things anyway. In general the wall area did not increase much and the main differences were two panels instead of one and convectors (the corrugated metal) on the back.) I really do not know how this idea that heat pumps do not work with microbore came from. It's just not true.
@gasdive
25 күн бұрын
Or just install an air to air at a tenth the cost and up to ten times the efficiency and just leave the radiators and whatnot ignored.
@richardeskins
25 күн бұрын
@@rogerphelps9939 we had a Heat Geek assessment and this was the recommendation. Not in a rush so will see how this develops with @OctopusEnergy.
Are there any heat-pumps that use air-to-air rather than air-to-water (Americans call this a 'mini-split')? I'd like to be able to cool as well as heat.
@benwouda
26 күн бұрын
They are already dirt cheap and old technology, so not much innovation is to be expected.....
@brianballard905
26 күн бұрын
In the UK, air to air systems don't qualify for the subsidy.
@James_Ryan
26 күн бұрын
@@brianballard905 Interesting, cheers for that.
@dirvine5341
26 күн бұрын
Air to air has more refrigerant. You don't want to be pumping propane around the place. Better its sealed outside within the heat pump
@tarant315
25 күн бұрын
@@dirvine5341 I thought it was only about 250gram (if R290 is used) and should be no problem in rooms above 9sqm
1st heard of cosy six last year. We need a combi boiler solution for a large old four bed house so this probably isn't for us. Octopus are our supplier though and are very good.
@rogerphelps9939
26 күн бұрын
Get a bigger heatt pump that uses R290. No need for gas.
@Everything Electric Show Wonder how things stack up for typically old stock rural houses on oil heating (usually combi these days)? Consistently overlooked, but significant in numbers.
@gasdive
25 күн бұрын
Air to air. Much more efficient, no changes to the fabric of the building apart from one hole in the wall and an outdoor electrical supply. Plus you get cooling
Can we see the inside unit too? Does it need a cylinder?
@carlarrowsmith
26 күн бұрын
There is no inside unit, it does require a cylinder.
Well I just filled out the instant quote and it says I'm currently not eligible for a heat pump even though I'm in a well-insulated detached house, have sufficient space, etc. 🤷🏼♂️ Just changed option to I'm not renovating my home and now it says I'm eligible (surely they'd prefer to install in a house being renovated). Quote was just under £4769 after grant. Not sure why.
26 күн бұрын
Greed.
@nssimpson
26 күн бұрын
@ their literature says this 6kW heat pump is only suitable for an average size 3 bed house. Larger models coming later in the year. Interestingly, I imported a 24kW swimming pool heat pump direct from a factory in China and it cost me around £1k plus several hundred quid for shipping. There are huge markups on these things.
@gasdive
25 күн бұрын
Get an air to air split 8 kW system with cooling as well installed for under 2 grand. Plus vastly more efficient because it's only pumping up to room temperature
Looks like it will sit well amongst the bins
I've have an imersion heater water cylinder and portable electric heaters. Suits me fine, and very cheap as I only heat where I want and use less than a tank of hot water daily. Bills are way lower than my neighbours
I’m no expert on anything to do with heat pumps, but will rain falling down into the angled up fan cause any issues? Obviously they’ve taken that into account but I’m interested in why they chose to design it this way and why it works.
"So many houses are ready for heat pumps to be fitted"... including the hundreds of new build houses being built with gas boilers in my local area. 🏘️🤔
I renovated my house about 4 years ago, and tho I've been a super-fan of Fully Charged, EV's, better tech for the environment etc, for several years already, I plumped for replacing the horrendous old 50's gas boiler with a shiny new boiler and big water tank setup.. For me at the time, the economics, and the relative infancy, guinepig state of heat pumps, won out in my decision, mostly money tho of course, we didn't have the budget to fit unrderfloor heating (at the time the ideal for a heat pump system) and my crystal ball didn't see Russia/Unkraine and gas-price rises coming. This "hight temperature" version sounds like a good replacement for the gas boiler component, BUT what would become of my (yes 'bad' gas-burning) but virtually brand new (very good for what it is) boiler? Just thrown in the trash, or would it be re-purposed/recycled? Keen to invite comment/discussion here, but please be kind if you think I made a bad choice 🙂
@lynnfisher4396
18 күн бұрын
We were in the exact same position as you four years ago and we did almost the identical thing, we replaced a combi with another combi ie no water tank for us. The main reason at the time for not getting a heat pump was that we could get no quotes from any one we felt comfortable with. Having been early adopters of pv, batteries and EV we often found ourselves knowing more than whoever came trying to sell whatever we were interested at the time. The same with heat pumps. Four years later it appears that there is more professional knowledge out there but videos like this one from a major company don’t help. We would like to exchange our combi next time for a heat pump but having spent the money we are now in no hurry, we will let others do the experimentation. There is a time for pragmatism over idealism and for us this is one.
@brucekennedy5274
18 күн бұрын
@@lynnfisher4396 Thanks yes, similar situation indeed. Same with EV's - back in the day, I'd go into a dealership sometimes, and tell them all the stuff they didn't know about their own cars (I'm sure they loved that!) Like you, I'm in a wait and see position with my heating now. Good intentions, bad timing basically. Unless I discover a Govt incentive for a "free swap", and a promise my 'new' gas boiler is put to some good use in a second life, not thrown in the ground, its staying for a good many years now I expect. I can certainly see a heat pump in the distant future, but for now I'll have to be at peace with what we have.
Love the integration and hopefully we get it here in Slovenia 😊❤😊
If I understand the requirements correctly to replace our combi boiler we would need to also install a cylinder, upgrade insulation, pipes and radiators. So far from the £500 quoted. Much as i'd love to get one, I just can't see how given we have a 1930's solid brick building.
@julianshepherd2038
26 күн бұрын
Just work on insulation. Little bit more each year.
@edc1569
26 күн бұрын
Can be £500 for some homes, you get the 7k grant to pay for those upgrades.
@ramblerandy2397
26 күн бұрын
If you are truly serious about wanting to change to a heat pump and system, don't rely on a vague understanding. Do the research. As one has already said here, there is a sizeable grant available, and insulating a home is not costly - typically £600. I think it was Martin Lewis, just in January, who said that it would be cheaper for the government and the taxpayer to allow for UK homes to be insulated for free. Which would be a one-off cost. As opposed to backing up the high cost of bills with rebates. But, no they didn't do that. Because that would hit the oil/gas companies.
@gavjlewis
26 күн бұрын
@@ramblerandy2397Who is insulating 9" brickwork houses for £600? Unless you live in a narrow terraced house I'm not sure you could do it DIY for £600 nevermind getting a company to do it.
@ramblerandy2397
25 күн бұрын
@@gavjlewis That figure is from Octopus Energy
At 2:55, presenter describes getting a blast of cold air while standing in the garden on a hot day. On a hot day, heat pumps work by pumping undesired heat out of the house. The outdoors fan is blasting heated air on a hot day and cooled air on cold days (pumping the unpleasantness outside). The boxy outdoors units have a larger radiator area to transfer the unpleasantness outdoors, and are thus more efficient.
Doesn't matter how cheap the unit is, the fundamental problem is the high cost of electricity relative to gas. My electricity is a bit over 24p/kWh while gas is 5.5p/kWh. Even assuming a best-case CoP of 4 (more like 3 in the depths of winter), the heat pump is going to cost more to run. If electricity came down to something like 10p/kWh (like it used to be not that long ago) it would be a no-brainer.
@BenIsInSweden
25 күн бұрын
OVO have a heat pump tariff that is 15p/kWh for the heat pump usage. Also, you need to adjust your gas rate as that is based on gas usage not heat output. With gas boilers in the UK achieving an average of 83% in the UK (yes badges say higher, but are rarely met), you are paying 6.6p/kWh per kWh of heat.
@gasdive
25 күн бұрын
Air to air units get vastly higher cop because they're not pushing the heat up to 50 degrees, just up to room temperature. They're also a 10th of the cost
@ricequackers
25 күн бұрын
@@BenIsInSweden Even then, the benefits are marginal and it'll take a very long time to recoup the investment vs an existing boiler. I sat down and researched this for months, really wanted a heat pump but unlike solar panels the numbers just don't add up yet.
@ricequackers
25 күн бұрын
@@gasdive Air to air is an expensive non-starter in most homes unless you're building a new house or completely renovating from brick. You'll have to rip out the radiators and build in ducting. And the government unfortunately won't give you a penny. Would absolutely be the way to go for a new Passivhaus though, especially as part of the MVHR system.
@BenIsInSweden
25 күн бұрын
@@ricequackers replacing an existing working boiler should really only be considered if wanting to take the grant and/or saving on CO2. There are numerous things with the gas and electricity prices currently that do put it on gas's favour due to outdated policies. But they will need to change if the government want to start seeing a rapid adoption of heat pumps. The issue is flipping a switch to update and correct it will leave many in fuel poverty, which won't go down well. So it's likely it's going to be done over a longer period of time.
I wonder if the Cosy will come to Octopus Energy NZ? We have a gas ducted central heating system, but to switch out to electric costs tens of thousands of dollars and lots of disruption switching out the ducting because it's not suitable for the heat pumps currently sold here. Unfortunately absolutely no subsidies here in NZ, so I wonder what the full cost of the Cosy is?
I am really puzzled by this having had a quote from Octopus of about £6k last year, which included the grant. Is this new heatump £5k cheaper than they were last year? This video really looked more like an advertorial than a useful guide.
After 1 year, 2 engineer visits and countless telephone calls, Octopus has failed to install a smart meter so I shan't get too excited about this.
Was so happy to get rid of the tank in our home when we bought it and upgraded to a combi, not convinced this is for me as I now don’t have the space for a tank
As a SW developer I find "mostly female lead firmware team" a very weird thing to try to score "social justice" points on. Women in managerial positions have been a normal thing for a long time and it's not like they had mostly female firmware team... Don't get me wrong, I am for the freedom of choice of occupation, equal pay for the same work regardless of sex, race, religion age etc. and for fair pay for the value that the work creates (e.g. education and healthcare jobs often struggle with this). The fact that vast majority of engineers are male is not because engineering is hostile to women, but because most women are more interested in doing other things and it's the very same reason why you don't see many male nurses... I've admired Octopus Energy for quite some time now for what they're doing and been envious that we have nothing even remotely like it here in the Eastern half of Central Europe, but this is a small red flag for many people now... Why does almost every company (and political party) that works to protect the environment and fight the climate change also have to preach the "social justice" BS?
@AdrianNelson1507
22 күн бұрын
Yes the #girlboss bit didn't go unnoticed.
@gargar3
22 күн бұрын
Why oh why indeed. This is a technical solution attempt to a climate change issue, not a platform for woke promotion. I would be more interetsed if my 80 year old sister who lives alone in a bungalow could afford to install and run a system copmpared to her combi gas boiler, what's that got to do with a female firmware team ???
Any idea when the Cosy is going to be released? Specifically the Cosy 7 for me.
@TheBoothy666
26 күн бұрын
As far as I know the '6' refers to the power output, as in 6kW, I doubt they'll do a Cosy 7 as it would be too close in power to the 6, so not worth the effort. More likely they'll do a Cosy 10 or maybe 12 as the next model.
Shame I don't have central heating so no good to me. I'm on Octopus as well lol
@rogerphelps9939
26 күн бұрын
Radiators are he cheapest bit of an installation.
Why would it be running and giving you cool air outside on a hot day?
@OracleTruthSeer
26 күн бұрын
Because you'd still want hot water?
@revengefrommars
26 күн бұрын
I'm thinking she doesn't understand how a heat pump works.
@rogerphelps9939
26 күн бұрын
Heaing water.
@samjordan3029
26 күн бұрын
It extracts out the cool air when its running to create heat (opposite of fridge)
@TheBoothy666
26 күн бұрын
This isn't an AC unit pumping heat outside (although the tech is basically the same). These heat pumps are only for heating water inside (either hot water or radiators), you don't need radiators in summer, but as above point out, people still need their hot water, so when running, it will still push out colder air outside, as it's extracting the heat from the outside air, to heat up the water, in the water tank inside the house, so you'd still get a cold breeze outside, even in summer.
A higher temperature might mean the rollout is easier with less radiator upgrades required. Locks in lower performance and higher bills though. Not much scrutiny on this FC team. It's pragmatic approach and the problem is the high gas to electricity price ratio , and if that's reduced maybe it's fine. Lower temperature is better for energy efficiency though. You should be politely asking them about that.
@rogerphelps9939
26 күн бұрын
It is scandalous that electricity costs so much more than gas. Although nuclear electricity is more expensive than that from gas, electricity from renewables is much cheaper. A combined cycle gas turbing generator may have an efficiency better than 60% so a fair retail price for electricity from gas should be no more than about 2.5 times that of gas heating. Unfortunately government is too pally with fossil fuel suppliers so the electricity retail price is fiddled to be four times thatt of gas making it difficult to justify a heat pump on grounds of cost alone. Heat pumps should be subsidised more because every kwh of heat from a heat pump causes less than half the emissions of CO2 than burning gas directly and even less when renewables and nuclear are taken into account.
@gasdive
25 күн бұрын
Yep. Could install an air to air for a tenth of the cost that's several times more efficient.
I've not heard of high temperature heat pumps before. They sound just great for installers seeking to cut upfront costs to speed up the job. They might also help some customers to avoid replacing radiators or pipework etc. However, I think there is a risk they'll be used to cut corners i.e. deliver less performance and therefore higher long term energy costs. This government scheme is a mess. I remain concerned about the quality/experience of the installers and how systems will be maintained. I'll be sticking with a gas boiler until the market in the UK is more mature and there is less confusion.
Its not going to be cold air blowing out of that fan on a hot day unless you have the heatpump set to heat the house!
@mralistair737
25 күн бұрын
or the hot water.
I'd love to get the latest heating tech, but I have the problem of having a house with a suspended wooden floor, with air vents in the foundation walls, through which a howling gale blows at times which sucks all the heat out. Have added as much insulation as I can, but haven’t heard anyone speak of how to work around a house built like this. My understanding is a heat pump would be inadequate for my situation. Would love a solution.
@rogerphelps9939
26 күн бұрын
Insulation fixed to the underside of the wooden floor. With suspended concrete floors the pipes are run over the concrete blockwork and then covered with a screed.
@LaReynedEpee
26 күн бұрын
@@rogerphelps9939 I've done that. Makes very little difference.
@mralistair737
25 күн бұрын
you'd have to insultate between the joists of the floors. or alternatively turn the whole thing into an insulated concrete floor. If you have a gale going through the underfloor you should look at that, it really only needs a tiny bit of cross ventilation to stop damp accumulating. even un0-inslated, modern pipe lagging and inslation is way better than it used to be.
@LaReynedEpee
25 күн бұрын
@@mralistair737 It's insulated between the joists, but the house is built with lime mortar and already has issues thanks to cement mortar being used. I've watched eco renovators use Leca plus limecrete to insulate floors, but don't know if that's a route worth taking. Any solution is likely to be very expensive.
@mralistair737
25 күн бұрын
@@LaReynedEpee making a concrete floor wouldn't be the same as using cement mortar, different problems. for a start concrete floors would be kept off brick walls with a piece of insulation / foam or similar. Insulating floors is always very disruptive as you have to lift everything
The price has gone up a little then, it was “From £0” when it was announced last year. Not exactly news now, most other energy companies are doing £500 heat pumps (after the grant) - alright, “from £500” assuming no other work is required.
I'd love a heat pump to supply air heat and hot water but unfortunately I don't think I can have it in a first floor flat!
@philreilly6959
26 күн бұрын
There is a Heat Pump that can be installed in flats. I can't remember who makes it, but I think they call it a shoebox heat pump!