Diamond H2O provides water purification solutions to customers in the Fox Valley, Door County and North Central Wisconsin. From water conditioning and purification systems to water filtration systems, water softeners and water testing services, the Wisconsin water conditioning professionals at Diamond H2O can help you choose the water treatment system that's right for your home or business.

If you need help with your existing water treatment system, Diamond H2O service technicians are here for you. Our highly experienced service technicians are trained and certified to provide service, repair, and maintenance on all Diamond H2O systems as well as most major brands of water softeners, water purifiers, water filters, and drinking water systems.

• Home Water Softeners & Commercial Systems
• Residential Drinking Water Systems
• Home Water Filter Systems and Industrial Water Filtration
• Salt, Chemicals, & Supplies
• Water Treatment System Service & Repair