Let Us Solve Your Water Problems
For over 85 years, we have designed and built high-quality water conditioning and filtration equipment for homes and businesses. We can make your water healthy, tasty and clean with our reliable products and fast service.
Water Softeners
Filters
Reverse Osmosis Systems
and more…
Appleton, WI Water Softeners, Filters, & RO Systems
Serving Customers in the Fox Valley For Over 85 Years!
Let Diamond H2O® be the solution to all your water challenges! We specialize in a wide range of water treatment solutions, including water softeners, filters, reverse osmosis systems, and much more.
Over the years, we have designed and built high-quality water conditioning and filtration equipment tailored to meet the specific needs of both residential and commercial clients.
Thanks to our reliable products and fast service, you can depend on Diamond H20® for water softening and other products and services that work!
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OUR MOST POPULAR PRODUCTS
Check out Diamond H20®’s most popular water softening, filtration, and reverse osmosis systems. All products shown here are fully tested and certified for your peace of mind. Have questions or ready to begin your installation? Please contact our team today!
Water Softening Services
Looking to have a water softener installed in your home or business? All of Diamond H20®‘s water softeners are certified with TG Analytical Labs to verify that each product’s performance exceeds both standards and your expectations.
Our residential and commercial water softeners include the Peacekeeper, Freedom, Patriot, Reliant, CR, TCR, and DP series. All features and manuals for each product series is available on our water softening pages.
Filters & Filtration Systems
Diamond H20® has been providing clients filters and filtration systems throughout the Fox Valley for decades. We have a filter or system available for any water setup you may have for purifying the water in your residential filter or commercial filter system.
All the water filter products listed here on the Diamond H20® website have been approved by TG Analytical Labs to ensure quality and trust.
Reverse Osmosis Systems
With a Diamond H20® reverse osmosis system, you will enjoy the benefits of improved water taste, greatly reduced contaminants, easy maintenance, and low overall cost. Our residential RO systems include our ClearFlo™ Element™ Series, Microline Reverse Osmosis System, and Diamond H20® ClearFlo™ Reverse Osmosis System.
For your commercial RO systems, we utilize a wide range of products, including the ClearFlo™ Free Standing Series, ClearFlo™ Hinged Wall-Mount Series, ClearFlo™ Element™ Series, Microline Reverse Osmosis System, and the DiamondH20® ClearFlo™ Reverse Osmosis System. Taste the difference with one of our RO systems!
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Why Diamond H20®?
At Diamond H2O®, we believe that quality and trust are the cornerstones of our business. As a longstanding member of esteemed organizations like the Association of Water Technologies, the International Carwash Association™, and the Water Quality® Association, we are committed to upholding the highest standards in the water treatment industry. Our team of experts specializes in a comprehensive range of services, including the installation, maintenance, and repair of water softeners, filters, reverse osmosis (RO) systems, DROP systems, LINQ systems, and both residential and commercial specialty systems.
In addition, we offer a wide array of water treatment equipment designed to address the unique needs of our customers. Whether you’re a homeowner seeking to improve your water quality or a business looking to optimize your operations, Diamond H2O® is your trusted partner in delivering reliable and effective water solutions.
Schedule Service
Need a water softener service in Appleton, WI, or the Fox Valley area? Diamond H2O proudly serves home and business owners, delivering top-tier water softener solutions tailored to your specific needs. Our experienced team is fully committed to providing prompt, reliable service. From installation to maintenance and repair, trust Diamond H2O to keep your water systems running smoothly and your water quality at its best.