Water Treatment Experience Matters
Depend on Certified Water Specialists who Guarantee Results
When it comes to water treatment companies in New Hampshire water treatment experience matters, and Secondwind Water Systems unquestionably stands out from the competition. With our unwavering commitment to excellence, cutting-edge technology, and team of certified highly skilled professionals, Secondwind has established itself as a trusted leader in the water treatment industry.

Exclusive authorized dealer relationship with Kinetico.
- We are the exclusive authorized dealer for Kinetico water treatment products in New Hampshire. Kinetico is a leading manufacturer of water treatment systems, known for their quality, reliability, and offering the world’s most efficient water softeners. This partnership ensures that only Secondwind can offer their customers the best water treatment solutions available.
Double warranty
- We offer a unique double warranty on our products. This means that not only is the product itself covered by a manufacturer’s warranty, but also our own lifetime relationship promise. This gives customers peace of mind knowing that their system is fully covered. We deliver what we promised, or your money back. Your Water Quality Promise Delivered.
Certified water specialists & installers
- Secondwind Water Systems employs more certified water specialists and installers than all of NH combined. We have the knowledge and expertise to diagnose and address a wide range of water quality issues, from hard water to arsenic contamination. At the end of the day, water treatment involves chemistry, and ensuring you have someone who is trained to understand how iron and other water ingredients impact treatment can make a significant difference in your resulting water quality.
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Experience
- Secondwind Water Systems has been in business since 1989, making us one of the most experienced water treatment companies in New Hampshire. Over the years, we have built a reputation for quality, reliability, and expertise. With more than 45 employees dedicated to providing the best water treatment solutions in New Hampshire, we are committed to delivering the highest level of customer service, quality products, and solutions that work.
Range of services
- We offer a wide range of water treatment solutions, from whole-house filtration systems to reverse osmosis systems. We can design and install a system that meets each customer’s specific needs, taking into account the contaminants that are present in their water supply, completed with our Secondwind Signature Installation.
New Hampshire’s Department of Environmental Services has identified a variety of contaminants that can be found in drinking water, including iron, manganese, arsenic, PFAS, uranium, and more. These contaminants can have serious health implications and can also cause unpleasant tastes and odors in drinking water. Secondwind Water Systems has the expertise to address these issues and provide customers with clean, safe, and great-tasting water. For more information on Secondwind and our water treatment solutions, schedule your free water test or give us a call.
