Secondwind Water Systems, Inc. is proud to be NH's only Authorized Independent Kinetico Dealer offering the most effective, efficient water treatment systems ever made. At Secondwind, we believe that successful water treatment is not about the “equipment”, but is the result of intelligent site assessment, water analysis, listening to the customer and incorporating unique design principles to develop the optimum strategy for the customer. Specialized in treating New Hampshire water for iron, hardness manganese, PFAS, arsenic, radon and more. Treat your business’ water to ensure you protect expensive equipment and product quality. Treat your home’s water to ensure clean, safe, great tasting water. Call today for a free onsite evaluation and free onsite water testing from the certified water professionals. Quick quotes available. Better Water Starts Here.