RAINSOFT Water Treament has enjoyed nearly constant expansion in its 51-year history. RAINSOFT provides clean, soft, luxurious great-tasting water to homes and businesses. With a lifetime warranty, one of the strongest in the industry, you know, like our one million plus clients, that you are in good hands. With Franchise-like programs and on-site support before, during and after opening, many dealers are now second-generation businesses with significant cash flow and both passive and active income.