RainSoft is a water treatment company that offers a range of products including water conditioning systems, drinking water systems, problem-solving filters, air purification systems, and laundry systems. They are affiliated with the Water Quality Association and the Better Business Bureau. RainSoft, in operation since 1953, focuses on producing high-quality water treatment equipment made in the USA and sold globally. The company emphasizes customer satisfaction and ensures their products meet rigorous standards through research, development, and third-party testing. They provide a variety of water treatment solutions for homes, apartments, factories, hotels, and hospitals, with a strong focus on superior product warranties and customer support.