De Anza Water ConditioningDe Anza Water Conditioning, Inc. is an authorized independent Kinetico dealer serving the Silicon Valley and Bay Area, offering residential and commercial water conditioning solutions. They install and service water softeners, whole-home filtration, reverse osmosis systems, PFAS filtration, and sulfur filters, and provide free home water testing. With 45+ years of experience and over 15,000 customers, they back their systems with a 90-day money-back guarantee and a 10-year parts warranty.