About Therma-Stor Therma-Stor LLC, located in Madison, Wisconsin, was established in 1977 to apply advanced heat transfer technologies to residential and commercial markets. Beginning with heat recovery water heaters, Therma-Stor now also manufactures a line of residential dehumidifiers, which includes the Santa Fe series of free-standing dehumidifiers and the Ultra-Aire series of whole house ventilating dehumidifiers. Therma-Stor also offers HI-E Dry commercial dehumidifiers and the Phoenix line of restoration equipment for dehumidification, air scrubbing, water extraction, and evaporative drying. THERMA-STOR MISSION Therma-Stor is a team dedicated to creating and sustaining a competitive advantage via: LEADERSHIP in technology for high efficiency heat transfer, dehumidification, and restoration products. PASSION for providing the highest value to our customers, employees, and owner. COMMITMENT to success through honest, hard work.