A Family of Brands

From residential to commercial dehumidification, restoration equipment, heat recovery water heaters, and accessories for all, Therma-Stor has you covered.

COVID-19 Resource Center

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Indoor Air Quality Resource Center

We’re here to help you open your doors again with confidence, from homes and schools to businesses and medical facilities. Our indoor air quality experts address FAQs and tips as you gain the confidence to open your doors again, whether it’s homes, businesses or medical facilities.

IAQ + You

Indoor Air Quality is Paramount: From protecting your family to ensuring healthy tenants and workers.

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Get the most out of our service and support staff by registering your dehumidifier today! It only takes a minute.

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Filters & Accessories

From MERV-13 filters to monitoring devices, find the Therma-Stor accessories you need.

News & Articles

Explore the latest advances in Therma-Stor’s indoor air quality and climate control products.


Therma-Stor Family of Brands

Therma-Stor LLC, located in Madison, Wisconsin, was established in 1977 to apply advanced heat transfer technologies to residential and commercial markets. Beginning with Therma-Stor 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 by Santa Fe series of whole house ventilating dehumidifiers. Therma-Stor also offers Quest Industrial Dehumidifiers and Phoenix Restoration Equipment for dehumidification, air scrubbing, water extraction, and evaporative drying.


A team dedicated to creating and sustaining a competitive advantage.

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