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Note: If your question or comment pertains to a specific unit, please provide the model.

How may we help you?

The Therma-Stor team offers the resources you need to ensure 100% satisfaction with all of our products. Located at our headquarters and manufacturing facility in Madison, Wisconsin, we’re ready to help.

Pre-Purchase Questions and Locating a Distributor

If you need help locating a local distributor or have questions about Therma-Stor products or their applications, please call us.

800-533-7533

Mon–Fri, 8:00 am–5:00 pm CST

Service, Warranty & Product Support

Filters for Santa Fe and Quest dehumidifiers can be purchase from our filter store.

Returns for warranty claims will not be processed without a Return Authorization Number. An RA Number can be obtained by calling 1-800-533-7533 between the hours of 7:30 a.m. and 4:30 p.m. Central Time. Warranty information for specific products can be found under the “Service & Support” tab of this website.

Therma-Stor LLC

4201 Lien Road
Madison, WI 53704
800-533-7533

Warranty & Returns

ROG Department
Therma-Stor LLC
4201 Lien Road
Madison, WI 53704

Mailing & Shipping

Therma-Stor LLC
4201 Lien Road
Madison, WI 53704

Inbound LTL Carrier

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Phone & FAX

Toll-Free: 1-800-533-7533
Local: 608-237-8400
Fax: 608-222-1447