Have Questions? Please complete this form and we’ll get back to you soon. 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. 800-533-7533Mon–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 LLC4201 Lien RoadMadison, WI 53704800-533-7533 Warranty & ReturnsROG DepartmentTherma-Stor LLC4201 Lien RoadMadison, WI 53704 Mailing & ShippingTherma-Stor LLC4201 Lien RoadMadison, WI 53704 Inbound LTL CarrierDownload guide Phone & FAXToll-Free: 1-800-533-7533Local: 608-237-8400Fax: 608-222-1447