Auer Steel
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Serving Since 1940

Founded in 1940 in a single, small building in Milwaukee, we have grown to serve the HVAC community throughout Wisconsin, Minnesota, eastern North Dakota and the Upper Peninsula of Michigan. Since day one, Auer Steel has been under the leadership of the Curtes family - now in its third generation, we serve with the same “customer-first” values implemented in 1940. 



Brands

Auer Steel & Heating Supply Co. is a full-service distributor of high quality indoor comfort products. We partner with trusted, industry-leading manufacturers and stock both residential and commercial HVAC equipment and accessories including forced air, ductless, hydronic and geothermal.