About Us

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ABOUT US


Our Customer Promise

As a recognized leader in HVAC design and distribution, Design Air wants to continually impress our business partners. Providing superior customer service is a unifying force throughout our diverse operations. Our knowledgeable professionals and HVAC designers in combination with industry and product training, reliable and economical products, and competitive pricing, and timely deliveries, we strive to be the wholesale distributor of choice for HVAC contractors and suppliers.

Design Air was founded in 1972 and is a full-service heating, ventilation and air conditioning (HVAC) wholesale distributor serving all Wisconsin, upper Michigan, eastern Minnesota, and northern Illinois licensed HVAC contractors.

Our History Since 1922

Design Air is deeply rooted in the HVAC industry dating back to 1922. Milwaukee Stove & Furnace Repair was founded on July 15, 1922, by the Oelstrom brothers and their nephew Fred J. Engler. They specialized in repairs but also handled a line of Rybol hand fired coal and wood burning furnaces – the familiar “Pot-bellies.” A decade later, they would purchase the vested rights of Stove Dealers Supply Co. In 1950 Fred J. Engler bought out the Oelstrom brothers and changed the name to Milwaukee Stove & Furnace Supply co. which stood until its merger with Design Air in 2015.

Founded in 1972, Design Air got its start sharing a warehouse location with US Auto Force and was known as Combined Warehouse Distributors. In the Mid-1980’s they decided a new name would provide better recognition in the HVAC industry and became Design Air. Through rapid growth and their first acquisition of Christie Supply, Design Air needed more space and built their first warehouse located at the current day branch location in Kimberly, WI.

The warehouse space was a modest 31,250 sq ft and would double in size almost ten years later. During those ten years, Design Air would acquire more locations throughout the state through acquisitions until 2015 with the merger of Milwaukee Stove & Furnace Supply Co. of WI.

Today, Design Air has eight locations servicing Wisconsin, upper Michigan, northern Illinois, eastern Minnesota, and the north-east corner of Iowa. Design Air continues to maintain its roots in the HVAC industry and celebrating 100 years in the industry is something we are very proud of. We owe many thanks to those that came before us, the employees that laid the groundwork, the customers for their loyalty, and our many suppliers who provide us with dependable products. Without working together, we cannot “Celebrate the Past and Focus on the Future.”

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