Founded in 1970 we continue to operate under two basic principles, comfort and service. We specialize in commercial HVAC equipment and offer fully stocked warehouses with knowledgeable staff to help you.
O'Connor Company is a commercial heating, ventilation, and air conditioning (HVAC) equipment supplier representing dozens of the industry’s best manufacturers with offices and warehouses in Sioux Falls, SD and Rapid City, SD. O'Connor serves the educational, institutional, commercial, industrial, government and healthcare industries by providing top-quality HVAC equipment and replacement parts. Site map. Designed and hosted byThe Gage Team Marketing Agency Sioux Falls, SD