Therm Air Sales Corp. is an independent manufacturers representative and distributor for industrial and commercial HVAC equipment in the state of North Dakota, and Northwestern Minnesota. We provide hvac equipment such as fans, air distribution products, kitchen ventilation equipment, cooling towers, heat exchangers, refrigeration and coil products, make up air and heating equipment, sound control equipment, louvers and dampers, garage and welding exhaust equipment, electric duct heaters, dust control and filtration products, chimneys, spiral pipe, and heat recovery ventilators.