Heat pumps, air cleaners, humidifiers and ventilators are among Temperature Equipment Corporation s products. The company is a wholesale-HVAC-distribution company that serves residential, commercial and industrial clients throughout the Chicago area. Its products include equipment, controls, parts and supplies, including Carrier brands such as Bryant, Payne and Racan, which it has sold since TEC s founding in 1935. The company also sells equipment and accessories manufactured by Sterling, Applied Air, Semco, Krueger, Servel, First Company, Zonex and MicroMetl. In addition to its HVAC business, TEC-Properties leases office and warehouse space to a variety of tenants. TEC is headquartered in Lansing, Ill. It maintains additional facilities in Alsip, Ill. and Valparaiso, Ind.