Temperature Equipment Corporation (TEC)

Temperature Equipment Corporation (TEC) is a wholesale HVAC distribution company headquartered in Lansing, IL and servicing Illinois, Indiana, Wisconsin, Minnesota, Michigan, Missouri, and Kansas. We are a one-stop-shop for all HVAC needs from residential to commercial & industrial including equipment, controls, parts and supplies. TEC is your high efficiency expert, with the lowest energy consumption equipment available in the industry…. condensing units up to 21 SEER, furnaces up to 98% efficiency, rooftops up to 21 IEER… chillers, VRF, ERVs, and more. We also do business as National Excelsior Company and Harry Alter Company in some locations.