TecTube is the exclusive channel for Temperature Equipment Corporation (TEC) and National Excelsior Company (NEC) focusing on educational content to benefit HVAC technicians, engineers, comfort advisers, and anyone part of the complex and ever evolving HVAC industry. Our feature videos are intended to be short segments of content to supplement our longer duration webinars, traditional classroom, and lab style training options.

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 in the industry…. condensing units, furnaces, RTUs, chillers, VRF, ERVs, and more. We also do business as National Excelsior Company in some locations.