Lennox International makes sure the temperature is just right. The company makes climate control equipment such as heating, ventilation, air conditioning, and refrigeration (HVACR) units for residential and commercial uses. It sells furnaces, heat pumps, fireplaces, and air conditioners under such brands as Lennox, Armstrong Air, and Aire-Flo; chillers and condensing units are sold under the Bohn and Larkin names. The heating-and-cooling maker's products are sold through some 7,000 dealers in the US and Canada. Lennox has operations in Asia, Australia, Europe, and South America. Named after inventor Dave Lennox, the company was founded in 1895.