Tempstar is owned by United Technologies which is the same company that owns Carrier, Heil, and other popular HVAC brands.Click to see full answer. Similarly, is Tempstar made by carrier?Tempstar has been manufacturing residential heating and cooling systems since the 1980s. They are part of the United Technologies Corporation group, which is the same parent company that owns brands like Carrier.Beside above, is Tempstar Made in USA? ICP’s Tempstar has international sales with support in Shanghai, China; Canoas, Brazil; Bucharest, Romania and Wiener Neudorf, Austria. ICP produces more than a million units a year at various manufacturing complexes in the United States, Mexico and Canada. Simply so, what brand is Tempstar? Tempstar Manufacturer Overview Tempstar makes residential and commercial central air conditioners, heat pumps and furnaces. Tempstar is owned by International Comfort Products (ICP), which is a part of UTC Climate, Controls & Security, a unit of United Technologies Corp.Are Tempstar furnaces any good? Tempstar Furnace Series Reaching AFUE efficiency ratings of up to 95.5%, the economy-priced Tempstar Performance Series can offer reliable performance for your home. With a single-stage operation, Canadians can be confident that their home is receiving cost-effective comfort for the entire winter.