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The Heil Company is the producer of central air conditioning units, heat pumps and both residential and commercial heaters. The Heil trademark, along with the following furnace-maker brands Tempstar, Clare, Comfortmaker,  Dettson, KeepRite, Lincoln, and Arcoaire, is a property of International Comfort Products (ICP), which in itself is owned by the public limited company United Technologies Corporation (NYSE: UTX).

Company History

ICP purchased the Hail trademark in 1962.

Product Range

Heil markets central air conditioning units and high efficiency gas and oil furnaces.


A limited 5-year warranty on all parts will cover the replacement cost of any part that fails within this period of time, the period itself beginning with the installation date. There is an option of a longer warranty on key components.

Look for more information on the Company’s website: