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Guardian Air Conditioners

Updated: Aug 22, 2018
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Guardian makes residential air conditioners, heat pumps and gas furnaces. Guardian is owned by Johnson Controls Co., based in Wisconsin, which trades on the New York Stock Exchange as JCI and had net sales of approximately $30 billion in 2017.


Corporate History

Evcon Holdings Inc. originally manufactured the Guardian brand of HVAC products, in addition to Coleman, Evcon, AirPro and Red-T. The company later sold its stock to York International Corp. in the 1990s. Today York is part of Johnson Controls Inc.

Guardian opened a 1.5 million square-foot facility in Wichita, Kansas in 2002, where it builds and tests its line of products.

Product Lines

Guardian split-system air conditioner systems are outdoor units available in 13 and 14.5 SEER efficiency and 1.5 to 5 ton capacity models. Heat pumps are offered in 13 SEER and up to 8.3 HSPF efficiency in 1.5 to 5 ton models and 14.5 SEER and up to 9,0 HSPF in 2 to 5 ton models. 

Guardian gas furnaces are available in 80% AFUE and 95.5% AFUE models.

Guardian also makes a single package unit which provide 13 SEER efficiency  cooling and 80% AFUE efficiency heat.


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Contacting Guardian

York Unitary Products
5005 York Dr.
Norman, OK 73069

Phone: (877) 874-7378


Guardian offers the following warranties:

Air Conditioners and Heat Pumps

  • 10-year limited compressor warranty
  • 10-year limited parts warranty

Gas Furnaces

  • Lifetime limited heat exchanger warranty (95.5 AFUE model)
  • 20-year limited heat exchanger warranty (80% AFUE model)
  • 10-year limited parts warranty

Single Package Units

  • 10-year limited heat exchanger warranty
  • 5-year limited compressor warranty
  • 5-year limited parts warranty


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