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Brennan Heating and Air Conditioning

Updated: Nov 12, 2017

Brennan Heating & Air Conditioning is a residential heating and air conditioning installation and service company. The company states that it has one of the largest service departments in the Northwest, with their background-checked, drug-tested technicians averaging over 13 years of experience in heating and cooling system installation and repair. They are open 8 a.m. to 5 p.m., Monday through Friday, and appointments can be made via phone or through a form on the company website.

Services and Service Area

Brennan Heating and Air Conditioning serves Greater Seattle and much of the Pacific Northwest. The company offers sales, installation and service of heating and cooling products including air conditioners, heat pumps, furnaces, boilers, and water heaters. They also offer electrical services, with licensed electricians on staff. Their technicians are factory trained and certified for Lennox, Rheem, Trane, American Standard, and A.O. Smith products. The company offers free energy consultation as well as flexible, easy financing options.

Company History

Brennan Heating and Air Conditioning was established in 1987 and is locally owned and operated. The company has won several local service awards and several awards from the Lennox company, and for 11 years in a row Brennan Heating and Air Conditioning has won the Angie's List Super Service Award.

Ratings and Reviews

The company has an A+ rating from the Better Business Bureau, with 4 out of 5 stars based on 3 reviews. There are 404 Google reviews for Brennan Heating and Air Conditioning, with an average of 4.8 out of 5 stars. On there are 78 company reviews, with an average rating of 3 out of 5 stars.


4601 S. 134th Place
Seattle, WA 98168
(206) 248-7900

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