Brennan Heating - Seattle Heating and Air Conditioning Experts

Every morning, our experienced heating and air conditioning technicians wake up ready to make your day more comfortable. Our heating and cooling experts are reliable professionals you can count on for installation and maintenance services around Seattle. Brennan Heating & Air Conditioning technicians average over 13 years of experience providing quality heating and cooling system installation and repair.

Our team members are experts who hold industry and factory certifications from brands like Lennox and Maytag, and include City of Seattle journeyman-status professionals and a Washington State-certified electrician, all dedicated to treating your family’s home with utmost care.

Brennan Heating has been delivering superior service to Seattle families for twenty-eight years. Our team is proud to be a seven-time winner of both the Puget Sound Energy’s Energy Efficiency Action Award and the Puget Sound Energy Contractor Referral Service Program’s Platinum Achievement Award for sales and customer service. Brennan Heating & Air Conditioning has also won awards from Angie’s List and Lennox, and we’re proud members of the Master Builders Association of King County.