• Seattle heating

    An Industry Leader

    Brennan Heating and Air Conditioning

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We're proud to be a part of our partnership with Northwest Harvest! Brennan Heating & Air Conditioning has donated 100,000 meals since September 1, 2017. 


Brennan Heating & Air Conditioning

Your Puget Sound Heating and Air Conditioning Installation and Service Contractors

Spring is here, which means summer isn't far behind! Brennan Heating and Air Conditioning is ready to help you with your first air conditioning purchase, replacing your current air conditioning system, air conditioning installation or air conditioning maintenance and repair to get ready for the warmer weather. Want to plan ahead for the cold fall and winter months? We're also here to help you with heating purchases, installations, replacements, and repairs!

We’ve been in business since 1987, serving tens of thousands of satisfied Puget Sound customers, and for 12 years in a row, we've won the Angie's List Super Service Award for achieving and maintaining a superior service rating with thousands of online reviews on Angie's List. 

Industry-Trained and Certified HVAC Technicians

Every homeowner and application is different, and our highly-trained and professional heating and cooling contractors will work to provide a wide array of heating installation and services that fit and satisfy each customer's needs. Our staff is up-to-date on the newest developments in heating technology and design procedures in order to choose and install a system that will be the most efficient and the most reliable for you.

We serve King, Snohomish, Pierce, Lewis, Thurston, Mason and Kitsap counties and surrounding metro areas.