• Seattle heating

    An Industry Leader

    Brennan Heating and Air Conditioning

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Brennan Heating & Air Conditioning has donated 11,800 meals to Northwest Harvest since September 1, 2017. Please see our current special to learn more.


Brennan Heating & Air Conditioning

Your Puget Sound Heating and Air Conditioning Installation and Service Contractors

Summer is here! Brennan Heating and Air Conditioning is ready to help you with your first air conditioner purchase, replacing your current A/C system, A/C installation or A/C maintenance and repair to get ready for the warm weather. Want to plan ahead for the fall and winter months? We're also here to help you with furnace purchases, installations, replacements and repairs!

We’ve been in business since 1987, serving tens of thousands of satisfied Puget Sound customers, and for 11 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 employees will work to provide a wide array of heating installation and services that fit and satisfy each customers 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.