• 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 93,300 meals since September 1, 2017. 


Brennan Heating & Air Conditioning

Your Puget Sound Heating and Air Conditioning Installation and Service Contractors

Winter is here! Brennan Heating and Air Conditioning is ready to help you with your first heating purchase, replacing your current heating system, heating installation or heating maintenance and repair to get ready for the cooler weather. Want to plan ahead for the spring and summer months? We're also here to help you with A/C 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 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.