Schedule Service Proudly Serving Western Washington since 1987 24/7 Emergency Service 1 (877)-BRENNAN 2736626 MENU HVAC Installation Seattle’s HVAC Installation Experts Whether you need to upgrade or purchase a brand new heating or air conditioning system, Brennan Heating & Air Conditioning provides and installs the highest-quality heating and air conditioning systems for residential properties of any size in greater Seattle and much of the Pacific Northwest. Reliable, experienced, fully trained and qualified – our technicians will professionally install the equipment you need to be comfortable in no time! Heating And Air Conditioning Installation For Residential Customers: Sales and Installation Air Conditioning Heat Pumps Gas Furnace Replacements Gas/Electric Conversions Tankless Water Heaters Many Popular HVAC Makes and Models Everything Residential Pre-Season Start-Ups Energy-Star Rated Products Heating and Cooling Installations You Can Rely On Our HVAC installation technicians are reliable, experienced, and fully trained and qualified. In fact, each technician averages more than 13 years of experience in heating and cooling system installation. We also employ a number of senior technicians, many of which have 15-20 years of experience in the industry. Benefits Of A New HVAC Installation For Your Seattle Home: Improved energy efficiency vs. your old system Professional installations by licensed technicians Exceptional reliability from the industry’s leading products and brands Satisfaction guaranteed and factory warranty coverage We even offer free estimates so you don’t feel pressured to commit to a new system before you’re ready. Our Seattle HVAC installations are second-to-none, in both the dependability of products and the quality of our craftsmanship. Get in touch with the experts at Brennan Heating & Air Conditioning for a free estimate on your next heating and cooling project! CONTACT US TODAY! 24/7 EMERGENCY SERVICE AVAILABLE CALL US TODAY AT 1 (877)-BRENNAN Contact Us Brennan Heating & Air Conditioning 4601 S 134th Pl Seattle, WA 98168 6414 204th St SW, Suite 200 Lynnwood, WA 98036 Hours of Operation: 7:00am-5:00pm Monday-Friday 8:00am-4:30pm Saturday 1 (877)-BRENNAN Our Service Guarantee We guarantee our workmanship and we’ll treat your home with care and respect. And when it comes to service, we have knowledgeable technicians who will keep your equipment running smoothly for years to come. CONTACT US TODAY! © 2021 Brennan Heating & Air Conditioning. License #BRENNHA971R9. Privacy Policy Web Design and Internet Marketing by RYNO Strategic Solutions