Visa 
Cash 
Mastercard 
Since 1987, Brennan Heating and Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.
Our goal is to help you make your home more energy efficient — while saving you money.
We offer a wide variety of home improvement products including furnaces, air conditioners, heat pumps, hydronic heating systems, indoor air quality products, gas water heaters, tankless water heaters, and more. Call now for service!
Residents of Seattle, WA and the surrounding Puget Sound areas have relied on the reliable services provided by Brennan Heating & Air Conditioning for more than 30 years.
So our commitment to ensuring our customers’ comfort throughout the year has garnered the respect and loyalty of residents all around Seattle and the Puget Sound area. We believe in offering our Seattle neighbors the best in customer service. So we hire only the best technicians who have completed intensive training. Undoubtedly, we believe in 100% customer satisfaction.
When our loyal customers call us for furnace repair, we know they need our help right away. So we always do our best to send a professional, friendly, and knowledgeable technician out to help as soon as possible. Our entire energy consultant team takes the time and care to listen to each of our customers’ unique interests, needs, and circumstances. We make sure we deliver the perfect HVAC system needed for cool and warm comfort every day of the year. Indeed, with Brennan, you know you are choosing a quality HVAC contractor.