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... Read More about Brennan Heating & Air Conditioning

Since 1987, Brennan Heating & Air Conditioning has served thousands of homeowners throughout the Puget Sound region. We offer a variety of home services and products including heating, cooling, water heaters, plumbing, electrical, duct cleaning, and duct sealing services.

Welcome to Brennan’s Heating and Air Conditioning. Since 1979, we have been providing homeowners and businesses throughout Northern Virginia with our award-winning customer service, outstanding products, affordable prices, and superior workmanship. Whether you are in need of emergency service, preventive maintenance, a new HVAC system or you just want to learn more about how to reduce your monthly energy costs;... Read More about Brennan's Heating & Air Conditioning

Since 2019, Brennan & Co. has proudly been named Best HVAC Company in Martha’s Vineyard Magazine’s Best of the Vineyard contest—an honor we hold with deep respect. As a locally based company in Edgartown, we’re committed to providing Martha’s Vineyard with dependable, high-quality HVAC solutions built for the Island’s climate, homes, and lifestyle. Whether you’re scheduling a seasonal tune-up, upgrading... Read More about Brennan & Co.

Brennan Heating & Air Conditioning, Inc. in Jacksonville specializes in providing top-notch HVAC solutions to keep homes comfortable year-round. From AC installation and maintenance to heating services and indoor air quality improvements, they offer a wide range of products and services including duct cleaning, heat pumps, and refrigeration solutions. Trust Brennan Heating & Air Conditioning for all your cooling and... Read More about Brennan Heating & Air Conditioning, Inc.

Local Heating & Air Conditioning Contractor

Brennan Heating & Air Conditioning has proudly served Western Washington residents since 1987. We offer a wide range of home comfort and electrical solutions, including furnaces, air conditioners, heat pumps, select gas fireplaces, indoor air quality products, water heaters, panel upgrades, lighting installations, EV chargers, and more. No matter your heating, cooling, or electrical needs, our energy consultants will help... Read More about Brennan Heating, Air Conditioning, & Electric

Residents of Seattle, WA, and the surrounding areas have trusted Brennan Heating & Air Conditioning for more than 30 years. We offer a wide variety of home improvement products, including furnaces, air conditioners, heat pumps, select gas fireplaces, indoor air quality products, gas and tankless water heaters, electrical services like panel upgrades, wiring, lighting installations, EV chargers, and more. Whatever... Read More about Brennan Heating and Air Conditioning