We’re Here When You Need Us!

Our goal is to offer you the best possible equipment and materials at a fair price and to be on call for excellent service and repairs whenever the need may arise.

air conditioning repair woodbridge vaheatingindoor air quality

HVAC Services Including AC Repair, Heating Repair & More In Northern Virginia For Over 35 Years


The HVAC industry has grown a lot since Brennan’s Heating & Air Conditioning opened. Today, high-tech comfort systems require highly-trained technicians who are NATE-certified and experienced in all areas of air conditioning repair, heating, and indoor air quality.

After 35+ years, we’ve changed a lot too. At Brennan’s Heating & Air Conditioning, we still provide good, old-fashioned service, but we also offer the full line of cutting-edge products from the heating and cooling experts at Carrier.

Northern Virginia’s Top Heating and Cooling Services

36 months financing

Our company has been serving Woodbridge and the Northern Virginia region since 1979. We don’t compromise on quality — our team members pride themselves on providing the top-quality service each and every time. We attribute our success to the fact that we’re responsive to our customers’ needs, no matter if they’re residential or commercial, large or small. Whether you need routine maintenance or a complete system installation, our team of trained technicians is at your beck and call, and we’re prepared to deliver quality services and products at an affordable price. We live by the time-tested motto, “Do the job right the first time.”

We Service All Major BrandsBrennan’s Heating & Air Conditioning is a Carrier Factory Authorized Dealer (FAD), and we got that way by demonstrating our knowledge and expertise in performing heating repairs and AC installation. We maintain this designation by offering superior service and by meeting stringent training requirements. That means we’re qualified to perform air conditioner repairs, warranty work, and these comprehensive services:

  • System installation
  • System replacement
  • Preventive maintenance
  • Seasonal tuneups
  • Emergency repairs
  • Duct cleaning

Carrier HVAC Products, Air Conditioner Repair, and Financing

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The right HVAC system can do more than heat and cool your home. It can lower your utility bills and lessen your impact on the environment. Whether you’re heating a home or a business, the savings will compound quickly.

From boilers to central air conditioners, we provide a full range of energy-efficient HVAC systems. We also offer indoor air quality products, humidification equipment, and air cleaners that are ideal for maintaining a healthier indoor environment. Plus, all of these systems can be controlled from one intelligent thermostat.

Air Conditioner Repair

maintenanceWith the right equipment and regular maintenance, your heating and cooling systems can pay you back. Our NATE-certified technicians are trained to maintain and repair central air conditioners and heat pumps from Carrier and all other brands. If you are experiencing problems with your furnace or AC system, we’ll make sure that your system is working properly, and we won’t leave until the job is complete and your home is comfortable. In this busy world, we understand the importance of prompt appointment scheduling and reliable service. We even offer 24-hour emergency service and after-hours air conditioner repairs that fit your busy schedule.

Indoor Air Quality

Believe it or not, your HVAC system can affect your health. Because the air is recycled in a contained space, airborne particulates like pet dander, allergens, mold, fungi, cleaning chemicals, and more can become a major issue. We specialize in ensuring the indoor air quality of your Northern Virginia home is of the highest level. To this end, we offer a full line of indoor air quality products and services, including air purifiers, ventilators, humidifiers, UV lamps, and air duct cleaning. Our qualified technicians are trained to ensure your family breathes easily.


Financing your new equipment is a simple process. Our financing programs are very competitive and our full-service financing team has the experience to work out the best plan for your situation and then guide you through the process. There is no down payment required, and no penalty for paying off your loan early.