Business Details
47 Years
experience
Emergency
services
Trusted HVAC Services in Northern Virginia
Since 1979, Brennan's Heating & Air Conditioning Heating & Air Conditioning has been Northern Virginia's trusted HVAC contractor, combining family values with technical expertise. Our NATE-certified technicians deliver 24/7 emergency services, preventive maintenance, and system installations with a 100% satisfaction guarantee. We prioritize up-front pricing, respect for customers' homes, and EPA-licensed professionalism while maintaining Carrier Factory Authorized Dealer status.With over four decades of service in Prince William County and surrounding areas, we've earned multiple Carrier Presidential Awards and BBB A+ accreditation through consistent quality workmanship and customer-centric practices.
Services
HVAC Repair
AC Installation
Furnace Service
Duct Cleaning
Indoor Air Quality
Maintenance Plans
Emergency Repairs
Thermostat Installation
Zoned Systems
Financing Options
Details
- Year established: 1979
Highlights and features
- Family-owned since 1979 with 40+ years HVAC experience
- 100% satisfaction guarantee on all workmanship
- NATE-certified technicians with specialized expertise
- Up-front pricing with no hidden fees
- Carrier Presidential Award recipient for 8 years
Associations and certifications
- Carrier Factory Authorized Dealer
- NATE-certified
- EPA-licensed
- A+ Accredited with Better Business Bureau
What people say
20 years loyal customer
Professional technicians
Completed within a week
No hidden charges
Highly recommend
Services
HVAC Repair
Our NATE-certified technicians provide comprehensive HVAC repairs for all brands and models. With 24/7 emergency service and fully stocked vehicles, we resolve heating and cooling issues promptly. Customers benefit from same-day repairs and guaranteed workmanship.
AC Installation
We install high-efficiency air conditioning systems from Carrier and other leading brands. Our experts ensure proper sizing and include smart thermostat options. Financing available with qualified credit approval for residential installations.
Furnace Service
Emergency furnace repairs and preventive maintenance available year-round. Technicians use diagnostic tools to identify issues like pilot light problems and carbon monoxide leaks. Includes hybrid heat system expertise.
Indoor Air Quality
Comprehensive IAQ solutions including air purifiers, UV lamps, and duct cleaning. Addresses allergens and humidity control. Technicians provide humidity assessments and recommend appropriate purification systems.
Maintenance Plans
Customizable maintenance agreements with twice-yearly inspections. Includes priority service scheduling and parts discounts. Plans extend equipment lifespan and improve energy efficiency through regular system optimization.
Questions
Do you offer 24/7 emergency HVAC service?
Yes, we provide 24-hour emergency service seven days a week for urgent heating and cooling needs.
Are financing options available for new systems?
Yes, we offer competitive financing programs with no down payment required for qualified customers.
How often should HVAC maintenance be performed?
We recommend twice-yearly maintenance (spring and fall) to ensure optimal system performance.
What areas do you service?
We serve all of Northern Virginia including Prince William County, Fairfax, and Stafford areas.
Are your technicians certified?
All technicians are NATE-certified and EPA-licensed with specialized HVAC training.
Do you provide equipment warranties?
Yes, we offer extended warranties on parts and workmanship for installed HVAC systems.
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Reviews (4)
Nick Hoxter
Dec 07, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Mike A is a grade A passionate and professional Hvac tech. He takes the time to educate his customers which shows his passion in his work. I believe he has been with Brennan's for 18 some years. Which shows the quality of the company itself. 5 stars across the board.
Services:AC repair,Heating maintenance
Mike A is a grade A passionate and professional Hvac tech. He takes the time to educate his customers which shows his passion in his work. I believe he has been with Brennan's for 18 some years. Which shows the quality of the company itself. 5 stars across the board.
Services:AC repair,Heating maintenance
Saul Arce
Dec 03, 2021
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Positive:Professionalism,Punctuality,Quality
Mike is fantastic! Hes been servicing my AC unit for years. Always on time and providing great feedback and recommendations to operate my AC during summer and Heating during Winter. I would Recommend Brennans for any AC or Heating concerns, and Mike the technician to have.
Services:AC maintenance,AC installation,Heating maintenance
Mike is fantastic! Hes been servicing my AC unit for years. Always on time and providing great feedback and recommendations to operate my AC during summer and Heating during Winter. I would Recommend Brennans for any AC or Heating concerns, and Mike the technician to have.
Services:AC maintenance,AC installation,Heating maintenance
Michael Waring
Nov 26, 2021
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Positive:Professionalism,Punctuality,Quality
Brennans is a wonderful company to work with. Great, friendly technicians. They show up on time and get the job done right. Easy to schedule. We have them come twice a year to keep our heating and AC working well. Highly recommend them.
Service:HVAC maintenance
Brennans is a wonderful company to work with. Great, friendly technicians. They show up on time and get the job done right. Easy to schedule. We have them come twice a year to keep our heating and AC working well. Highly recommend them.
Service:HVAC maintenance
Joseph Ulisse
Nov 26, 2021
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Positive:Professionalism,Responsiveness
Very responsive! They were able to schedule a technician to come out same-day to troubleshoot my heater. The technician was able to quickly diagnose and repair the issue on the spot. I will be using Brennan's for regular maintenance going forward.
Services:HVAC repair,HVAC maintenance,Heating maintenance
Very responsive! They were able to schedule a technician to come out same-day to troubleshoot my heater. The technician was able to quickly diagnose and repair the issue on the spot. I will be using Brennan's for regular maintenance going forward.
Services:HVAC repair,HVAC maintenance,Heating maintenance
