Available 24 hours - 7 days a week!
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(703) 763-0399
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Contact Brennan’s Heating & Air Conditioning

For over 30 years, we have provided our clients with uncompromising customer service, the highest quality, dependable parts and equipment, excellent manufacturer warranties, and our own Guarantee of Workmanship.

Write Us

To schedule a service call, please fill out the following information and we will get in touch with you during office hours to schedule.

If this is an after hours emergency request, please call our office at 703-763-0399

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Hours of Operation

Monday:8:00am – 5:00pm


Tuesday:8:00am – 5:00pm


Wednesday:8:00am – 5:00pm


Thursday:8:00am – 5:00pm


Friday:8:00am – 5:00pm


Saturday:8:00am – 12:00pm

Brennan's Heating & Air Conditioning

We serve all of Northern Virginia with fast, same day service and a 100% Satisfaction Guarantee.