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Top-Rated Air conditioning pros in Bristow - Updated Nov 2026

Avatar for Relax HVAC, Inc.
Relax HVAC, Inc.
5.0(
32
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessCentral Humidifier - Repair or Service

Serving Bristow, VA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"I have used Relax Air services twice in the past. On November 19th my water heater stopped producing hot water, I've called Nasser to come over to assess what needed to be done. On Monday Nov. 21st he replaced my old water heater (21 years old) Nasser is honest and very reliable. He is very reasonable with his pricing (I have compared Nasser's pricing to my next door neighbors water heater replacement cost). I would highly recommend Relax Air. A huge THANK YOU to Nasser...Relax Air is the ONLY company for my Heating And Air Conditioning needs!"
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+12

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Conde Tech Services, LLC
Conde Tech Services, LLC
5.0(
206
)
Ductless Mini-split A/C - Install or Replace

Serving Bristow, VA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"I'm so annoyed that every time I cooked in the kitchen on the main floor the cooking smell go straight to the basement and my roommate is constantly complaining and he brought in a guy claiming that this guy can fix the problem. The was never fixed and cost me a good amount of money which made me mad. I looked up the comments online and find out how great people talked about Matthew. Through his trained eyes , he educated me how the HVAC system works and what's the problem and what steps should I take to solve the problem. Matthew pointed out to me that when I cook, I have to have the intake air (which I don't) in order to replace the exhausted air. The problem is my kitchen duct vent that takes the exhaust air to the outside is pointed downward right above my kitchen windows and one of them has the exhaust fan; so the smell comes out through the exterior duct vent and goes back into the house through the portable window exhausted fan. The solution is to open one window and turn off the thermostat during cooking. The best solution is to call Bray & Scarff to fix the duct vent. Matthew impressed me with his knowledge and professionalism. Thanks Matthew."
Gas Fireplace Service
Gas Logs Maintenance
Heat Repair
AC Maintenance
Cleaned outdoor unit

+2

Response time10 hrs
Response rate92%
Recommended by99%of homeowners
Avatar for SwiftPro Heating, Cooling & Plumbing
SwiftPro Heating, Cooling & Plumbing
4.6(
117
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Bristow, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Woke up with the house well above the set temperature. A/C running but no hot air coming out. Put job on Angi at 0830 and got immediately called by SwiftPro. They were the first to call and they had the highest rating of the four that were chosen by Angi. Tech arrived a little after 1100 and quickly figured out what was the problem. Tech identified one part that was the issue and another part that could cause a problem down the road. Tech didn't push the second part but the part wasn't much more so changed out both. Tech did a full inspection of the cooling system without any 'additional' issues. Up and running by 1230."
Tri-County Feeds
Trane Odyssey unit
Attic air handler
Old Armstrong AC
R-22 data plate

+29

Response time4 hrs
Response rate100%
Recommended by43%of homeowners
Air We Breathe LLC
5.0(
20
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Bristow, VA and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Air We Breathe strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction. \n \nEmergency calls accepted.

  My Work
  My Work
1 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for Magna Tech Temp Air, LLC
Magna Tech Temp Air, LLC
4.8(
167
)
Central A/C - Service or RepairCentral Humidifier - Repair or Service

Serving Bristow, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Quickly diagnosed the central air conditioning system, and gave an estimate on the cost of recharging the refrigerant in the compressor. The system is a 14 year old Carrier unit. Albert also included some sealant that may plug up the slow leak of refrigerant that occurs every 2 years or so. Albert also, showed me how to adjust the damper to control the flow of air to the second and third floors of the house. The other company that arrived wanted to charge me $5,000 to repair the system or close to $7,000 to replace the AC system with new. I intend to call upon Magna Tech Temp Air, Inc when I'm ready to purchase a new HVAC system. Thanks again for taking the time to listen to my concerns. Well done!!!"
New !6 Seer 3 Ton Air condition
B-Vent
New 80% Gas Furnace Instal
Ashburn Upgrade
Ashburn upgrade

+4

Response time3 hrs
11 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of VA
McCrea Heating & Air Conditioning Services of VA
4.6(
373
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Bristow, VA and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"The quality of the work was great, it is the product I am not sure about. Just had the system put in last year and the mother board needed to be replaced. While it took longer than expected to receive the part, once received, it was replaced the next business day. The technicians were knowledgeable and efficient. They replaced the part and performed the inspection; and explained it all so I could understand what they did (they even replaced the air filter without my asking). I have used this company for over ten years and find their employees willing to help me keep my system running smoothly and efficiently. I highly recommend McCrea of VA for your HVAC needs."
Additional Photos
Trane Unit
Additional Photos
25 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Fauquier Mechanical, LLC
Fauquier Mechanical, LLC
4.9(
38
)
Central A/C - Service or Repair

Serving Bristow, VA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Thank you Fauquier Mechanical (Derek Goff and staff) for the excellent work done installing our new central air conditioning system. We highly recommend this company. Their knowledge, thoroughness, punctuality and overall professionalism gave us peace of mind. The quote they gave was the price we paid-no hidden costs- no high pressure sales. We highly recommend this company."
New Trane Air Handler
New Trane Heat Pump
Prepping for Indoor Air Handler
Old Rheem Air Handler
Old Rheem Heat Pump

+7

Response time10 mins
7 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for ARS of Virginia
ARS of Virginia
4.4(
279
)
Central A/C - Service or RepairCentral A/C - InstallCentral Humidifier - Install or Replace+3 more

Serving Bristow, VA and surrounding areas

Approved (Corporate)

In business since 1950

Free estimates

Emergency services offered

"The team was very helpful with identifying the issue with our heating system and providing guidance on how to proceed. We replaced the entire system (which was 10 years old). Very happy with the end result. The air is so much cleaner and my son's allergies have significantly reduced."
Install of a new A/C system.
379 neighbors recently requested a quote
Recommended by78%of homeowners
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Showing 1-10 of 530

FAQs for air conditioning projects in Bristow, VA

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Bristow, VA homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.