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Find Air conditioning pros in Oak Ridge

Avatar for Chrismon Heating & Cooling
Chrismon Heating & Cooling
4.7(
200
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 1991

Emergency services offered

Warranties offered

"The crew showed up as scheduled and installed the new unit at our home, made sure everything was running perfectly before departing. I rest easy knowing that if any issues arise, Chrismon will handle it promptly with professionalism! I would highly recommend this company for your HVAC needs! Ron and his crew are down to earth and trustworthy."
Additional Photos
Response time12 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for Aire Serv of Liberty
Aire Serv of Liberty
4.8(
94
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceCentral Humidifier - Repair or Service

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Quick response, polite and very professional. Stephanie, the technician, explained in details what the issue with my central air unit was. Explained the options to repair and costs. Stephanie fix the issue , was very professional and answered all my questions."
Maintenance / Unit Recondition
Attic Power Ventilators
Heat Pump Repair
Heat Pump Repair
Unit Recondition/Maint

+7

Response time3 hrs
Response rate86%
Recommended by96%of homeowners
Avatar for Dorman Heating & Air Conditioning, LLC
Dorman Heating & Air Conditioning, LLC
4.9(
38
)
Central A/C - Service or Repair

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Dorman Heating & Air Conditioning was able to give us the highest quality products at the best price possible! They were able to accommodate my family s schedule and were professional, considerate, and thorough! When it came time for inspection, the inspector spoke highly of the work done and we are grateful and thrilled with the results! Thank you Dorman for all you have done for our family! We appreciate your hard work and expertise!"
16 SEER Outdoor AC units
96% Efficient Gas Furnace for the 1st floor
2nd Floor Furnace in the attic
Response time3 hrs
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for ARS / Rescue Rooter Durham
ARS / Rescue Rooter Durham
4.3(
72
)
Central A/C - Service or RepairCentral A/C - InstallCentral Air Cleaner - Install or Replace+3 more

Serving Oak Ridge, NC and surrounding areas

Approved (Corporate)

In business since 1972

Free estimates

Credit card accepted

"From start to finish they remove 2 HVAC systems and installed 2 new systems in 1 day. Got the quote day before and pricing was perfect for us. The crew and there manager kept us updated through whole project and went over everything with us. We couldn’t be more pleased with this company and their crews. I would recommend them if you want quality hard working, professionals that take pride in there work. You will be blown away with there work!! Thank you!!"
System Installation
205 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Shamrock Heating and Air
Shamrock Heating and Air
4.1(
239
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceCentral A/C - Service or Repair - For Business+1 more

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"My A/C went out and my home warranty sent out a company that said the coil needed to be replaced. They sent me an invoice that was way more than I expected so I decided to get another opinion. I listed my issue on Home Advisor Sunday morning and Shamrock called me within 10 mins. They came out to diagnose my issue free of charge AND knowing that I had been without air for a week already they loaned us a window unit. They came out the next day, put the window unit in and checked my system. Found out that the issue was not the coil, but even if it was the charge was way less than the invoice I had received from the other company. Thanks to Shamrock our air is working better than ever. Very prompt, courteous and thorough. Fixed issues that previous company created. Highly recommend!!"
Repair
Response time4 hrs
113 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Boyd's Heating And Cooling LLC
Boyd's Heating And Cooling LLC
4.9(
16
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"The technician was very professional and very helpful. He was obviously very knowledgeable and knew exactly what our issue was. Replaced the part we needed same day! Decided to call them after having issues with another company last summer. Thanks!!!"
Ac Maintenance
Response time2 hrs
Response rate93%
2 neighbors recently requested a quote
Avatar for Miller Services HVAC Inc -
Miller Services HVAC Inc -
4.9(
63
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"I put A/C as the service, but I have a heat pump system, so this included both heat & air. I was impressed by their estimator, Alan, because he really took the time to do a thorough inspection. He also was here on day to help out with the job. All of the technicians were wonderful. This company goes the extra mile for their customers and I cannot recommend them highly enough."
Large Tube Heater
Team Work
Miller HVAC Parts
Miller HVAC Parts
Sheet Metal Work

+8

Response time7 hrs
Recommended by98%of homeowners
Avatar for Jet Heating & Air, Inc.
Jet Heating & Air, Inc.
5.0(
4
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Oak Ridge, NC and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"We've been using this HVAC company at our restaurant, Curry and Noodle in Winston-Salem, and we couldn't be happier. Running a busy kitchen means our heating and cooling systems take a real beating, and Chris has been nothing short of amazing. He shows up on time, communicates clearly, and always makes sure everything is running perfectly before he leaves. It's rare to find someone who treats your business like it's their own — but that's exactly how Chris makes you feel. Highly recommend to any business owner in the area looking for reliable, honest HVAC service!"
Packaged Unit
Air Handler in Attic
Outdoor Unit
New Construction Work
New Construction Work

+4

1 neighbors recently requested a quote
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FAQs for air conditioning projects in Oak Ridge, NC

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 Oak Ridge, NC homeowners’ guide to air conditioning services

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