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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 Greensboro, NC and surrounding areas

Approved

In business since 1991

Emergency services offered

Warranties offered

"

They were by far a cost-conscious provider.  All work was completed as promised.  Excellent customer service.  The office even called as a follow-up to make sure we were happy.  We definitely recommend them as your heating and air go-to!



"
Additional Photos
Response time12 hrs
Response rate100%
8 neighbors recently requested a quote
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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 Greensboro, 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
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Avatar for Dorman Heating & Air Conditioning, LLC
Dorman Heating & Air Conditioning, LLC
4.9(
38
)
Central A/C - Service or Repair

Serving Greensboro, NC and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Chris Dorman was professional and easy to talk to you. He came on time and did a wonderful job repairing our air conditioner. He was thoughtful and helpful. No question that Dorman Air will be our go to company for any air or heat issues."
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
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Avatar for Quality Refrigeration Concepts Inc.
Quality Refrigeration Concepts Inc.
4.8(
20
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Greensboro, NC and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"I recently had the pleasure of working with QRC, Inc. for our commercial HVAC needs, and I can’t say enough about their exceptional service! From the moment we reached out, their team was professional, responsive, and genuinely invested in solving our issues. They arrived on time, quickly diagnosed the problem with our system, and provided a cost-effective solution that got our business back up and running without a hitch. The technicians were knowledgeable, courteous, and went above and beyond to ensure everything was perfect before they left. QRC, Inc. truly understands the importance of reliable HVAC/R service for commercial spaces, and their attention to detail and customer care is unmatched. I highly recommend them to any business looking for top-notch service"
HVAC Replacement
Heat Pump
Air Handler
Air Conditioner
Repair

+21

Response time1 day
Response rate89%
119 neighbors recently requested a quote
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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 Greensboro, 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
206 neighbors recently requested a quote
Recommended by78%of homeowners
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Avatar for Empire Heating & Air
Empire Heating & Air
4.8(
9
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Greensboro, NC and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Good job! Thanks for the tips and good service."
Leak search on hvac system
Leak search on hvac system
Additional Photos
Additional Photos
Additional Photos

+4

12 neighbors recently requested a quote
Recommended by88%of homeowners
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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 Greensboro, 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
115 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Prestige Heating & Air
Prestige Heating & Air
4.4(
35
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Greensboro, NC and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Fast professional most reasonable. I will ues this company when needed in the future."
Logo
1 neighbors recently requested a quote
Recommended by65%of homeowners
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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 Greensboro, 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
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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 Greensboro, NC and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"I've worked with them for 12 years, high integrity, quick service and always honest."
Large Tube Heater
Team Work
Miller HVAC Parts
Miller HVAC Parts
Sheet Metal Work

+8

Response time7 hrs
Recommended by98%of homeowners
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FAQs for air conditioning projects in Greensboro, 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 Greensboro, NC homeowners’ guide to air conditioning services

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

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