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Avatar for Acosta Heating, Cooling & Electrical
Acosta Heating, Cooling & Electrical
4.4(
468
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Concord, NC and surrounding areas

Approved

In business since 1972

Warranties offered

Credit card accepted

"They didn't come on time at all.  The issue I had was that they had a price advertised for a system check and when they came they said that I had two different air conditioning units and it would be two different prices.  I felt that was a bit misleading and they didn't say that when I called to make the appointment. The guy that came was fine.  He was great.  I was happy with the service.  I just felt mislead."
AC Maintenance
Heating Repair
AC Maintenance
Heating Repair
AC Maintenance

+8

Response time11 hrs
Response rate100%
25 neighbors recently requested a quote
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Avatar for Comfort Monster Heating & Air / Absolute
Comfort Monster Heating & Air / Absolute
4.8(
236
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+1 more

Serving Concord, NC and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"All I have to say is that Absolute Comfort Heating and Air Conditioning exceeded our expectations on the installation of our new Trane heat pump! Alex was our point of contact, and he was very knowledgeable, and courteous. The installation crew arrived on schedule and impressed us with their expertise! Robert, Courtland and Cody got right to work and took out the old system… and then installed our new heat pump. They were all knowledgeable, friendly and courteous… answering any questions we had! One day! We have cool air tonight! Thanks guys!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Response time1 day
Response rate100%
81 neighbors recently requested a quote
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Avatar for Brothers- ARS Air, Heat, and Plumbing
Brothers- ARS Air, Heat, and Plumbing
4.5(
199
)
Central A/C - Service or RepairCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+2 more

Serving Concord, NC and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1995

Free estimates

Credit card accepted

"This company was just wonderful. Our new home had a huge job and they got it all completed in one day. They worked a 12 hour day just to insure we had air conditioning when we went to bed. Heath was amazing and very knowledgeable."
System Installation
790 neighbors recently requested a quote
Recommended by66%of homeowners
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Avatar for Retro Air, LLC
Retro Air, LLC
5.0(
27
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+2 more

Serving Concord, NC and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Rhett came out and did a thorough evaluation of all components of our heat pumps. He found wiring that had been connected incorrectly, as well as wiring that was never connected, which was causing our heat to blow cold air (thus defeating the purpose of having the heat on!) He rewired two of the units and added Freon to one that was low, and the heat has been working perfectly since. Rhett is easy to reach, honest, personable, thorough, and makes sure you understand what is going on and the work he is going to do to fix the problem. His pricing is fair, and he gets the job done right."
York
York
General Installation
General Installation
Response time1 day
18 neighbors recently requested a quote
Recommended by74%of homeowners
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Avatar for GSM Services
GSM Services
4.7(
106
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Concord, NC and surrounding areas

Approved

In business since 1927

Free estimates

Emergency services offered

"This was my spring check up on air conditioner before running.. Everything went very well. Everyone should have a service contract with GSM they are the best. I have tried others but they do not compare to GSM."
New Air Conditioners
AC System Replacement in Charlotte, NC
Dust and debris from ductwork pulled into the duct cleaning machine
Ductless Mini Split Installation
AC Install Gastonia

+62

Response time1 day
35 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for Hutch-N-Son's HVAC
Hutch-N-Son's HVAC
5.0(
34
)
Central A/C - Service or Repair

Serving Concord, NC and surrounding areas

Approved

In business since 2003

Emergency services offered

Customers say: True professional

"My air conditioning stopped working this afternoon around 3 o’clock and by 7 Chris had us up and running again. He took the time to educate me on how to properly care for the unit and charged a more than fair price for the work. I would be happy to work with him again."
Response time3 hrs
Response rate96%
Recommended by93%of homeowners
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Avatar for NuBlue Air
NuBlue Air
4.4(
52
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Concord, NC and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Mike has been coming to my house to do work on my heating and air systems for a decade.  He is always reliable, friendly, on time and a true pleasure to have around.  I will always use Cool Comfort for my HVAC needs!!!  :)
"
HVAC Installation Services
Vent & Duct Cleaning
Indoor Air Quality Solutions
Thermostats
HVAC Maintenance

+36

Response time1 day
8 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for T. Byrd's Heating and Air, LLC
T. Byrd's Heating and Air, LLC
4.7(
166
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Concord, NC and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"The A/C repair technician (Jonathan) was very thorough in his troubleshooting. He is extremely knowledgeable and clearly explained the diagnosis and repair options. He explained the immediate repair as well as issues to anticipate with my fairly old (15 year old system), including the caution that my systems R22 refrigerant is no longer being produced and is becoming cost prohibitive to replace (I.e. for recharging). T.Byrdâ s gave an excellent price for the parts replacement and repair. Jonathan also explained the efficiencies of current models and a ballpark figure and timeframe that I could use in planning for a full unit replacement. Outstanding work, outstanding on-site customer service. And special thanks to HomeAdvisor & Angie for including T.Byrdâ s Heating and Air, LLC among the referrals for obtaining estimates and service date availability. This has been a great experience and it was a big deal for our A/C to fail just as the Charlotte summer heat had gone Inyo the 90â s!"
Response time5 hrs
17 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Alcides Pastora
Alcides Pastora
5.0(
11
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceWindow A/C Unit - Install

Serving Concord, NC and surrounding areas

Approved

In business since 2010

Credit card accepted

At Alcides Pastora HVAC Services, we specialize in HVAC repair, maintenance, troubleshooting, and window system installations. We are committed to providing honest recommendations, quality workmanship, and reliable service at fair prices. Whether you need air conditioning repair, heating service, preventive maintenance, or emergency diagnostics, we work hard to keep your home comfortable year-round. Customer satisfaction, clear communication, and attention to detail are our top priorities

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Showing 1-10 of 478

FAQs for air conditioning projects in Concord, 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 Concord, 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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