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Top-Rated Central a/c service or repairers in Fairmont - Updated Nov 2026

Avatar for B & L Heating & Cooling
B & L Heating & Cooling
5.0(
103
)
Central A/C - Service or Repair

Serving Fairmont, WV and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I called Brian to schedule an annual inspection for the HVAC system that B&L installed last May. Similar to my experiences last year, he immediately answered the telephone when I called him. I told him that our AC appeared to be operating just fine but I just wanted to have it checked annually so it wasn't an emergency. He made the trip to my house the very next day... calling to verify his arrival ahead of time. Once again, B&L's customer service was top notch. Brian arrived on time and expeditiously checked the unit (which was in perfect running condition). He didn't charge anything for his time which is very unusual in today's business world. I would strongly recommend contacting B&L for your HVAC needs as their professionalism goes above and beyond."
6 neighbors recently requested a quote
Recommended by98%of homeowners
AC BY CASEY, LLC
New to Angi
Central A/C - Service or Repair

Serving Fairmont, WV and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Casey was unable to complete the job due to other jobs. He went over and beyond to try to find a solution. He came to the conclusion that the part that the supplier sold us was non functional. He found us another part and it has worked perfectly. Casey was very knowledgeable and very professional. We would definitely use him again!!!"
19 neighbors recently requested a quote
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - Service or Repair

Serving Fairmont, WV and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Excellent service, very fast response to my request for service, picked up laptop, diagnosed issues. Initially thought it was an OS update issue but the hard drive had failed along with other components (including 'CPU). Because other components were involved, a new solid state hard drive was put into a laptop with a working processor - same type CPU as in the failed unit. The laptop was repaired and returned in less than a week. This company picked up and dropped off the laptop (driving from Huntsville, AL (about 60-70 minutes)-- great service in this covid environment. I would recommend this company to my family./friends and will use again."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
On The Double, Inc.
4.4(
30
)
Central A/C - Service or Repair

Serving Fairmont, WV and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"They called within 20 minutes of me requesting a quote on Angi. This company gave me same day service on my air conditioning as they were going to be near my area. Had quick repair, had the part on their truck. The gentleman was professional and knowledgeable. I will use them from this day forward. Cannot say enough positive things about them. Thank you Angi for making this so easy for me. Gratefully, Carol W."
Response time7 hrs
Recommended by92%of homeowners
Showing 1-10 of 36
FAQs for central a/c service or repair projects in Fairmont, WV

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Fairmont, WV homeowners’ guide to central a/c service or repairs

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