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Find Central a/c service or repairers in Ellicott City

Avatar for Supreme Service Today
Supreme Service Today
4.4(
475
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Supreme was polite, professional, and timely. They serviced the system and explained what items require repairs for long-term efficiency. I was very pleased and contacted them again for another system's servicing."
Response time1 day
Response rate100%
60 neighbors recently requested a quote
Avatar for Amazing Heating and Air Conditioning, Inc.
Amazing Heating and Air Conditioning, Inc.
4.5(
190
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Replaced old HVAC system. Very knowledgeable team that provide competitive and comprehensive solutions. Great customer service and were in and out in one day with quality workmanship. We couldn t be more pleased!"
Rolloff Residence
Rolloff Residence
Rolloff Residence
Rolloff Residence
Jamerson Residence

+5

Response time1 day
7 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Tim Kyle Electric Heating & Cooling
Tim Kyle Electric Heating & Cooling
4.9(
370
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Emergency services offered

Warranties offered

"Outstanding service!! Highly recommend. Very thorough! It was a difficult job to determine why the lights in my home were not working properly, but he methodically and patiently determined the multiple problems and repaired everything . So grateful and thankful for the same day service. Wouldn't hesitate to use again."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+17

Response time1 day
Response rate100%
27 neighbors recently requested a quote
Avatar for Michael Bonsby HVAC, Plumbing & Electrical MD
Michael Bonsby HVAC, Plumbing & Electrical MD
4.2(
134
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"I decided to cancel the repair because of cost. They made a repair that will last for a year or two and I will pay the price when this unit dies. A repair was $1,200 and a replacement was $4,300. Just too much."
Routine Maintenance
Maintenance
Mitsubish Ductless System
Outside Mitsubishi Unit
Carrier

+3

35 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Graham Solution LLC
Graham Solution LLC
5.0(
14
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"I couldn?t be happier with the experience. Graham Solution handled the entire installation from start to finish, and the quality of the work was outstanding. He was professional, knowledgeable, punctual, and paid close attention to every detail. The installation was completed efficiently, everything was left clean when the job was finished, and the system works perfectly. It?s hard to find someone who takes this much pride in their work, and it definitely shows. I highly recommend him to anyone looking for reliable, high-quality HVAC installation. Excellent workmanship and great customer service from start to finish!"
HVAC
HVAC
HVAC
HVAC
HVAC

+5

1 neighbors recently requested a quote
Avatar for Edwin's Air Conditioning & Heating, LLC
Edwin's Air Conditioning & Heating, LLC
4.9(
28
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I found Edwin on HomeAvisor/Angie's List. We were having some heat issues and wanted to have some basic maintenance. Edwin 'had extensive knowledge about each of our systems, and was able to troubleshoot and provide us with various courses of action. The attic heat pump was replaced and he was very fair with his prices. They did an excellent job, and sympathizes with his customers. He replaced the system on a Saturday."
Response time2 hrs
Response rate90%
Recommended by96%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
950
)
Central A/C - Service or Repair

Serving Ellicott City, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"JDL called within 30 min of placing my request and set up a visit. They evaluated my AC unit and agreed to repair, despite its age (more than 20 years old!). The cost was a fraction of a new unit. Their lead service tech, Isak, was great - knowledgeable, efficient and responsive to my questions. I was very impressed and will have them return for maintenance and service in the future."
NEW INSTALL
CLEANING COILS
CLEANING COILS
 CLEANING COILS
 CLEANING COILS

+118

Response time5 hrs
252 neighbors recently requested a quote
Recommended by91%of homeowners
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Showing 1-10 of 237
FAQs for central a/c service or repair projects in Ellicott City, MD

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 Ellicott City, MD 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.