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Find Central a/c service or repairers in Dayton

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

Serving Dayton, 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%
39 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 Dayton, 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
12 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 Dayton, 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%
26 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 Dayton, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"The Service Technician was very professional and explained things. I signed a service agreement with the company for our two-zone system. So far so good. Our furnaces were serviced."
Routine Maintenance
Maintenance
Mitsubish Ductless System
Outside Mitsubishi Unit
Carrier

+3

38 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
950
)
Central A/C - Service or Repair

Serving Dayton, 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
267 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Blue Dot
Blue Dot
4.1(
350
)
Central A/C - Service or Repair

Serving Dayton, MD and surrounding areas

Approved (Corporate)

In business since 1982

Free estimates

Emergency services offered

"I called a few HVAC companies on a Saturday morning, due to my A/C only blowing cool to warm air. After speaking with a couple of other companies that advertised as providing 24/7 service, Blue Dot was the only company that would come out on that Saturday. The technician that came out was named Dwight ("DJ"). DJ was exceptional! He took the time to explain what he was doing and why it was necessary. He also provided tips on how to maintain the a/c unit to keep it running efficiently. He was courteous, professional, and patient with answering my questions with a positive attitude. He repaired the unit during the visit. DJ turned a stressful situation (worrying about the possible repair) into a smooth and reassuring experience with his expertise and positive attitude."
System Installation
428 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Pipeworks Plumbing, Heating, and Air
Pipeworks Plumbing, Heating, and Air
4.8(
622
)
Central A/C - Service or Repair

Serving Dayton, MD and surrounding areas

Approved

In business since 2016

Emergency services offered

Small jobs welcome

"Customer service was communicative but not pushy. The technician, Nelson, was skilled, prompt, knowledgeable and above all else honest. I highly recommend this company and will certainly be contacting them in the future for all of our HVAC repairs and for our system replacement when the time comes."
Lennox 14ACX (Photo 1)
Lennox XC16
Trane Heat Pump 5
Its the details that count
Lennox 14ACX (Photo 2)

+66

Response time2 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Carroll Mechanical, Inc.
Carroll Mechanical, Inc.
5.0(
20
)
Central A/C - Service or Repair

Serving Dayton, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"I would absolutely recommend Carroll Mechanical. Their customer service was exceptional. After our heat pump failed, I reached out to learn more about upgrading our system. I spoke with Janel and she quickly scheduled an appointment for their expert (Chris) to come out to our house and talk us through our options. He educated us on the different systems on the market and the pros and cons of each. He was honest and not pushy (unlike some companies in the area?). The quote they sent was detailed and transparent. We decided to go with a new energy-efficient system and were able to schedule the install for the next day. The high efficiency system qualified for a tax credit and utility company rebate, which Carroll Mechanical handled for me. That added up to $4k of savings!! The install team was professional, courteous, and took their time to make sure everything was installed correctly. What i loved the most was the attention to detail. They took the time to explain how to operate the"
Trane Heat Pump
Carrier AC + Furnace
Response time5 hrs
105 neighbors recently requested a quote
Recommended by22%of homeowners
Avatar for No-Frost Air Conditioning & Heating, LLC
No-Frost Air Conditioning & Heating, LLC
4.7(
411
)
Central A/C - Service or Repair

Serving Dayton, MD and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"Amazing! These really know how to up the anti, regarding customer service. Where other folks quoted me at $300 for a look see (to include travel), charged me around $270 for everything. Now mind you, my hubby had already purchased the UV-C light and installed the electrical outlet. Even if he hadn't, I will still receiving estimates that were astronomical. No Frost followed up emails and phone calls. We were seen in a timely manner. There no hidden fees. I felt this company in being honest and I loved that Thank you note. No Frost - you guys Rock!"
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
Response rate100%
18 neighbors recently requested a quote
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FAQs for central a/c service or repair projects in Dayton, 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 Dayton, 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.