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Find Central a/c service or repairers in Dundalk

Avatar for Amazing Heating and Air Conditioning, Inc.
Amazing Heating and Air Conditioning, Inc.
4.5(
190
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Great service. On time. Good price."
Rolloff Residence
Rolloff Residence
Rolloff Residence
Rolloff Residence
Jamerson Residence

+5

Response time1 day
42 neighbors recently requested a quote
Recommended by83%of homeowners
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Avatar for Graham Solution LLC
Graham Solution LLC
5.0(
19
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"⭐⭐⭐⭐⭐ I had a great experience! He repaired my heat pump quickly and professionally. He was knowledgeable, punctual, and took the time to explain what the issue was and how he fixed it. The repair was done efficiently, and everything has been working perfectly since. It’s hard to find someone who is honest, reliable, and takes pride in their work, but he definitely does. I highly recommend him to anyone needing HVAC repairs or service!"
HVAC
HVAC
HVAC
HVAC
HVAC

+5

2 neighbors recently requested a quote
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Avatar for Blue Dot
Blue Dot
4.1(
353
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved (Corporate)

In business since 1982

Free estimates

Emergency services offered

"The repairman was professional, courteous, efficient, and friendly. We called for emergency help as the heater failed to come on, on a cold Sunday. He arrived within an hour. He quickly identified and repaired the issue. I recommend their service to all."
System Installation
537 neighbors recently requested a quote
Recommended by70%of homeowners
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Avatar for Horizon Services, LLC (MD)
Horizon Services, LLC (MD)
3.8(
1,465
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Same day AC repair! I called at 930 am and the tech fixed the AC by 2 pm. Amazing service. I bought the annual service policy for HVAC since Horizon was so prompt, professional, and knowledgeable!"
Horizon Services Heating and Cooling
Horizon Services Heating and Cooling
Horizon Services Heating and Cooling
Horizon Services Heating and Cooling
Horizon Services Heating and Cooling

+27

11 neighbors recently requested a quote
Recommended by89%of homeowners
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Avatar for Pohlman Plumbing Inc
Pohlman Plumbing Inc
4.4(
42
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"I would most definitely hire Pohlman Plumbing to care of future projects at in my home! The staff were professional, prompt/on time, and performed quality work. The office staff were also pleasant and relayed my repair concerns perfectly to the technician. If you are looking for quality work, look no further!"
Finished Shower
Finished Shower
Panoramic View
Vanity
Mid-replacement

+10

Response time8 hrs
Response rate97%
Recommended by86%of homeowners
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Avatar for VICTORY HVAC LLC
VICTORY HVAC LLC
5.0(
17
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved

In business since 2025

Emergency services offered

Small jobs welcome

"If you’re looking for a skilled, trustworthy HVAC technician who goes above and beyond, Yossi is the one to call. I highly recommend him and would absolutely use his services again."
Setting air handler
duct work
Return air box
Supply ductwork
air handler set up

+23

3 neighbors recently requested a quote
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Avatar for HVAC Detectives
HVAC Detectives
4.3(
125
)
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved

In business since 2005

Emergency services offered

Warranties offered

"John has my business for the rest of my days, very professional and quick. If you have an issue for HVAC look no further because this is the guy you need."
hvacdet
Recommended by97%of homeowners
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F.H. Furr Glen Burnie
New to Angi
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved (Corporate)

Three qualities all of our people have that make us Northern Virginia, D.C. & Maryland’s #1 Home Service Provider. That’s the F.H. Furr Difference. F.H. Furr is D.C., Maryland & Northern Virginia’s premier plumber, HVAC contractor and electrician. F.H. Furr is A+ rated by the Better Business Bureau and has consistently been voted Best of Prince William County for HVAC, Plumbing and electrical.

1 neighbors recently requested a quote
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United Air Temp, Air Conditioning and Heating
New to Angi
Central A/C - Service or Repair

Serving Dundalk, MD and surrounding areas

Approved (Corporate)

In business since 2009

Free estimates

Credit card accepted

Comfort First Heating & Cooling is the team you need for all your home solutions. Comprehensive comfort is our legacy. \n \nWe're dedicated to delivering unparalleled customer service that mirrors our core values of integrity, stewardship, and excellence. \n \nWe look forward to having you join the Comfort First family as we continue our mission of creating customers for life by earning your business.

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Showing 1-10 of 168
FAQs for central a/c service or repair projects in Dundalk, 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 Dundalk, 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.

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