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Find Central a/c service or repairers in Maryland-line

Avatar for Heating & Cooling Certified Mechanic
Heating & Cooling Certified Mechanic
5.0(
35
)

Serving Maryland-line, MD and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"This AC repair team was EXCELLENT !!! Exceed my expectations. Michael communicated with me from the initial text message to when he team would be arriving. He was patient answering my questions, went through each step of his process over again to make sure AC would continue to run properly."
Installation
Installation
Installation
Installation
Installation

+20

24 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Bamford Plumbing and Heating Inc
Bamford Plumbing and Heating Inc
4.8(
65
)

Serving Maryland-line, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"We have used Doug 2 other times before, and had nothing but great experiences with him. When our pipe froze, he immediately came out to assist. And when I say immediately, I mean 11:30 PM.  We had hoped to see him in the next day or so, but he came that evening. We were more than appreciative.  The job required him to come back the next morning to complete, and he was here less than 10 hours later. We were without water for less than a day thanks to Doug.  I cant begin to tell you how professional he is, he took the time to explain why this occurred, what would prevent it in the future, and what to expect going forward.  With Doug, everything is above board, and there are no hidden costs.
"
Do you know if your sump is still working? We also have sump pumps avialable to protect you from power outages. That’s right no power no problem forget about the “battery back up” sump pumps if you have municipal water supply this is the way to go call today for details !
Tankless
Power Vent
Gas and Electric
Tree roots giving you problems with your drains? Have us come out today and try a Rootx root treatment !

+2

4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Blue Dot
Blue Dot
4.1(
345
)

Serving Maryland-line, 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
503 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for No-Frost Air Conditioning & Heating, LLC
No-Frost Air Conditioning & Heating, LLC
4.7(
411
)

Serving Maryland-line, MD and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"This is an excellent company. We have used them for year to service our heating and air conditioning units. It became necessary to think about replacing the units. We have two. Decided to replace both at the same time. They came out on a Monday and gave us an estimate and came out on Thursday and Friday to do the work. They totally cleaned up after themselves and made sure everything was working properly. Then they called a few days later to see that everything was working well. I highly recommend this company. All the technicians are polite and competent. The office staff is nice beyond belief. If you need any heating/AC work done, this is the company to do it."
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Response time9 hrs
29 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for BPPW Heating & Cooling
BPPW Heating & Cooling
4.3(
18
)

Serving Maryland-line, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Tyrone replaced the whole HVAC system and he is a courteous and professional, licensedHVAC tech. I would not hesitate to hire him again for my HVAC needs.."
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+2

Response time6 days
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Farnen & Dermer, Inc.
Farnen & Dermer, Inc.
2.9(
32
)

Serving Maryland-line, MD and surrounding areas

Approved

In business since 1902

Free estimates

Emergency services offered

"The repair man was extremely courteous & professional. They did exactly what they said they would do, and did everything promptly."
Luxaire Modulating Furnace
3 Trane AC units
Before
After
Response time50 mins
8 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)

Serving Maryland-line, MD 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
Avatar for Sila Heating, Cooling and Plumbing
Sila Heating, Cooling and Plumbing
4.6(
2,180
)

Serving Maryland-line, MD and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"Very easy company to work with, fast response, clear communication, notifications of when the tech was coming out, he explained the fix he implemented, he was polite and easy to work with. I needed a repair to the air conditioning unit at the rental property I have, and Sila was great to work with. I ended up signing up for their annual service program - it was a great deal and I feel like I received fair and honest treatment from the company, so I'm going to use them going forward for a/c repairs at my rental and my personal home."
Additional Photos
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+4

10 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Hamilton Plumbing, Heating & Air Conditioning
Hamilton Plumbing, Heating & Air Conditioning
4.9(
141
)

Serving Maryland-line, MD and surrounding areas

In business since 1978

Free estimates

Credit card accepted

"The only company that was willing to work on my A/C under the summer heat in the attic and did an excellent job diagnosing and fixing the problems. I'm really happy with the results."
Toilet before and after
Shower diverter before and after
Response time3 days
Recommended by98%of homeowners
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Showing 1-10 of 116
FAQs for central a/c service or repair projects in Maryland-line, 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 Maryland-line, 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.