Top-rated central a/c service or repairers.

Get matched with top central a/c service or repairers in Maryland-line, MD

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

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

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

"Doug did a phenomenal job! Very professional and courteous staff. Not too many places these days that you feel go above and beyond to provide good service - these guys are definitely like that. We work during the week and were unable to be present during installation, or later, when the work needed to be inspected.
They accommodated our schedule by sending someone out to the house to be present during the inspection. They charged a small fee, but to us, it was worth not having to take a day off from work. We were extremely happy that they accommodated our needs, and they really did not a great job. Would definitely recommend!
"
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

3 neighbors recently requested a quote
Recommended by98%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."
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
Response rate100%
19 neighbors recently requested a quote
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

"Mr. Bost did an excellent job for me for a reasonable price. I know he obtained the best deal for me on the furnace and the air conditioning unit. He answered all my questions. He was on the job when he said he would be; he was professional and courteous. The installation went smoothly, and I have had no problem with the furnace or air conditioner since they were installed in 2008."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Response time6 days
7 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

"Fantastic work! I am very pleased with the project and would certainly recommend them to anyone needing a complete HVAC system. Outstanding in all respects."
Luxaire Modulating Furnace
3 Trane AC units
Before
After
Response time50 mins
6 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 Heating & Cooling Certified Mechanic
Heating & Cooling Certified Mechanic
5.0(
35
)

Serving Maryland-line, MD and surrounding areas

Free estimates

Emergency services offered

Warranties offered

"Highly recommended! I was able to get multiple issues within my home repaired in a timely manner. Staff is professional and make sure you feel valued as a client."
Installation
Installation
Installation
Installation
Installation

+20

29 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

"Hamilton is the tops! Technician was able to fit me in his schedule on a hot,sticky weekend. I received service in less than 24 hours of my call. Everything is now running fine and my family is comfortable for the summer. i would call Hamilton in a heartbeat if I ever encounter any other problems with HVAC."
Toilet before and after
Shower diverter before and after
Response time8 hrs
Recommended by98%of homeowners
Avatar for B A R Appliances AC LLC
B A R Appliances AC LLC
4.8(
319
)

Serving Maryland-line, MD and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"Me Henry was very professional and knowledgeable. He explained the whole situation to me and gave me all options and helped me choosing the best unit. My AC was leaking freon and was beyond repair. Initially Henry did his best to make it work and it worked only for two weeks and eventually we opted to replace our unit. Mr. Henry gave me the best quote and also adjusted previous repair cost towards new unit."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Recommended by94%of homeowners
...
Showing 1-10 of 114
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.