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Find Central a/c service or repairers in Welcome

Avatar for McCarthy Services
McCarthy Services
4.2(
370
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"This company was prompt, gave us a reasonable price, and the system is working very well. We give them an excellent rating for their service, and would recommend them to anyone who needs HVAC repair or replacement."
Installing a new A/C system.
288 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Blue Dot
Blue Dot
4.1(
349
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

Approved (Corporate)

In business since 1982

Free estimates

Emergency services offered

"SALES MEN TOTALLY AND COMPLETLY EXPLAINED EVERYTHNG & ANSWERED ALL QUESTONS. ALL WERE ON TIME ALL 10 DAYS, VERY POLITE. SUPERVISOR KEPT ME INFORMED EVERY STEP OF THE WAY. VERY MUCH APPREICATED. CLEANED UP AFTER EVERYDAY,. EXCELLENT WOULD GIVE THEM 10 STARS IF I COULD. GREAT COMPANY. THEY ALWAYS CHECKED TO BE SURE SUBCONTRACTORS WORK WAS SUPERIOR & DONE CORRECT. THANK YOU TO ALL WHO WORKED ON MY LARGE PROJECT. MRS. L INSUTALED TWO CENTRAL AC/HEAT SYSTEMS. AND ALL THE DUCK WORK."
System Installation
409 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"I found this firm on AL and based on the ratings, I hired them to do an annual service check-up on my heat pump. The technician arrived promptly on the date and time we set up. He was thorough, knowledgeable, friendly and professional. I asked him to clean a dusty wall grate and he did it without complaint or additional charge. And $69.95 is more than reasonable for this work. I will definitely use McCrea to service my heat pump from now on."
Additional Photos
Additional Photos
Additional Photos
10 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for ARS of Maryland
ARS of Maryland
4.1(
177
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"Darryl McDowell, the technician from ARS of Laurel, did an outstanding job while performing my AC tune-up/inspection. He was extremely knowledgeable and very professional; explained all findings in a thorough and easy to understand manner. As a result of his honest assessments and diligence in addressing all issues in a very comprehensive manner, I feel confident moving forward with needed repairs and/or system replacement. Without a doubt, he provided the best service ever!"
New System Installation
588 neighbors recently requested a quote
Recommended by73%of homeowners
United Air Temp, Air Conditioning and Heating
New to Angi
Central A/C - Service or Repair

Serving Welcome, 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.

Su-Coy Heating A/C & Duct Cleaning
5.0(
42
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"I called and scheduled an appointment for repair of our central air conditioning unit. These guys are on point! Sucoy showed up on time and knew exactly what the problem was and advised me on what I should do. He was very knowledgeable to say the least and a super nice guy. I would highly recommend this company to anyone looking for an excellent HVAC company! I see now why they are rated so highly on Yelp and they deserve the great ratings."
Recommended by100%of homeowners
Avatar for ABS Unlimited Auto Repair
ABS Unlimited Auto Repair
4.8(
77
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

In business since 1987

Free estimates

Credit card accepted

"ABS provided professional services in resolving a problem no one else had accomplished. They completed the repairs in a timely manner and a satisfactory cost. We plan on using their service in the future and would recommend them to others."
Owner with Daughter
The Team
Tim and Betsy Briggs
Additional Photos
Additional Photos

+5

Recommended by96%of homeowners
Avatar for Valpo Services
Valpo Services
4.7(
23
)
Central A/C - Service or Repair

Serving Welcome, MD and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Valpo Services provided a great service from start to finish. Our house was built in 1925 and did not have air duct only window air conditioning units.
After we made the necessary research and requested several quotes, we decided
to use Valpo Services for the installation of a Central Air Unit. Walter came
to our home and provided us with several different options for a Central Air
Unit that would fit our home and needs. For the first time we did not feel pressured
to buy a specific Unit. At the end of the day Walter provided us with a really
competitive quote and showed us a timeline for the installation. Our questions
were always answered on a timely manner. Walter, Hector, Alex and the rest of
the team were always on time, worked hard to make sure the unit was installed on
time and always made sure we were satisfied with the work.  We are very pleased with the quality of work,
service and professionalism the company provided us with. We will highly
recommend Valpo Services to colleagues and friends and we will certainly continue
to use their services.
"
Additional Photos
Recommended by84%of homeowners
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Showing 1-10 of 128
FAQs for central a/c service or repair projects in Welcome, 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 Welcome, 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.