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Find Central a/c service or repairers in Germantown

Avatar for Magna Tech Temp Air, LLC
Magna Tech Temp Air, LLC
4.8(
166
)
Central A/C - Service or Repair

Serving Germantown, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Albert was very prompt in replying to my request for service through Home Advisor. He was also able to repair my air conditioner the very next day. He appeared to be very knowledgable, professional and friendly."
New !6 Seer 3 Ton Air condition
B-Vent
New 80% Gas Furnace Instal
Ashburn Upgrade
Ashburn upgrade

+4

Response time3 hrs
12 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for BlueStar Air Mechanical Inc.
BlueStar Air Mechanical Inc.
4.9(
32
)
Central A/C - Service or Repair

Serving Germantown, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I contacted Bluestar Air Mechanical for a second opinion after an appointment with Air One. I have a Carrier HVAC system, and the Air One technician recommended a complete system replacement, claiming the blower was bad, the furnace control board needed replacing, and that there were other issues. Since replacing the HVAC is a big investment, I wanted to get a second opinion. It was only after comparing the service from Bluestar that I realized Air One may have been pushing for a new system sale or lacked the expertise to properly diagnose and repair the actual problems. Isaac, the technician from Bluestar, spent about an hour thoroughly diagnosing and fixing the issues. He found burnt wiring in the furnace and discovered that the wrong capacitor had been incorrectly installed in the AC. Isaac replaced the burnt wiring in the furnace and the capacitor in the AC. After these repairs, my Carrier system was back up and running—without the need for a costly replacement. Bluestar, and Isaac in particular, demonstrated professionalism, expertise, and honesty. They focused on resolving the actual issues instead of pushing for an unnecessary system replacement. I highly recommend Bluestar for their reliable service and Isaac’s thorough and knowledgeable work."
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+13

Response time3 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for McCarthy Services
McCarthy Services
4.2(
370
)
Central A/C - Service or Repair

Serving Germantown, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"I hired them to diagnose water heater issues. The first tech sent missed an electrical issue and I ended up replacing the heater. The cost to do that on a weekend as an emergency service was not bad. When the replaced water heater still had issues, they dispatched another tech at no additional charge, found the root of the problem, and I was able to get that repaired. I called their office with concerns about the necessity of replacing the heater and they actively worked to address the issue to my satisfaction. I have engaged them for maintenance services for the next two years. I would recommend them, and suggest that you review what was done during any diagnostic service to see if you agree it makes sense before proceeding."
Installing a new A/C system.
197 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
951
)
Central A/C - Service or Repair

Serving Germantown, 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
270 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Ward Services LLC
Ward Services LLC
5.0(
20
)
Central A/C - Service or Repair

Serving Germantown, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Emergency services offered

Warranties offered

"I hired Ward Services to replace my AC and furnace in 2023, then again in 2026 for my new home, as well as regular maintenance and system check up since 2023. Their service is consistently professional, and the cost is reasonable comparing to the estimates by some big HVAC companies. The lead technician always takes time to explain in detail the existing problems and options. Highly recommended."
Rheem Indoor AC Unit
Rheem Outdoor AC
Thermal Imaging
Air Sealing
Attic Cleanup

+25

Response time6 hrs
Response rate100%
Recommended by5%of homeowners
Avatar for Forage Mechanical
Forage Mechanical
4.8(
13
)
Central A/C - Service or Repair

Serving Germantown, MD and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"After having a very bad experience with another HVAC company, I used them and quickly saw how the other HVAC company was over charging. I found my technician to be very knowledgeable, hardworking and honest. He repaired one AC unit and replaced the other. Would definitely recommend!"
My work
My work
My work
My work
My work

+8

Response time7 hrs
Response rate96%
1 neighbors recently requested a quote
Avatar for Petro Home Services
Petro Home Services
4.3(
103
)
Central A/C - Service or Repair

Serving Germantown, MD and surrounding areas

Approved (Corporate)

In business since 1903

Emergency services offered

Warranties offered

"It went very well. They did a good job. The cost was over $400. I don't know whether or not that's too high or not. I seldom have plumbers in so I can't say the cost was high, although I was surprised it was $400, but that could be the going rate. He seemed very agreeable and very happy. I needed something and he was happy to get it. He was very knowledgeable and helpful in that regard. As for the quality of their service, so far so good. Everything went okay. It stopped leaking."
Additional Photos
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Additional Photos
Response time6 days
Response rate100%
17 neighbors recently requested a quote
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Showing 1-10 of 260
FAQs for central a/c service or repair projects in Germantown, 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 Germantown, 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.