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Find Central a/c service or repairers in Unionville

Avatar for Tetteris HVAC
Tetteris HVAC
4.7(
192
)
Central A/C - Service or Repair

Serving Unionville, MD and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"My experience with him was top notch. He was accommodating to my schedule. I work nights and he was willing to come to my home in the early evening instead of normal business hours. He assured me the fix of the leak would hold until the end of summer but there was a chance that I may need a new unit next summer since the unit is over 10 years old and the leak was pretty severe. I had no other trouble with the unit the rest of the summer. His price was reasonable and he was friendly and efficienct. If I need a new unit next summer I will definitely use Tetteris Heating and Air for the replacement."
Additional Photos
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4 neighbors recently requested a quote
Recommended by94%of homeowners
Markool Heating & Cooling, LLC
4.7(
21
)
Central A/C - Service or Repair

Serving Unionville, MD and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"⭐⭐⭐⭐⭐ Exceptional and Honest Local Service"I cannot recommend Markool Heating & Cooling enough! They were prompt, incredibly professional, and truly care about getting the job done right without overcharging. As a smaller local business, you get highly personalized care and direct communication with the people actually doing the work. They are my go-to for all HVAC needs.""
Response time7 hrs
3 neighbors recently requested a quote
Recommended by84%of homeowners
Dave's Mechanical Services
5.0(
1
)
Central A/C - Service or Repair

Serving Unionville, MD and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

Response time4 hrs
Recommended by100%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - Service or Repair

Serving Unionville, 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 TriState Home Services
TriState Home Services
4.6(
204
)
Central A/C - Service or Repair

Serving Unionville, MD and surrounding areas

In business since 1949

Free estimates

Emergency services offered

"I found TriState Home Services on Angies list and contacted them. Since it wasn't an emergency I scheduled them to come out the following day. The Plumber (Chris) did a great job assessing the problem with the leaky faucet and indicated that given the age of the faucet (41 years), he could attempt to repair it but wouldn't guaranty how it would last and recommended that I replace it. I agreed with his advice especially considering the price comparison of repair vs. replace - the price was reasonable. The quality of the work top notch, on time, and as promised. I would recommend TriState Home Services and will use them in the future."
Furnace Tune Up
Floor Heating System
Additional Photos
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+2

Response time1 day
Recommended by91%of homeowners
Avatar for Tetteris hvac
Tetteris hvac
4.7(
181
)
Central A/C - Service or Repair

Serving Unionville, MD and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"The owner was quick to check in, and he was able to reschedule the appointment to a earlier day. The service tech was on time, courteous, well-trained, and capable of logically solving the problem. The repair involved a 48 year old Montgomery Wards central air system with a new contactor, relay, and some wiring. USA made products do last! This was the first time I used Home Advisor."
Ductless Mini-split install.
Gas furnace & Ac install.
Full system install
75 ton roof top package unit install
Goodman

+1

Response time5 hrs
Response rate89%
Recommended by95%of homeowners
Avatar for Continental Services
Continental Services
4.9(
17
)
Central A/C - Service or Repair

Serving Unionville, MD and surrounding areas

In business since 1983

Credit card accepted

"I have used Continental Services for many years.   They are always on time, friendly and knowledgable.   My system is 17 years old and I plan to use Continental when it comes time to upgrade to a newer system.
"
Recommended by100%of homeowners
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FAQs for central a/c service or repair projects in Unionville, 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 Unionville, 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.