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Top-Rated Central a/c service or repairers in Carlisle - Updated Nov 2026

Avatar for Genove Oil & Air Co
Genove Oil & Air Co
4.7(
217
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

"We were very pleased with the work that the Genove technicians did. They removed our 40-year-old gas boiler and associated water heater and replaced it with a new system. They tested the new system carefully, put explanatory tags on all of the relevant pipes and faucets, and cleaned up well. The team members were polite and worked hard. We had similarly good experiences when Genove technicians came to repair our central AC system. They were knowledgeable and efficient, got the system going again, and the price was fair. We continue to use this company for heating and AC repairs."
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+2

Response time12 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"Airco is a great family-owned and operated business, very fair and knowledgeable. They replaced our forced air central heating system (oil) in a day, and were quick to respond and get to work despite how busy things were during the January cold-spell. I would highly recommend for your heating and cooling needs!"
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+4

Response time2 days
1 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Milltown Plumbing, Heating, AC, Drain Cleaning & Electrical
Milltown Plumbing, Heating, AC, Drain Cleaning & Electrical
4.4(
200
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 1979

Credit card accepted

Customers say: Super punctual

"Overall, I was pleased about working with Milltown. There was a slight communication issue, but I understand that can happen from time to time. The technician who performed the service was extremely nice and knowledgable."
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8 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Ace Hardware Home Services
Ace Hardware Home Services
4.5(
53
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved (Corporate)

In business since 1967

Free estimates

Emergency services offered

"Diagnosis and repair were straightforward and the talented Mike, who has done other great work for us on our ACs, had a replacement pump in his truck. Swapped over in under an hour. Cost of the repair was quite high, mainly due to very high price they charged for the pump. A Taco pump that I could buy for $175 was priced on this repair at more than $500. I get that it was an urgent situation and I’m happy to pay reasonably for the response but that mark-up bothered me. I called the office, had a long talk with the owner; sadly, she offered no consideration at all. Yes, it’s hard to find and keep skilled techs, but now seems that most HVAC firms have a business model like a car dealer’s service dept, far more corporate, less flexible or customer-considerate."
Heat Pump
Mitsubishi Hyper Heat
Multiple Ductless Heat Pump Installation
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+6

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for Rodenhiser Home Services
Rodenhiser Home Services
4.4(
522
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 1928

Emergency services offered

Warranties offered

"They were extremely responsive and professional. Someone was dispatched to my home within 24 hours. He accurately diagnosed the problem - that the condensate pump had failed and needed to be replaced. He offered to replace it immediately because he had the part on his truck. The price quote ranged from $1350-$2100 depending on length of warranty I preferred. This seemed extremely high because I had the part replaced once before 3-4 years ago by another company for approx $400. I mentioned that to the installer; he indicated that the price was the price and he was sorry he couldn’t lower it. I found the identical pump online for prices ranging from $35-$75! It looked like an easy swap, so instead of paying Rodenhiser, I ordered the part from Amazon, received it the next day. I have zero experience or training and was able to swap it and fix the problem in literally 10 minutes. I understand that service companies need to charge for labor and mark up parts costs, but a repair I could do in 10 mins for under $50 should not have carried a $1350+ price tag! This was very disappointing, and I will not use them again."
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28 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Pinnacle HVAC
Pinnacle HVAC
4.1(
49
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 2001

Free estimates

Credit card accepted

"My central air conditioner broke on the hottest day of the month. Jay made time to come over to fix our unit. He was prompt, efficient and has all the high gears to support his business. -Newton"
20+ year old system
Viessmann Boiler
Viessmann Boiler
Viessmann boiler
Kitchen system

+4

Response time10 mins
Recommended by91%of homeowners
Avatar for Atlantic Heating & Air Conditioning
Atlantic Heating & Air Conditioning
4.1(
153
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"Contacted company to obtain estimate along with other companies. Darren was very responsive even though he was headed out on vacation for a long weekend. He did follow-up with email to make sure I understand his proposal which none of the other companies did that provided an estimate. I did contract with Atlantic to replace my old system which was 20+ years old. They came to the house (Darren, Liam and Adam) before starting the work so they could review the plans for starting the following Monday. They did confirm everything with me including the start time. I was contacted at the end of each day with an updated status on the work. The job took two and 1/2 days to complete and the basement was left clean after their work. Communication was excellent as well as explaining what they may need to do in the basement to ensure that everything was up to current code. Both Liam and Adam were professional and polite."
Response time3 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Milltown Plumbing, Heating, Cooling and Electrical - HVAC
Milltown Plumbing, Heating, Cooling and Electrical - HVAC
4.3(
424
)
Central A/C - Service or Repair

Serving Carlisle, MA and surrounding areas

Approved

In business since 1979

Warranties offered

Small jobs welcome

"My central AC system had gone several years without service so I wanted it brought back to peak efficiency and this is exactly what Jay did. After changing some parts and cleaning it, he pronounced it as running perfectly. Jay was very friendly, courteous and professional and his can-do philosophy assured me that the system would be running well and I could depend on them to keep it that way."
The Milltown Team
Family Owned and Operated
We're Ready When You Need Us
Our Mission
Team Photos

+13

Response time9 hrs
Recommended by89%of homeowners
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FAQs for central a/c service or repair projects in Carlisle, MA

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 Carlisle, MA 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.