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

Avatar for Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
4.5(
5,404
)
Central A/C - Service or Repair

Serving Exeter, NH and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

Live Your Most Comfortable Life with a Company You Trust. \nWe offer Same Day Service and Next Day Installation! \n \nSila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it?s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe ? season after season. \nWe guarantee satisfaction and are proud to have earned over 7,000 ?A? ratings on Angie?s List and its prestigious Super Service Award!

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+6

58 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Kevin Russo HVAC
Kevin Russo HVAC
4.9(
71
)
Central A/C - Service or Repair

Serving Exeter, NH and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Kevin responded to my phone call asking for a quote. He arrived for our appointment on time. He was friendly, informative, and efficient. Kevin will be my first call the next time I have an HVAC problem or project."
HVAC INSTALLS
Samsung
HVAC INSTALLS
York  condenser
HVAC INSTALLS

+2

Response time2 hrs
Response rate88%
Recommended by97%of homeowners
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Central A/C - Service or Repair

Serving Exeter, NH 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 Palmer Gas & Oil
Palmer Gas & Oil
4.6(
89
)
Central A/C - Service or Repair

Serving Exeter, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1932

Free estimates

Emergency services offered

"Through the several steps of getting this generator project done Palmer was on time and on task always. Their communication is outstanding from Michelle's initial visit and proposals through tank delivery by Corey and most centrally through all of Steve's installation work and coordination with inspectors, electricians and me. Two weeks later first power outage and everything worked like a charm. I just started with Palmer four months ago and added oil delivery and service to my generator work and I've been pleased with everything in the office and field. Very grateful."
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+11

1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for NextGen Aire
NextGen Aire
4.8(
10
)
Central A/C - Service or Repair

Serving Exeter, NH and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Talked to Matt the owner one very hot Sunday in June when my A/Cs were not working. I had my regular folks tell me it was shot and had a leak. Matt sent his team out on Monday and the A/Cs were up and running in about 40 minutes. There was no leak. They worked beautifully all summer. My neighbor's went out this year - her unit was about 5 years older than mine. I gave her NextGenAire's contact info and she just replaced her unit. She is very happy with the price and service."
Furnace Replacement
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+19

Response time3 hrs
34 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for FUEL NRG LLC
FUEL NRG LLC
4.2(
178
)
Central A/C - Service or Repair

Serving Exeter, NH and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"The repair technicians were professional, prompt, and effective. They quickly scoped out the problem, suggested the solution, and fixed my system. They seemed knowledgeable and did not pressure me for additional services. I was very happy with their service."
Gallery
Rinnai Po#3164312
Rinnai PO#3164273
Rinnai PO#3164273
6 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Maffei Plumbing and HVAC, LLC
Maffei Plumbing and HVAC, LLC
3.8(
12
)
Central A/C - Service or Repair

Serving Exeter, NH and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"Maffei worked out great, they came first to provide a quote, and then returned a few days later once I was ready to complete the work. Both the front office and field technicians were ultra-professional to work with, and I will not hesitate to hire them again in the future."
Air Conditioning Installation
Rinnai Tankless
Water Filtration
Heating Systems
Heating Systems

+6

Response time1 day
62 neighbors recently requested a quote
Recommended by12%of homeowners
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FAQs for central a/c service or repair projects in Exeter, NH

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 Exeter, NH 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.