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

Avatar for MSD Heating & Cooling
MSD Heating & Cooling
4.9(
74
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Ali came over to our home when we called with a concern of the air flow in our central air conditioning system. He checked the return, the air flow, the temperature at all of the vents, and the entire system. It had more to do with the age of the system and gave us suggestions on how a different filter could increase the air flow. He did all of this and refused to take any money for his time. He is a true honest professional and someone that we would recommend to everyone."
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+1

2 neighbors recently requested a quote
Recommended by96%of homeowners
Just Rite Heating and Cooling
4.9(
132
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

"Eric is very responsive when you call... Eric and his crew came on time and replaced our Central Air Conditioning System. We had one issue and they came back immediately and took care of it. Eric has great customer service and did a professional job. We would recommend him highly."
Response time5 hrs
4 neighbors recently requested a quote
Recommended by97%of homeowners
Allined Mechanical
4.8(
83
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Billy was great from start to finish. So pleasant, so patient, and very thorough! He explained everything and even checked in after the work was completed to make sure the central air was working well. Would definitely recommend for AC repair and will use him again in the future!"
3 ton system
Unfinished 1 ton
Unfinished
Unfinished
Response time6 hrs
12 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Surefire Mechanical Corporation
Surefire Mechanical Corporation
4.5(
157
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"The company communicated clearly throughout the day about when they would arrive. The service man, Mike, was very nice and even made my dog fall in love with him! He did everything that he could to help fix our problem as it was not an easy fix. This whole experience has been a good one! Thank you Home Advisor, Surefire and Mike!"
4 Zone Navien Boiler
1st Floor AC System
Hi Efficient Heat and Hot Water
Snow melt sensor
Manifold

+14

Response time10 mins
Recommended by97%of homeowners
Avatar for KS Mechanical Services Corp
KS Mechanical Services Corp
4.8(
18
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

At KS Mechanical Services we take great pride in our experience, expertise, quality and customer service we provide to meet the consumer?s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. KS Mechanical's expertly trained staff will work with you to design new systems for your home or office to keep within your budget. Our reputation is based on service, safety and quality, regardless of how large or small the job. **10% SENIOR CITIZEN DISCOUNT **FREE ESTIMATES FOR NEW INSTALLATIONS AND REPLACEMENTS **FINANCING AVAILABLE

1 neighbors recently requested a quote
Recommended by64%of homeowners
Chortani Services HVAC
4.6(
193
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 1992

Offers commercial services

Customers say: Quick response

"-came on time - curteous service Answer all question Discussed proble with ac system Duscussed reasonal replacement Curtesy check other ac unit for tune up Through in doing job Checked amp usage of ac Checked wire securely Remove old unit Clean up after job done No argument as reasonable offer Overall satisfied service Would recommand to use again for air condition service"
Response time4 hrs
Response rate100%
Recommended by97%of homeowners
New York HVAC Corporation
4.3(
60
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quality work

"Vinny and his son arrived at my house at 8:45am on Friday, 15 minutes earlier than expected (a pleasant surprise). He stuck to the price quote he gave me 8 months earlier. Their work was thorough, neat, clean and of excellent quality. The new central A/C unit is quiet and efficient. I will use them going forward to maintain and service my A/C unit as well as my furnace. I referred them to my neighbor across the street who is looking to get a new central A/C unit next year. I strongly recommend them to anyone who is looking to service or get a new central A/C unit, furnace, hot water heater, etc. You wont be disappointed. He is a man of his word."
 HVAC
 HVAC
 HVAC
 HVAC
 HVAC

+54

Response time1 day
2 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Professor Pipes
Professor Pipes
5.0(
18
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Mike provided top-notch service when repairing my furnace. His pricing was very fair, and he completed the job quickly without any issues. Mike's friendly demeanor and expertise have made him my go-to professional for any HVAC needs I may have in the future. I highly recommend Professor Pipes!"
Response time7 hrs
Response rate91%
1 neighbors recently requested a quote
Avatar for Elm Air Conditioning Corp
Elm Air Conditioning Corp
4.4(
82
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 1952

Free estimates

Warranties offered

"They installed a new air handler and compressor,my old system,also installed by them,18 years ago,had some serious repair issues. i have dealt with them for 18 years,with maintenance and checkups,have always been tyreated with courtesy,respect and top notch serice,the team that came yesterday,was prepared,knowledgeable and took extra care to not damge my home.very satisfied with the crew,installation...and never in my 80 yeras have so many nice young man,called me sir."
Additional Photos
14 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Zara heating & cooling
Zara heating & cooling
5.0(
15
)
Central A/C - Service or Repair

Serving Miller Place, NY and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Excellent customer service! The owner was on site for the entire job and handled an unexpected issue with a pipe hidden in the wall that required rerouting the ductwork. He went above and beyond by staying to finish the job, even though it meant rescheduling other waiting customers. Since he is also an electrician, I was able to complete the project without having to hire a separate contractor. Professional, accommodating, and a pleasure to work with. Highly recommend!"
10 neighbors recently requested a quote
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Showing 1-10 of 259
FAQs for central a/c service or repair projects in Miller Place, NY

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 Miller Place, NY 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.