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Find Central a/c service or repairers in Commack

Avatar for MSD Heating & Cooling
MSD Heating & Cooling
4.9(
74
)

Serving Commack, 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."
Additional Photos
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+1

2 neighbors recently requested a quote
Recommended by96%of homeowners
Just Rite Heating and Cooling
4.9(
131
)

Serving Commack, 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
5 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for JB Comfort Heat and Air Conditions
JB Comfort Heat and Air Conditions
4.6(
52
)

Serving Commack, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Mr. Joe Buleje gave us Outstanding Service and Professionalism We want to take a moment to recognize Mr. JOE BULEJE for providing truly outstanding professional and exceptional service during our recent air conditioning repair. From start to finish, he was extremely helpful, friendly, and approachable, taking the time to explain everything clearly and answer all of our questions with patience and professionalism. What impressed us most was his deep knowledge and expertise, he diagnosed the issue, offered clear solutions, and ensured the system was running perfectly before leaving. It’s rare to encounter a technician who combines technical skill, attention to detail, and outstanding customer care at such a high level. His professionalism and dedication made what could have been a stressful situation feel completely manageable. He is a true asset to your company, and because of his service, we would gladly recommend your company to anyone in need of reliable heating and air conditioning support. Mr. JOE BULEJE is an excellent technician, and he went above and beyond to make sure our AC was working properly. He was prompt, polite, very skilled, and answered all our questions without getting frustrated. Truly a 10-star professional! My husband and I had a fantastic experience with this skilled technician. He provided top-notch service with a friendly attitude and really the quality of his work and professionalism deserves more than 5 stars so therefore we are giving him 10 STARS. If anyone is looking for an AIR AND HEATING TECHNICIAN HIRE MR JOE BULEJE. He is the BEST!!!! Ask for him by his name. We thank you Mr. Buleje ⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐"
Condenser cleaning
Condenser cleaning
Additional Photos
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+11

Response time9 hrs
4 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Surefire Mechanical Corporation
Surefire Mechanical Corporation
4.5(
157
)

Serving Commack, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"I sent a message to the company in the late evening regarding my broken central AC and Jason was here Tuesday morning to look at it. He tried to repair it but was not able to due to the age of the unit and the damage. We needed a new unit and he was here to put it in first thing Wednesday morning. Took him two hours and our AC was working. He was nice and professional. We felt the price was reasonable. Would use him again and recommend his business."
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 MassAir
MassAir
4.9(
64
)

Serving Commack, NY and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"The guys at MassAir made having to get new central AC units installed, repairs on older units, new vents and ductwork, etc., actually a pleasurable experience! It is a family owned business, and I found Joe and his son Michael to be a real pleasure to work with. They are an extremely professional, proficient, knowledgeable, honest and hardworking team, and I trust them with any HVAC related projects that I have in the future. I 100% recommend giving these guys a call for your HVAC needs! -Mike Vedder"
Furnace
Ductless mini-split
Air Handler
Condenser
Condenser

+9

Response time3 hrs
10 neighbors recently requested a quote
Recommended by96%of homeowners
Chortani Services HVAC
4.6(
193
)

Serving Commack, NY and surrounding areas

Approved

In business since 1992

Offers commercial services

Customers say: Quick response

"Mongi got back to me a few seconds after I submitted on the site, and was able to come to my home to service my air handler in a few hours. He got the job done, explained it all to me, and quoted a fair price. Would definitely recommend him or use him again if I have issues in the future."
Response time4 hrs
Response rate100%
Recommended by97%of homeowners
Avatar for Garmer Industries, Inc.
Garmer Industries, Inc.
4.4(
129
)

Serving Commack, NY and surrounding areas

Approved

In business since 1965

Emergency services offered

Warranties offered

"Joe, the service technician that was sent, was well experienced in every phase of central air conditioning service and repair, he quickly diagnosed the problem and had me cooled down in no time, a no brained on who I'll call next time I need A/C service, Garmer was a great find for me!"
 Garmer Air Conditioning & Heating
 Residential Condensing Unit
 Internet Thermostats Installed by Garmer A/C
Residential Air Conditioning Installation
 Commercial Duct Work

+16

Response time6 hrs
Response rate97%
2 neighbors recently requested a quote
Avatar for Legend Air
Legend Air
5.0(
15
)

Serving Commack, NY and surrounding areas

Approved

Free estimates

Offers commercial services

"I highly recommend Legend Air for anyone looking for reliable HVAC service in Dix Hills. Chris was professional, responsive, and extremely knowledgeable from start to finish. He arrived on time, explained everything clearly, and completed the job efficiently without any hidden costs. If you need air conditioning repair, heating installation, HVAC maintenance, or emergency AC service in Suffolk County, Legend Air is a company you can trust. Chris was courteous, clean, and made sure the system was running perfectly before leaving. It’s hard to find dependable HVAC contractors in Long Island, but Legend Air exceeded expectations with quality workmanship and excellent customer service. I’ll definitely be using Chris again for future heating and cooling needs."
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning

+23

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FAQs for central a/c service or repair projects in Commack, 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 Commack, 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.