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Find Central a/c service or repairers in Ronkonkoma

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

Serving Ronkonkoma, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Excellent service,knowledgeable,fast,reasonable price, I highly recommend to anyone that needs HVAC services."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

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

Serving Ronkonkoma, 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
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Avatar for JB Comfort Heat and Air Conditions
JB Comfort Heat and Air Conditions
4.6(
52
)

Serving Ronkonkoma, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Great service , clean , knowledgeable, honest. Would definitely hire again. Prompt"
Condenser cleaning
Condenser cleaning
Additional Photos
Additional Photos
Additional Photos

+11

Response time9 hrs
2 neighbors recently requested a quote
Recommended by80%of homeowners
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Avatar for Natural Breeze LLC.
Natural Breeze LLC.
4.9(
17
)

Serving Ronkonkoma, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"The repair man very good and professional, he answered all my questions and was very good at explaining the problem, would definitely recommend."
Heating & A/C Project
Heating & A/C Project
Additional Photos
Additional Photos
Additional Photos

+25

3 neighbors recently requested a quote
Recommended by47%of homeowners
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Allined Mechanical
4.8(
82
)

Serving Ronkonkoma, 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 by86%of homeowners
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Avatar for Surefire Mechanical Corporation
Surefire Mechanical Corporation
4.5(
157
)

Serving Ronkonkoma, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Perfect experience. Got a quick call after posting to HA. They were here the same day at time requested and fixed my central A/C unit. Jason clearly knows his stuff. I will make these guys my first call if I need work on my central A/C or heat."
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
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Avatar for Legend Air
Legend Air
5.0(
16
)

Serving Ronkonkoma, NY and surrounding areas

Approved

Free estimates

Offers commercial services

"Legend Air was outstanding from start to finish. They responded quickly, arrived when they said they would, and diagnosed the issue with my central air system right away. The technician was professional, knowledgeable, and explained everything clearly. Most importantly, they got the repair done fast and had my AC running perfectly again in no time. It's hard to find a company that combines great service, quick response times, and quality work, but Legend Air delivered on all three. I highly recommend them to anyone looking for reliable HVAC service."
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning

+23

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Avatar for MassAir
MassAir
4.9(
64
)

Serving Ronkonkoma, NY and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Truly remarkable service. Joe and his men went above and beyond to accommodate my every request with no complaints whatsoever. They were polite, knowledgeable and extremely neat completing my install with absolutely no issues. And all for a great price. I highly recommend MassAir for central air and heat installations."
Furnace
Ductless mini-split
Air Handler
Condenser
Condenser

+9

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

Serving Ronkonkoma, 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
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Showing 1-10 of 330
FAQs for central a/c service or repair projects in Ronkonkoma, 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 Ronkonkoma, 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.

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