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Find Air conditioning pros in East Islip

Avatar for AR AIR CORP
AR AIR CORP
4.9(
78
)

Serving East Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"Our upstairs heating wasn’t working. I called around 3am left a voice message. They returned my call when they opened around 8:30am. The serviceman Ralph’s arrived around 1pm. He examined the system explained the problem 2nd floor air bound. He bleed the system. Part of the system was frozen. He explained the process told us to wait 24 hours to see if it thawed naturally which it did. He didn’t try to upsell the service. We were pleased with the results and will continue to use this service company for our maintenance needs in the fut"
Heating and Air Conditioning Project
Heating and Air Conditioning Project
Heating and Air Conditioning Project
Heating & A/C Project
Installation of Merv13 Pleated filters I’m order to comply with State regulations.

+173

Response time9 hrs
Response rate87%
7 neighbors recently requested a quote
Avatar for K.N. Heating and Cooling
K.N. Heating and Cooling
4.8(
353
)

Serving East Islip, NY and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"After a number of calls to various companies, I reached out to home advisor looking for help ASAP with my central air that wasn't working on a Sunday when it was a 95 degree day. Within 2 minutes my phone rang and it was Kevin from KN heating and cooling. Kevin was at my house with 15 minutes. Not only did he figure out what was wrong and fix it, he found a number of other issues that need to be taken care of. Kevin was amazing and even walked me through what he was doing and explained everything to me. Not only do I recommend him, he's will now be my go to for service on my boiler and central air. Outstanding service and extremely reasonable! Wish I had him do the initial install!"
a/c change out
steam oil boiler replacement
steam oil boiler replacement
indirect hot water heater
indirect hot water heater

+13

Response time2 hrs
3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for MSD Heating & Cooling
MSD Heating & Cooling
4.9(
74
)

Serving East Islip, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"I was very happy with my experience using this company. In the middle of a heat wave, right before the July 4th holiday, my AC stopped working. The man who installed it and had been servicing it was too busy to come for a week. I called MSD and was given an appointment for 8 AM the next morning. They were prompt and courteous, fixed my problem, and were reasonably priced. I will be calling them in the future."
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+1

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

Serving East Islip, NY and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

"Eric and the guys did a great job, as stated by many they are very clean and professional. The job my Central Air Conditioning system install ended up being a little more than expected but he stuck to the price quoted went the extra effort and did a great job..... Summer come on!"
Response time5 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Legend Air
Legend Air
5.0(
15
)

Serving East Islip, NY and surrounding areas

Approved

Free estimates

Offers commercial services

"Chris was Very professional and showed up on time. Explained everything clearly and honestly. Fixed the air-conditioning quickly and it?s working great now! His pricing was very reasonable!??????????"
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning

+23

Avatar for Heating & Cooling Pros, LLC
Heating & Cooling Pros, LLC
4.7(
115
)

Serving East Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"Moh and his partner were such sweet guys, explained everything to me before starting anything and took the time to make sure everything part of air conditioning system was cleaned and in perfect working order at the capacity the air conditioner should be working. They went above and beyond. Highly recommend them!!"
Response time4 hrs
7 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Comfort Ductwork Systems, Inc.
Comfort Ductwork Systems, Inc.
4.9(
73
)

Serving East Islip, NY and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Jonathan and Crew did an outstanding job on my new Ductless air conditioning system. Great Price, Professional all the way and nice cleanup when done. Answered all my questions and I as their for the whole job. Highly recommend."
Condensing Boiler & Indirect Hot Water Heater
Central HVAC
Oil Fired Boiler & Indirect Hot Water Heater
New Install
Thermostat Control

+2

Response time11 hrs
32 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.6(
68
)

Serving East Islip, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"We were desperate to find someone to repair our central air conditioning unit. We were not able to move into the house and everyone that we called was not able to accommodate us because of the recent heat wave. All Weather was able to get a technician to us within 2 days. Nuri was amazing and showed my husband how everything worked and what repairs needed to be done. By the time he left, we had a cool house and were able to set up our movers. Thanks to Angie’s list, I found a reputable company that was reliable and efficient. We can rest easy! Thank you!!!"
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+13

Response time3 days
12 neighbors recently requested a quote
Recommended by94%of homeowners
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FAQs for air conditioning projects in East Islip, NY

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The East Islip, NY homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.