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Find Air conditioning pros in West Islip

Avatar for AR AIR CORP
AR AIR CORP
4.9(
84
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving West Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"I had a leak in my ceiling caused by my air conditioning unit. I called AR Air Corp, and they responded right away. They quickly found that the condensate trap was the problem, fixed it immediately, and did a perfect job. They were professional, knowledgeable, and honest throughout the entire process. I highly recommend AR Air Corp for anyone looking for fast, reliable, and quality HVAC service!"
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 rate100%
6 neighbors recently requested a quote
Avatar for MSD Heating & Cooling
MSD Heating & Cooling
4.9(
74
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving West Islip, 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
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for MassAir
MassAir
4.9(
64
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+1 more

Serving West Islip, NY and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"I hired Joe from MassAir to install Central Air in our home recently. From the start he answered all my questions, always returned my calls quickly, and gave a fair price. He explained exactly what they would be doing and how long it would take, and he and his workers were professional and courteous. They did the job quickly, cleaned up after themselves, and all around provided everything he promised. Overall we are very happy with the work they did, and I would highly recommend MassAir for air conditioning work."
Furnace
Ductless mini-split
Air Handler
Condenser
Condenser

+9

Response time3 hrs
14 neighbors recently requested a quote
Recommended by96%of homeowners
Just Rite Heating and Cooling
4.9(
132
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+1 more

Serving West Islip, 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
Avatar for Comfort Ductwork Systems, Inc.
Comfort Ductwork Systems, Inc.
4.9(
73
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving West Islip, NY and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Comfort Ductwork replaced my gas boiler. The price was reasonable and the work was impeccable. When they left, the area where they worked was spotless. I wouldn't hesitate to use them for my heating and air conditioning needs in the future."
Condensing Boiler & Indirect Hot Water Heater
Central HVAC
Oil Fired Boiler & Indirect Hot Water Heater
New Install
Thermostat Control

+2

Response time11 hrs
Response rate86%
14 neighbors recently requested a quote
New York HVAC Corporation
4.3(
60
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving West Islip, NY and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quality work

"Vinny went way out of his way to go to Montauk to give me an estimate on an air conditioning unit in the downstairs and upstairs. He gave me a great price and kept me informed as to when he was picking up the ductless units and when he was going to install them. He and his son were professional and did a great job."
 HVAC
 HVAC
 HVAC
 HVAC
 HVAC

+54

Response time1 day
1 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Deer Park Ave Heating & Air Conditioning Corporation
Deer Park Ave Heating & Air Conditioning Corporation
4.4(
55
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Service or Repair - For Business+3 more

Serving West Islip, NY and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I have lived in Deer Park for the last 8 years & I believe in hiring local contractors. We were having issues with our heating & air conditioning unit not having any heat. We called Deer Park Heating & Air conditioning corp & weâ re assured he would get to us that same day. The owner himself came on the job assessed the problem & explained what the problem was, & then repaired it. He did a great job, reasonably priced and never had the same issue again. 2) We were having a heatwave several years ago & of course perfect timing , No A/C. That same day my Son was Best Man in his friendâ s wedding and needing to wear a Tuxedo, Iâ m panicking, & called Deer Park Avenue Heat/A/C the owner came within an hour and fixed my A/C unit Thank God! We never had a problem with it since. Great company & they truly know there business. Thank you again for keeping my family warm In the winter and cool when itâ s roasting outside in the summer. You have a customer for life!"
Work
Work
Work
Work
Work

+188

Recommended by92%of homeowners
JDGC General Contracting Corporation
4.7(
651
)
Window A/C Unit - Service or RelocateWindow A/C Unit - InstallWindow A/C Unit - Install - For Business+1 more

Serving West Islip, NY and surrounding areas

Approved

In business since 1991

Free estimates

Customers say: Quality work

"I am grateful that I have met this wonderful person through Angie?s list. Mr. John did an excellent job on installing my wall air conditioner. He worked very hard with his expertise was able to modify the opening and replaced with a new one. He finished fast; cleaned everything up and hauled it away. I am so pleased with his professional work that I can surely recommend to anyone who is in desperate need of a Pro! Love JDGC I can?t say enough!"
Response time12 hrs
9 neighbors recently requested a quote
Recommended by98%of homeowners
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FAQs for air conditioning projects in West 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 West 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.