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Find Air conditioning pros in Brentwood

Avatar for AR AIR CORP
AR AIR CORP
4.9(
81
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Brentwood, 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%
5 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 Brentwood, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"He came on time and told me that I could run a new thermostat wire myself. He gave me detailed instructions to run a new wire. He said he would not charge me any if he didn’t need to perform any work, and he didn’t charge me a penny for coming out to my house. I bought the new wires, hooked it up and now my new thermostat is working!! Saved me hundreds. Very good and honest man, highly recommended."
Additional Photos
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+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 Brentwood, 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
13 neighbors recently requested a quote
Recommended by96%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 Brentwood, NY and surrounding areas

Approved

In business since 1991

Free estimates

Customers say: Quality work

"Air conditioner died during a heat wave. John came out the same day to assess the problem. Had to take it for repair, and brought it back sooner than promised. Very happy with service."
Response time12 hrs
9 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.6(
68
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Brentwood, 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!!!"
Additional Photos
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Additional Photos

+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Chortani Services HVAC
4.6(
193
)
Central A/C - Service or RepairCentral Air Cleaner - Install or Replace

Serving Brentwood, 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
Avatar for JB Comfort Heat and Air Conditions
JB Comfort Heat and Air Conditions
4.6(
54
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Brentwood, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Joe was very respectful, personable and patient and explained what he would do and why to ensure our central air would finally work. It took ALL DAY but he installed an exhaust fan in the ceiling with attic ducts to draw out hot air, performed a chemical wash of the condenser, installed a wifi thermostat that required a new transformer and taught me how to use it. I LOVE being able to monitor indoor and outdoor temps on the app and I can see that our summer tenants are using it and that the AC is working great when needed."
Condenser cleaning
Condenser cleaning
Additional Photos
Additional Photos
Additional Photos

+11

Response time9 hrs
7 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Just Chillin HVACR, LLC
Just Chillin HVACR, LLC
4.9(
16
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Brentwood, NY and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Everyone from the owner of the business down to the technicians were very professional, cardio, and thorough Any questions that I had, they answered completely, and in a language that I understood. I would highly recommend just chillin!"
West Islip
West Islip
West Islip
Farmingdale
Farmingdale

+7

Response time10 hrs
Response rate85%
Recommended by100%of homeowners
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FAQs for air conditioning projects in Brentwood, 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 Brentwood, NY homeowners’ guide to air conditioning services

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