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Top-Rated Air conditioning pros in Copiague - Updated Nov 2026

Avatar for AR AIR CORP
AR AIR CORP
4.9(
85
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Copiague, 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 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 Copiague, 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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Additional Photos
Additional Photos

+1

2 neighbors recently requested a quote
Recommended by96%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 Copiague, 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%
17 neighbors recently requested a quote
Avatar for Wise Aire Mechanical Inc
Wise Aire Mechanical Inc
4.7(
50
)
Ductless Mini-split A/C - Install or Replace

Serving Copiague, NY and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"Kahlil is very professional, takes his time to answer questions, arrived at appointed time even during a rain storm. During the course of the install, it was found wiring for the air conditioning needed to be changed from 110 to 220. Khalif found someone to take care of it immediately. The men working with him -Andy and Jose, were courteous, left the work site in a neat and clean order- they placed protective coverings down to protect my wood floors. We are now enjoying a comfortable evening in our home . I highly recommend Khalifa and his company"
18k Ductless unit in family room & living room
Bedroom unit
Bedroom unit
Mitsubishi Condenser
Bedroom unit

+3

Response time7 hrs
1 neighbors recently requested a quote
Recommended by91%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 Copiague, NY and surrounding areas

Approved

In business since 1991

Free estimates

Customers say: Quality work

"John and his colleague were very professional in providing me an estimate upon sizing up the job and taking measurements for a new wall mounted air conditioning unit. The unit we purchased through them was smaller than the original unit which was much larger. John and his colleague had to reconfigure the space for accommodating the more smaller, compact and energy efficient model which is more pleasing to the eye. They did the job in 2 hours working in tight quarters and carted away the old and more cumbersome unit. They did a wonderful job and we are very happy with the air conditioner and the craftsmanship. Emily Iannielli"
Response time12 hrs
9 neighbors recently requested a quote
Recommended by98%of homeowners
Chortani Services HVAC
4.6(
193
)
Central A/C - Service or RepairCentral Air Cleaner - Install or Replace

Serving Copiague, 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 All Weather Heating & Cooling
All Weather Heating & Cooling
4.5(
70
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Copiague, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I had the equipment replaced, a brand new, super high efficiency, fancy, lovely stuff. It's a central air system, and it's Lennox equipment. It's high efficiency. You can get it for less than that, but you're not gonna get the high efficiency quiet and all that kind of stuff. I had received other quotes which were like more money for the same system. I have been using them since 1986. No complaints. They do their thing, and I can't fault them. I have a service contract with them for this."
Additional Photos
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Additional Photos
Additional Photos

+13

Response time3 days
7 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Heating & Cooling Pros, LLC
Heating & Cooling Pros, LLC
4.8(
116
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For BusinessDuctless Mini-split A/C - Install or Replace

Serving Copiague, 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
20 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Zara heating & cooling
Zara heating & cooling
5.0(
13
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+2 more

Serving Copiague, NY and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of \nintegrity bound by fairness, honesty, and personal responsibility. Our distinction is the \nquality of service we bring to our customers. Accurate knowledge of our trade combined with \nability is what makes us true professionals. Above all, we are watchful of our customers' \ninterests, and make their concerns the basis of our business.

5 neighbors recently requested a quote
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FAQs for air conditioning projects in Copiague, 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 Copiague, NY homeowners’ guide to air conditioning services

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