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Find Air conditioning pros in Patchogue

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

Serving Patchogue, 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."
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+1

2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Legend Air
Legend Air
5.0(
16
)

Serving Patchogue, NY and surrounding areas

Approved

Free estimates

Offers commercial services

"⭐⭐⭐⭐⭐ Absolute Pros – Highly Recommend Legend Air! I cannot recommend Legend Air enough! We recently had them out to troubleshoot our central air and heating system, which ultimately required a full replacement of our outdoor condenser unit. From start to finish, the entire experience was flawless. * **Honest & Diagnostic Expertise:** The technician arrived right on time, quickly diagnosed the issue, and took the time to explain exactly what went wrong with our old unit. I never felt pressured; they laid out all our options clearly. * **Flawless Installation:** The crew that handled the condenser replacement was professional, efficient, and incredibly respectful of our home. They worked fast but didn't cut any corners, ensuring the new central AC and heating lines were perfectly calibrated. * **Top-Tier Customer Service:** Their communication was fantastic throughout the whole process, and their pricing was fair and transparent."
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning
Ductless deep cleaning

+23

Avatar for Comfort Ductwork Systems, Inc.
Comfort Ductwork Systems, Inc.
4.9(
73
)

Serving Patchogue, 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
30 neighbors recently requested a quote
Recommended by94%of homeowners
New York HVAC Corporation
4.3(
60
)

Serving Patchogue, 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
2 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Natural Breeze LLC.
Natural Breeze LLC.
4.9(
17
)

Serving Patchogue, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"So quickly and amazing. Natural breeze came next day to get me a new hot water heater. Mine was leaking and making a mess in my basement and Natural breeze came to the rescue. Excellent service."
Heating & A/C Project
Heating & A/C Project
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+25

4 neighbors recently requested a quote
Recommended by47%of homeowners
Avatar for All Weather Heating & Cooling
All Weather Heating & Cooling
4.6(
68
)

Serving Patchogue, NY and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
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+13

Response time3 days
12 neighbors recently requested a quote
Recommended by94%of homeowners
Chortani Services HVAC
4.6(
193
)

Serving Patchogue, 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 Elm Air Conditioning Corp
Elm Air Conditioning Corp
4.4(
81
)

Serving Patchogue, NY and surrounding areas

Approved

In business since 1952

Free estimates

Warranties offered

"As a Full-Service Contractor and Residential Builder in Nassau County, we at HOMEREDI have relied on the Expert Team of Technicians and Installers from ELM Air Conditioning in Freeport Long Island for all of our discerning Clients HVAC requirements. The entire staff from the Operating Owners to every individual member are always willing to push the envelope forward when it comes to meeting our deadlines and delivering a superb product in a timely fashion. Not only we team up with ELM but we also capitalize on their vast reach and knowledge for our own residential air conditioning Service installation and continued maintenance Service. We highly recommend ELM Air conditioning not only to our Clients but to our Neighbors across the Island."
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17 neighbors recently requested a quote
Recommended by78%of homeowners
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FAQs for air conditioning projects in Patchogue, 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 Patchogue, NY homeowners’ guide to air conditioning services

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