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Find Air conditioning pros in Port Jefferson

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

Serving Port Jefferson, 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

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

Serving Port Jefferson, 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
2 neighbors recently requested a quote
Recommended by98%of homeowners
Absolute Zero Air Conditioning & Heating
4.8(
100
)

Serving Port Jefferson, NY and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"I highly recommend Absolute Zero. Kyle didnâ t try to sell me upgraded equipment, he sold me what works sufficiently and what he would install in his house. I got a few quotes for the central AC and his price was the lowest. Installed in the attic that will be renovated into a room, he worked with me and planned and installed the air handler unit and all the ductwork where heâ d leave the center of the room open and did a great, clean job. He said the AHU upstairs and condenser unit outside would be quiet, I was shocked at how quiet everything was. He protected furniture and floors while they worked and left the house clean and tidy after leaving. Iâ m extremely pleased with the work and have already referred him to others."
Response time8 hrs
3 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Comfort Ductwork Systems, Inc.
Comfort Ductwork Systems, Inc.
4.9(
73
)

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

Serving Port Jefferson, NY and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quality work

"Vinny and Dylan were nothing but professional. I was amazed how clean they were! Every day they left my house cleaner then before they got there. They got my air conditioner done in no time and itâ s absolutely perfect. Canâ t wait to use it all summer! I recommend them to everyone! Thanks again guys!!"
 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 Port Jefferson, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Outstanding service!!! Contacted Angi list and Natural Breeze (Luiz) called me within 10 minutes. Told me he could be to my home in 1hr. Was 5 minutes early and had my heating system working within an hr. Found a faulty relay...Tested total system before cleaning up. Phenomenal service, honest and great and very fair price!!!!! He is a keeper on my list for future issues....Thanks"
Heating & A/C Project
Heating & A/C Project
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+25

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

Serving Port Jefferson, 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 Port Jefferson, 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(
51
)

Serving Port Jefferson, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Mr. Joe Buleje gave us Outstanding Service and Professionalism We want to take a moment to recognize Mr. JOE BULEJE for providing truly outstanding professional and exceptional service during our recent air conditioning repair. From start to finish, he was extremely helpful, friendly, and approachable, taking the time to explain everything clearly and answer all of our questions with patience and professionalism. What impressed us most was his deep knowledge and expertise, he diagnosed the issue, offered clear solutions, and ensured the system was running perfectly before leaving. It’s rare to encounter a technician who combines technical skill, attention to detail, and outstanding customer care at such a high level. His professionalism and dedication made what could have been a stressful situation feel completely manageable. He is a true asset to your company, and because of his service, we would gladly recommend your company to anyone in need of reliable heating and air conditioning support. Mr. JOE BULEJE is an excellent technician, and he went above and beyond to make sure our AC was working properly. He was prompt, polite, very skilled, and answered all our questions without getting frustrated. Truly a 10-star professional! My husband and I had a fantastic experience with this skilled technician. He provided top-notch service with a friendly attitude and really the quality of his work and professionalism deserves more than 5 stars so therefore we are giving him 10 STARS. If anyone is looking for an AIR AND HEATING TECHNICIAN HIRE MR JOE BULEJE. He is the BEST!!!! Ask for him by his name. We thank you Mr. Buleje ⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐"
Condenser cleaning
Condenser cleaning
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+11

Response time9 hrs
4 neighbors recently requested a quote
Recommended by81%of homeowners
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FAQs for air conditioning projects in Port Jefferson, 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 Port Jefferson, NY homeowners’ guide to air conditioning services

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