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Find Air conditioning pros in Southold

Avatar for Rezy Save NY LLC
Rezy Save NY LLC
5.0(
11
)

Serving Southold, NY and surrounding areas

Approved

In business since 2024

Emergency services offered

Warranties offered

"Zach was fantastic. Professional, reliable, and extremely knowledgeable. The sump pump installation was done perfectly, and zach took the time to explain everything. Clean work, fair pricing, and great communication. I’d absolutely recommend Zach and would hire him again without hesitation."
Aire Serv of Long Island
Aire Serv of Long Island
Aire Serv of Long Island
Aire Serv of Long Island
Aire Serv of Long Island

+4

35 neighbors recently requested a quote
Avatar for Surefire Mechanical Corporation
Surefire Mechanical Corporation
4.5(
157
)

Serving Southold, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Called on a Sunday evening and there was a serviceman at my door by 8 AM Monday morning. Mike, the serviceman, was extremely knowledgeable, professional and courteous. Will recommend this company to anyone I know who needs air conditioning or servicing. Thanks again for the speedy service and knowledgeable serviceman who repaired the air conditioner quickly!"
4 Zone Navien Boiler
1st Floor AC System
Hi Efficient Heat and Hot Water
Snow melt sensor
Manifold

+14

Response time10 mins
Recommended by97%of homeowners
Avatar for Long Island HVAC
Long Island HVAC
3.8(
6
)

Serving Southold, NY and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quick response

"Ray was friendly and very professional and you can tell immediately that he was very customer oriented. As far as prices go, he was more than fair compared to the other bids. As a matter of fact I expanded the scope of his work to include a new water heater too. All the equipment supplied was 100% new, still in the factory cartons and the installation work was TOP QUALITY. Ray not only sold me the job but he did the installation too. He and partner Ken, and their assistant (3 man crew total) worked very professionally and effectively. Needless to say I HIGHLY RECOMMEND THEM."
 Fujitsu Ductless heat pump in a classroom
Service call for a system low on refrigerant
Solar powered attic exhaust fan
Recommended by66%of homeowners
Tri Seasonal Plumbing, Inc.
4.1(
39
)

Serving Southold, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n

Kwik Kold Refrigeration of Suffolk, Inc.
5.0(
1
)

Serving Southold, NY and surrounding areas

Approved

In business since 1973

Free estimates

Credit card accepted

Kwik Kold Refrigeration of Suffolk, Inc. is proud to have established the best HVAC company on Long Island. We have serviced the area for over 40 years with a reputation for being honest and friendly to all our customers. Our main goal is to make our customers happy with whatever needs they have!

Response time5 hrs
Response rate100%
Recommended by100%of homeowners
Neftco Mechanical LLC
5.0(
1
)

Serving Southold, NY and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

NEFTCO Mechanical Heating and Cooling is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 15 years of experience serving Connecticut and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

HVAC!
HVAC!
HVAC!
HVAC!
HVAC!

+10

Recommended by100%of homeowners
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FAQs for air conditioning projects in Southold, 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 Southold, NY homeowners’ guide to air conditioning services

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