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Find Air conditioning pros in Union

Avatar for Pipe Works Services, Inc.
Pipe Works Services, Inc.
4.0(
93
)

Serving Union, NJ and surrounding areas

Approved

In business since 1990

Free estimates

Emergency services offered

"Extremely friendly staff! They made accommodations to come out same day and were very friendly & knowledgeable. I’ve been using them for every furnace/central air need since I moved into my home in 2018. 10/10 recommended!"
Lennox AC Replacement
NTI Boiler Upgrade/Replacement and Repipe
Lennox Furnace, pure air and steam humidifier
Repipe for NTI Boiler
Lennox AC Replacement

+22

2 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Challenger Heating & Air Condition Corporation
Challenger Heating & Air Condition Corporation
4.8(
454
)

Serving Union, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"My central A/C return in the attic had a clog and Challenger, which is the best Heating and Air Conditioning Corporation in the Universe, came over a day early and so fast and fixed the clog in the A/C return right away. I love this company. My wife, Debra Jean keeps saying she's a Challenger girl for life and she means it. And the costs are so reasonable and I can't thank you enough for coming over a day early to literally save our lives. If you are in the area where Challenger works, look no further, call them. They are wonderful beyond belief."
Furnace & water tank
Furnace & water tank
Coil Replacement
Coil Replacement
Boiler replacements

+11

Response time3 hrs
52 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Green Ductors
Green Ductors
4.7(
341
)

Serving Union, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Warranties offered

"Now I feel safe turning on the unit after the ducts and the sealing was done and cleaning my air condition and my dryer and bath room filter and my condenser outside and putting a new cover for the vent outside of my dryer. After seeing the pictures it was worth the price."
Dmytro Malymonenko NADCA certificate
Dirty Cooling Coils and Blower Motor
Bad cough, no fresh air
Air Duct after 8 years
Coils Cleaning

+369

Response time1 day
7 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for ALB Pro Services Heating & Cooling
ALB Pro Services Heating & Cooling
5.0(
7
)

Serving Union, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Offers commercial services

"Thorough professional, well mannered and respectful, did excellent job doing my air conditioning units, punctual and made sure that all the units are working after installation. Would definitely recommend anyone."
Response time7 hrs
16 neighbors recently requested a quote
Avatar for Dimatic Control, LLC
Dimatic Control, LLC
4.6(
46
)

Serving Union, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Sheldon was prompt arriving within an hour of my call and fixing the air conditioning quickly. He explained all steps of the fix and even showed me where to replace the A/C filters!"
 Old 3 Ton Condenser
 Old 3 Ton Condenser
 New 3 Ton 13 Seer Condenser on Pad
  New 3 Ton 13 Seer Condenser
  New 3 Ton 13 Seer Condenser on Pad

+26

Response time6 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for SOS Work Services
SOS Work Services
4.5(
141
)

Serving Union, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Emergency services offered

"Elaine S. Rahway, NJ I had two installations done, a furnace and a central air conditioning unit .When I contacted Rob, he sent Mike out the next day he evaluated the situation gave me his advice. I contacted Rob right away to let him know that I would be using his service. So happy I chose SOS, they were prompt and professional. Im pleased with the equipment. Any one asking for their service I would highly recommend SOS"
Kitchen
Kitchen
Kitchen
Kitchen
Kitchen

+170

Response time8 hrs
Response rate89%
10 neighbors recently requested a quote
Avatar for Hearth & Home Mechanical, LLC
Hearth & Home Mechanical, LLC
5.0(
15
)

Serving Union, NJ and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Rocco is the most honest and sincere businessman. He has full knowledge of my air conditioning and heating units with everything working to its maximum capacity."
Ductless Mini Split
Ductless Mini Split
Ductless Mini Split
Ductless Mini Split
Ductless Mini Split

+5

Response time5 hrs
Response rate91%
23 neighbors recently requested a quote
Avatar for AJ Perri, LLC HVAC
AJ Perri, LLC HVAC
4.2(
23
)

Serving Union, NJ and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"Our sales rep Matt was great. He explained everything in great detail, Install was fast, next day in fact. Work was done in about 6 hours. They kept the area clean. Purchased both heating unit and AC unit. The price was a little on the high side of the average."
New system installation
1063 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Ray's HVAC
Ray's HVAC
4.7(
252
)

Serving Union, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Ray came right over and provided a simple Ray cam right away and was able fix to my air conditioner problem, and for a reasonable price. He was very pleasant, informative and easy to work with My system is quite old and won’t last a lot longer but the fix bought me a few years. I would recommend him to anyone?"
New heating system with steam humidifier
Expert equipment rigging
Packaged Trane high efficiency equipment
Emergency replacements
Piping

+1

Response time6 hrs
Response rate88%
148 neighbors recently requested a quote
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Showing 1-10 of 650

FAQs for air conditioning projects in Union, NJ

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 Union, NJ homeowners’ guide to air conditioning services

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