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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon793
    Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Mountainside, NJ

*The Angi rating for Heating And Air Conditioning Service companies in Mountainside, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Mountainside, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on July 02, 2026

Find Heating and air conditioning pros in Mountainside

Avatar for V.I.P. HVAC
V.I.P. HVAC
4.7(
91
)
Central A/C - Service or RepairElectric Boiler or Radiator Heating System - RepairElectric Boiler or Radiator Heating System - Repair - For Business+12 more

Serving Mountainside, NJ and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Came to my house to fix an HVAC problem which turned out to be an electrical problem. Anton did not charge me for his time and gave me recommendations as to my next step to fix the problem. Highly recommend."
Old furnace and evaporator coil
TIGHT SPACE
Connecting the furnace & return duct together.
Finished job. Furnace & Coil
Furnace and Coil

+107

Response time4 hrs
1 neighbors recently requested a quote
Recommended by89%of homeowners
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Air Temp Service Company, Inc.
4.2(
143
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+5 more

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Air Temp worked with me on my request to coordinate the replacement of my furnace and water heater with a minor home repair job (flooring) over the course of two days. The two gentlemen who did the job were courteous, efficient, and professional. I was charged a fair price, and I was pleased with the results."
Weil Mclane bolier
Rheem hot air furnace
Buderus Boiler & ht wtr
15 zone radiant heat
Rheem A/C install

+1

Response time1 day
15 neighbors recently requested a quote
Recommended by84%of homeowners
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Avatar for Challenger Heating & Air Condition Corporation
Challenger Heating & Air Condition Corporation
4.8(
454
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Boiler or Radiator Heating System - Repair+3 more

Serving Mountainside, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"I am a attorney in Nutley, New Jersey. We had no air conditioning on the second floor of our commercial building yesterday. After our regular HVAC maintenance company claimed to be too busy, we researched an alternate and found excellent reviews for Challenger. Access to our roof AC system is a bit tricky. It was no problem for Jorge of Challenger. He easily navigated the approach and the scuttle. The AC was in tiptop share in less than an hour, portal to portal. The price charged was fair and the work was clean and professional. Challenger has a "can do" attitude and approach to HVAC. Thank you Jorge for an excellent job. Based on our experience, I am very pleased to refer this company to others."
Furnace & water tank
Furnace & water tank
Coil Replacement
Coil Replacement
Boiler replacements

+11

Response time3 hrs
60 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for Ray's HVAC
Ray's HVAC
4.7(
253
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairGas Boiler or Radiator Heating System - Repair+14 more

Serving Mountainside, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Rays HVAC responded in time and fixed the problem. Would recommend him to everyone"
New heating system with steam humidifier
Expert equipment rigging
Packaged Trane high efficiency equipment
Emergency replacements
Piping

+1

Response time6 hrs
Response rate89%
109 neighbors recently requested a quote
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Avatar for AC & Heat by Kyle
AC & Heat by Kyle
4.9(
114
)
Central A/C - Service or RepairElectric Boiler or Radiator Heating System - RepairElectric Furnace / Forced Air Heating System - Repair+9 more

Serving Mountainside, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Emergency services offered

Warranties offered

"A lifesaver! Kyle explained everything in a way that I could understand and was patient when he had to repeat himself. He is truly a professional who will be recommended to anyone looking for an honest HVAC person. Thank you again Kyle!!"
Canister
Steam Humidifier
Maintenance FOR ALL!!!
Maintenance FOR ALL!!!
Maintenance FOR ALL!!!

+22

Response time7 hrs
Response rate87%
1 neighbors recently requested a quote
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Avatar for Dawson Mechanical Contracting
Dawson Mechanical Contracting
4.8(
134
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+47 more

Serving Mountainside, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"We recently had the pleasure of hiring Dawson Mechanical to have a new Navien tankless water heater installed. This was a little more than a straightforward job since the water heater was being relocated from a utility closet to the garage which was about 20 feet away. From the time I made the first call to Dawson, I had a good feeling about this company. Dave came over within a few days on a Saturday to look the job over and give me an estimate. He is very knowledgeable and took the time to answer any questions we had. When the day came for the installation, a crew of 3 workmen arrived around 9:00 AM and did not stop until the job was finished around 5:00 PM. They did an excellent job, were very good about keeping everything clean and neat, and the workmanship was top notch. In short, we were very happy with everything and would not hesitate to use Dawson for our future plumbing/HVAC needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time7 hrs
Response rate99%
10 neighbors recently requested a quote
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Avatar for No 1 Cleaners
No 1 Cleaners
4.8(
294
)
Air Ducts & Vents - Clean

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"My vents were cleaned by Juan. He was very professional and knowledgeable. I feel very good about this company and will hire again."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

Response time9 hrs
Response rate100%
6 neighbors recently requested a quote
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Avatar for Valairco
Valairco
4.7(
224
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+47 more

Serving Mountainside, NJ and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"Great Communication, high quality work and a fair price. I also love the included free maintenance and bumper to bumper warranty for 5 years. I call them for all my HVAC needs! Also came out on the evening of a holiday to look at something for me."
24 Hour Service
Trained Technicians
Quality Products
Additional Photos
Additional Photos

+44

Response time1 day
15 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Dimatic Control, LLC
Dimatic Control, LLC
4.6(
46
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair - For Business+1 more

Serving Mountainside, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Went above and beyond by walking me through my entire hvac system when I bought my new house"
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
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Avatar for Arctic Air Conditioning
Arctic Air Conditioning
4.8(
867
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+1 more

Serving Mountainside, NJ and surrounding areas

Approved (Corporate)

In business since 1977

Free estimates

Emergency services offered

"The service tech performed the work in a total professional way. Performed a complete analysis of my furnace to ensure all was well. Was extremely friendly and took the time to respond to all my questions. I recommend arctic air to anyone seeking hvac work!"
photos
photos
photos
photos
photos

+6

140 neighbors recently requested a quote
Recommended by96%of homeowners
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Showing 1-10 of 657
Heating and Air Conditioning questions, answered by experts

Replacing both an AC and a furnace takes a full day on average, ranging from eight to 12 hours. The process involves removing the old units, installing the new ones, and ensuring all connections are properly made. If both systems are being replaced simultaneously, it can take longer than installing a furnace alone, so plan accordingly.

It all depends on the unit’s SEER (seasonal energy efficiency ratio). A higher SEER rating means better efficiency and lower costs for your energy bills. 

Take a look at the product you’re considering purchasing and compare it to other models to decide which one is affordable upfront but will keep your energy costs low over time.

Yes. Your air supply should be balanced. The return and supply ducts need to maintain that balance, and this only occurs because an equal amount of air should be entering and leaving your HVAC system. Changes in pressure, extreme weather, and blocking vents with furniture or your stuff can make the air supply unbalanced and cause your home to get too cold or hot.

The best way to compare HVAC quotes is getting a few detailed quotes from local companies with good reputations. Then, go over the quotes line by line. Protect yourself by insisting on in-person estimates that include equipment manufacturer names, model numbers, SEER ratings, amounts and numbers of materials, details of warranties on equipment and labor, and other specifics. 

Knowing the exact equipment and materials is the only way that you can fairly compare quotes. Quotes that are much lower than others can be a sign that the company isn’t providing the best quality service or materials.

Yes, you should turn off your AC if it’s leaking. Turning off the system prevents more condensation from leaking and reduces strain on the unit if a damaged internal component or lack of refrigerant is the cause. While this may temporarily stop the leak, water can continue to drip from a thawing coil even after the system is off. As soon as you notice a leak, turn off the unit and investigate the source or call a professional for an inspection.

The Mountainside, NJ homeowners’ guide to heating and air conditioning services

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

See all articles