Professional HVAC Contractors in Smithtown, NY

The highest-rated Heating & Air Conditioning companies out of 184 vetted & reviewed in the Smithtown area.

Jen Air Inc

Jen Air Inc

(30)
Heating Repair & Installation, Contractor, Equipment Parts & Replacement
“John was a pleasure to work with. He explained the ductless minisplit unit in detail. The cost was reasonable and the quality of the work was superb. I felt a difference in the comfort of my living space immediately.”
Emergency Services
Coupons & Offers
Free Initial Consultation
In Business Since 2009
1507 Smithtown Ave #17, Bohemia, NY 11716
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Hmax

Hmax

(1)
“Great offering, clever and quality”
In Business Since 2004
34 E Main St, Smithtown, NY
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Suffolk Systems Inc

Suffolk Systems Inc

(3)
Boilers, Geothermal, Ductless / Mini Splits
“Suffolk Systems Inc. is a very professional and reliable Heating, Ventilation and Air Conditioning Company. They installed a new Air Conditioning system that is amazing. From the initial call with Lori to the installation everything was done perfec...”
Licensed
Family Business
Offers Financing Options
Coupons & Offers
Serving Smithtown Area
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Gold Star Plumbing

Gold Star Plumbing

(30)
  • Heating System
  • AC
  • Responsive
“I had to call Goldstar again since the heater was giving problems. As always James is competent and efficient. He installed some valves and replaced the Aquastat, and repaired some things on the boiler. Highly recommended.”
Licensed, BBB Accredited
Free Initial Consultation
Coupons & Offers
Emergency Services
Serving Smithtown Area
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Rubber Duck Plumbing Inc.

Rubber Duck Plumbing Inc.

(29)
Clogged Toilet Repair, Boiler Installation & Repair, Sewer Camera Inspection
“The Tech was Andrew and he was personable, professional, and highly skilled. Very impressive with the Tech. I know things happen, but I was pushed out a day. That is ok. I did have Stocker shock. The price was very expensive and I was not expecting t...”
Licensed
Free Initial Consultation
Emergency Services
Coupons & Offers
Serving Smithtown Area
i
Varsity Home Service

Varsity Home Service

(29)
Water Filtration, Indoor Air Quality
“Company was responsive, informative and helpful. John was polite and accessed the situation and gave perfect advice. I would recommend Varsity and the company to anyone needing help.”
Licensed, BBB Rating: A+
Family Business
Coupons & Offers
Accepts All Major Credit Cards
Serving Smithtown Area
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Gallettair Inc. Heating & Air Conditioning

Gallettair Inc. Heating & Air Conditioning

(29)
AIR Conditioning, Natural GAS, Water Heaters
“In the midst of the July heatwave, my HVAC system malfunctioned. The circuit breakers on two of three condensers were tripped, but not on the air handlers, which continued to circulate (hot) air, so it had not occurred to me to check the circuit pan...”
Licensed, BBB Accredited
Family Business
Free Initial Consultation
Accepts All Major Credit Cards
Serving Smithtown Area
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ALL Seasons Air Conditioning

ALL Seasons Air Conditioning

(27)
  • Skilled
  • Maintenance
  • Work
“Andrew was a genuine pleasure! He was incredibly well prepared and well informed. He took the time to explain everything he was doing and gave me tips and tricks on how to maintain my system. 10/10 would recommend!”
Licensed, BBB Rating: A+
Coupons & Offers
Offers Financing Options
Accepts All Major Credit Cards
Serving Smithtown Area
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ZAX Plumbing

ZAX Plumbing

(30)
Furnace Repair, Drain Cleaning
“Called today after hearing noise from air handler on the roof. Brian, the owner was here promptly to troubleshoot the problem. He explained what was wrong and is returning tomorrow am to replace parts and repair system. Very satisfied.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
Free Initial Consultation
In Business Since 1997
Serving Smithtown Area
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Cool Air Designs

Cool Air Designs

(20)
Furnace Services, Duct Work, Heat Pump Services
“Al and Megan were excellent to work with, and the installers who came to the home were friendly, competent, and knowledgeable. Al followed up frequently to make sure I was happy with the process. Highly recommended.”
Licensed, BBB Rating: A+
Family Business
Accepts All Major Credit Cards
Offers Financing Options
Serving Smithtown Area
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Ljv Mechanical

Ljv Mechanical

(30)
  • Price
  • Communication
  • Team
“Highly recommend! Lenny came on an emergency call to come charge my a/c on one of the hottest days of the year. He was quick to respond and professional. Would use him for all air conditioning needs.”
Coupons & Offers
Free Initial Consultation
Family Business
In Business Since 2021
Serving Smithtown Area
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Central Air Systems

Central Air Systems

(29)
Heating F.a.q., A/C Services, Maintenance Agreements
“This is a well run business . It shows in the professionalism and cheerful attitude of everyone I came in contact with during my repair and installation. We had a lightning strike which resulted in a difficult repair and new installation so we were ...”
Licensed, BBB Rating: A+
Coupons & Offers
Offers Financing Options
Accepts All Major Credit Cards
Serving Smithtown Area
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Therm-a-Trol

Therm-a-Trol

(29)
Air Conditioner Repair, Iwave Air Cleaner and Neutralizer, Maintenance
“As always, excellent communication, and expert, speedy service even in middle of a heat wave. I feel very lucky to have a company like this right in my neighborhood. Thanks again for taking such good care of us. Just to add, we finally realized on...”
Licensed, BBB Rating: A+
Locally Owned & Operated
Accepts All Major Credit Cards
Offers Financing Options
Serving Smithtown Area
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Richard's Heating & Cooling

Richard's Heating & Cooling

(28)
A.C. Services, Boiler Cleaning, Hot Water Services
“I had my oil burner yearly service done. He took his time to go over the system better then anyone I have had in 10 years. Really nice people who answered the phone and the guy who came here to do the service. Professional”
Licensed
Family Business
Emergency Services
Free Initial Consultation
Serving Smithtown Area
i
Ryan Anthony's Heating Service

Ryan Anthony's Heating Service

(27)
Air Conditioning, Service Contracts, Maintenance and Repair
“Contacted Ryan after being referred to him by my father, he's one of those guys you feel comfortable speaking with immediately he was attentive to what i was looking for and helped me decide what was best.Ryan and his crew installed a Fujitsu split u...”
Licensed
Coupons & Offers
Emergency Services
Offers Financing Options
Serving Smithtown Area
i
C2G Environmental Consultants

C2G Environmental Consultants

(30)
Environmental Education, Ground Penetrating Radar, Drone Services
“Very accommodating when I needed to change the date of my oil tank installation....Chrissy was helpful throughout, the crew was fantastic. They walked me through every step and explained all the paperwork I was signing. They cleaned up great and show...”
Licensed
Emergency Services
Transparent Fees & Pricing
In Business Since 2004
Serving Smithtown Area
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Brazing Mechanical Corporation

Brazing Mechanical Corporation

(18)
Commercial Refrigeration Service, Commercial Air Conditioning Repair
“My experience with this company was top notch! They were able to schedule me quickly and tbeir work was great! They were professional, neat and their pricing was very fair for the value they delivered! Casey, the owner, you couldn't ask for a more...”
Licensed, BBB Rating: A+
Emergency Services
In Business Since 2017
Serving Smithtown Area
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Christopher's Heating & Air Conditioning Inc

Christopher's Heating & Air Conditioning Inc

(28)
  • Crew
  • Clean
  • Boiler
“Antonio and his team replaced a broken down unit in less than a day. They are very professional and backs up their work 100%. Antonio also spends the time to educate customers on repairs, installations, and systems. We were extremely happy...AC syste...”
Emergency Services
Free Initial Consultation
Family Business
In Business Since 2021
Serving Smithtown Area
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Elm Plumbing & Heating

Elm Plumbing & Heating

(12)
Commercial Plumbing, Plumbing Services, Heating Services
“Just had two faucets replaced - one in the bathroom and one in the kitchen. I'm very pleased with the service. Both faucets work great and look beautiful! Joe was very efficient and his work is high quality. The work was done in a timely fashion at a...”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
Emergency Services
In Business Since 1998
Serving Smithtown Area
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Retail Mechancial Services

Retail Mechancial Services

(29)
  • Needs
  • Pay
  • Maintenance
“I will say that RMS is like no other in their space. They first are very kind, and customer service oriented people that get the job done right the first time every time. Being in this industry before I can say that they exceed the expectations on ev...”
Licensed, BBB Rating: A+
Emergency Services
In Business Since 2019
Serving Smithtown Area
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LVV Hvac Heating & Refrigeration

LVV Hvac Heating & Refrigeration

(30)
  • Air
  • Diagnose
  • Pleasure
“A/C wasn't working, I gave Joe a call and he showed up at my home within an hour. Diagnosed the problem, replaced broken part on the spot, was in and out within 45 minutes and was up and running again. Plus, nicest guy ever! Highly recommend!”
Emergency Services
Family Business
In Business Since 2016
Serving Smithtown Area
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GMG Hvac Inc.

GMG Hvac Inc.

(29)
Furnaces, Commercial Hvac Services, Thermostats
“Professional service at a reasonable price. Customer service is excellent. They understand my needs and get the right people to do the job. They also communicate well with my GC regarding residual painting that needs to be done. They always clean...”
Offers Financing Options
Locally Owned & Operated
Family Business
Coupons & Offers
Serving Smithtown Area
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Accu-Temp Heating & Cooling Inc

Accu-Temp Heating & Cooling Inc

(15)
Repair, Service Agreement, Air Duct Cleaning
“We would highly recommend Tom from ACCU-Temp. Not only is he friendly and professional, but extremely efficient. We have used ACCU-Temp for our old house to replace our unit and recently in our new home which needed Central Air put in. Tom is reli...”
Licensed, BBB Rating: A+
Free Initial Consultation
In Business Since 2006
Serving Smithtown Area
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Elite Comfort Group: Heating

Elite Comfort Group: Heating

(29)
  • Water Heater
  • Home
  • Water Filtration
“Wow!! Painless!! Quick and very affordable!! Thank you to their team for saving the day!! I wholeheartedly endorse your services!! If your in Sayville, Bayport or Blue Point... these guys are our neighbors! I run into them all the time when we are ou...”
Emergency Services
Free Initial Consultation
In Business Since 2018
Serving Smithtown Area
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HVAC, Heating & AC Services in Smithtown, NY Cost Estimates

Minimum cost
$2072
Maximum cost
$12413
National Average
$6462
Avg Per Hour Rates
$172
$4436
$8565
Average price range is based on 322 cost profiles
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Average Cost $6462
Minimum cost $2072
Maximum cost $12413
Avg Per Hour Rates $172

Average range $4436 to $8565 is based on 322 cost profiles.

Why these companies made our list

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