Trusted HVAC Contractors in Islip, NY

The highest-rated Heating & Air Conditioning companies out of 198 vetted & reviewed in the Islip area.

GMG Hvac Inc.

GMG Hvac Inc.

(48)
Thermostats, Heating and Air Conditioning Services, Preventive Maintenance
“Technician arrived on time, knew exactly what to do. Changed the starting capacitor. Arrived and left in 45 minutes. Only negative was that the charge for this service was $390 to replace a $25 part. I guess I payed for his experience. Positive ...”
Accepts All Major Credit Cards
In Business Since 2020
Licensed, BBB Rating: A+
Offers Financing Options
77 Windsor Pl Suite 11, Central Islip, NY 11722
i
Dashing Dan's Plumbing & Heating Inc.

Dashing Dan's Plumbing & Heating Inc.

(50)
Plumbing Services, Heating Services, Cooling Services
“The gentleman was quick n informative. N as long as it is doing ok for now I will not do anything since I'm going away Thank you for checking so quickly Carole”
Emergency Services
In Business Since 2015
Licensed
Offers Financing Options
258 Higbie Ln, West Islip, NY
i
MSD Heating & Cooling

MSD Heating & Cooling

(26)
  • Cooling System
  • Price
  • Job
“The owner Ali is a God send! He is very honest, fair and hardworking! I would highly recommend this company! My unit is quite old and was not working last year, after 2 companies telling me I need a complete new unit for big bucks which I couldn't af...”
Free Initial Consultation
In Business Since 2014
Licensed
Locally Owned & Operated
3 Champlin Ave, East Islip, NY 11730
i
Energy Mechanical

Energy Mechanical

(8)
“Professional and responsible. Mike,the owner was nothing short of outstanding. Showed up when he said he would and resolved the issue I was having. I called 3 companies prior and they couldn't fix the issue Mike and his guys were able to fix. Signed ...”
In Business Since 2012
Emergency Services
77 Brightside Ave, Central Islip, NY 11722
i
Great River Fuel Oil

Great River Fuel Oil

(14)
  • Delivery
“I always recommend this company when someone asks where I order my Oil from, they are great and truly care and for the most part will deliver by the next day! Placing the order is smooth & easy, thank you Great River Oil!”
Transparent Fees & Pricing
In Business Since 1991
Accepts All Major Credit Cards
100 Rockaway St, Islip Terrace, NY 11752
i
Jovial Stove Shop

Jovial Stove Shop

(6)
  • Heat
  • House
  • Fireplace Insert
“Very nice and knowledgeable about fireplaces,wood and gas inserts, Stoves and masonry work .. I dealt with Joe the owner he was awesome and will steer you in the right direction..installation was neat ,clean and professional...highly recommend this c...”
In Business Since 2019
Licensed
193 Islip Ave, Islip, NY
i
RK Heating & Cooling Services Inc

RK Heating & Cooling Services Inc

(10)
  • Efficient
  • Communication
“Easy to work with, easy to communicate with and they've done a fantastic job…. “I had a wonderful experience and I would highly recommend this business to others.” Positive Responsiveness, Quality, Professionalism, Value Services A/C system repair, H...”
20 Juniper St, Central Islip, NY 11722
i
Ferme & Son Energy Corporation.

Ferme & Son Energy Corporation.

In Business Since 1934
Accepts All Major Credit Cards
38 W Suffolk Ave, Central Islip, NY 11722
i
Integrated Geothermal

Integrated Geothermal

(1)
“The company was amazing!! They were nice, professional, and did an amazing job..”
52 Columbia St, Islip, NY
i
ALL Seasons Air Conditioning

ALL Seasons Air Conditioning

(49)
Hvac Maintenance, Hvac Installation, Hvac Repair
“Andrew found the problem quickly and repaired it. He explained everything as he went through system and then made sure it was working properly before he left. Definite 5 Star Technician.”
Accepts All Major Credit Cards
In Business Since 2016
NATE Certified
Emergency Services
Serving Islip Area
i
Gallettair Inc. Heating & Air Conditioning

Gallettair Inc. Heating & Air Conditioning

(48)
Residential, Heating, AIR Conditioning
“This was my first encounter with Gallett Air Inc, and I was impressed with the polite and efficient office staff (Danielle, Krystal). Matt came to my house for an opinion/ estimate for my AC-he was honest, punctual, patient with my questions and very...”
Accepts All Major Credit Cards
In Business Since 2001
Licensed, BBB Accredited
Emergency Services
Serving Islip Area
i
Triple H Insulation

Triple H Insulation

(50)
Spray Foam Insulation, Insulation Services, Attic Insulation
“Triple G did an excellent presentation, they were very clear about what needed to be done to make my home more energy efficient when it came to heating. All of my questions were answered, but more importantly Brian offered valuable insight on the sci...”
Accepts All Major Credit Cards
In Business Since 2006
BPI Certified
Offers Financing Options
Serving Islip Area
i
C2G Environmental Consultants

C2G Environmental Consultants

(48)
Project Management, Environmental Services, Emergency Spill Response
“from the first contact this company has been a pleasure to do business with. Price was as agreed (even got a few discounts along the way) Contract work was easy and quick, workers arrived on time, were courteous. work done with a minimum of mess . Co...”
Emergency Services
In Business Since 2004
Licensed
Transparent Fees & Pricing
Serving Islip Area
i
Sunray Services

Sunray Services

(49)
Water Heaters, Heating, Cooling
“Technician Spencer was very capable, polite and knowledgeable about the equipment. We've been using Sunray for many years and they have always been very good.”
Offers Financing Options
In Business Since 1999
Emergency Services
Coupons & Offers
Serving Islip Area
i
Ljv Mechanical

Ljv Mechanical

(50)
  • Clean
  • Price
  • Crew
“My central a/c suddenly stopped working properly. I called LJV in the morning and a technical came that afternoon and made the repair. The bill was very reasonable. I highly recommend them Positive Responsiveness, Punctuality, Quality, Professional...”
Free Initial Consultation
In Business Since 2021
Coupons & Offers
Family Business
Serving Islip Area
i
Long Island's Burner King

Long Island's Burner King

(44)
Oil-to-Gas Conversions, Heating Services, Air Conditioning Services
“Wonderful experience. From the woman who answered the phone to the gentlemen at our home, Fred & Chris. Everyone was knowledgeable, helpful and kind. Truly a great job, went above and beyond, and for that I am grateful. Highly recommend.”
Emergency Services
In Business Since 2004
Licensed, BBB Accredited
Offers Financing Options
Serving Islip Area
i
Central Air Systems

Central Air Systems

(39)
Heating Services, Services & Repair, A/C Services
“The crew did and incredible job replacing our system. They took their time to ensure everything was working great and spent a lot of time explaining the system to us. I recommend them to anyone needing central air conditioning work done.”
Accepts All Major Credit Cards
In Business Since 1992
Licensed, BBB Rating: A+
Emergency Services
Serving Islip Area
i
Varsity Home Service

Varsity Home Service

(49)
  • Heat
  • AC
  • Tech
“I have used Varsity in my own home for years. They are always quick to respond, and all the technitions are very professional and courteous. The work quality is excellent as well.”
Coupons & Offers
In Business Since 2004
Offers Financing Options
Family Business
Serving Islip Area
i
Cool Pro Mechanical

Cool Pro Mechanical

(50)
Hot Water Systems, Heating Systems, Cooling Systems
“He was friendly and knowledgeable. Prices were in line with others. Was on time for both the estimate and installation. The communication was great answered questions quickly. Once installed, he made sure we knew how all the features worked and wh...”
Transparent Fees & Pricing
In Business Since 1990
Licensed
Offers Financing Options
Serving Islip Area
i
Retro Hot Water & Heating

Retro Hot Water & Heating

(48)
Oil to Gas Conversion, Water Heater Repair, Water Heater Installation
“Thank you Retro Hot Water, they went above and beyond to figure out the problem I was having and coming up with a few solution. They were responsive and very fast.”
Offers Financing Options
In Business Since 2022
Licensed, BBB Accredited
Free Initial Consultation
Serving Islip Area
i
Richard's Heating & Cooling

Richard's Heating & Cooling

(47)
Hot Water Services, Heating Services, A.C. Services
“Richard's Cooling and Heating are the best on Long Island and is one of the very few that I trust doing work for me. Honesty and sincerity is their secret with me. I've been dealing with them for more than 10 years .. and never had a problem - always...”
Emergency Services
In Business Since 2012
Licensed
Free Initial Consultation
Serving Islip Area
i
Delcore Electric

Delcore Electric

(50)
Generators, Pools and Spas, New Construction
“Sebastian and his crew did a great job installing lighting fixtures on my porch and in my basement. Showed up on time, friendly workers, cleaned up after the job was finished. A great job and at a very reasonable price. This is my go to company for a...”
Free Initial Consultation
In Business Since 2021
Licensed
Family Business
35 Corbin Ave A, Bay Shore, NY
i
Jen Air Inc

Jen Air Inc

(49)
Residential Heating & Cooling, Air Conditioning Repair & Installation, Heating Repair & Installation
“Jen Air is a great company I've used for years. They are reliable. When calling for an appointment, their staff is friendly, responsive and helpful. When actually coming to the house, the workers are punctual and professional. I get maintenance done ...”
Coupons & Offers
In Business Since 2009
Emergency Services
Free Initial Consultation
Serving Islip Area
i
Soundview Heating & Air Conditioning

Soundview Heating & Air Conditioning

(50)
Pre-Season Tune-Ups, Residential, Commercial
“Brian is exceptional! He is very professional, and is a more than qualified, knowledgeable technician. Very pleasant every time he has serviced our A/C and/or water heater.”
Accepts All Major Credit Cards
In Business Since 2004
Licensed
Emergency Services
Serving Islip Area
i

HVAC, Heating & AC Services in Islip, NY Cost Estimates

Minimum cost
$2162
Maximum cost
$12957
National Average
$6745
Avg Per Hour Rates
$179
$4630
$8941
Typical price range is based on 371 cost profiles
Click to copy
Successfully copied!
Average Cost $6745
Minimum cost $2162
Maximum cost $12957
Avg Per Hour Rates $179

Typical range $4630 to $8941 is based on 371 cost profiles.

Why these companies made our list

Is this page useful? Yes
No
Is there anything wrong with this page?
Back To Top