Sullivan Heating and Air Conditioning
We’re committed to helping you
Requests? Call  845-554-3261
When it comes to the comfort inside of your home, you’ll want to do everything in your power to keep you and your family content. 

The Sullivan Heating and Cooling Difference:

It’s no secret that there are many different HVAC companies throughout the Mid-Hudson Valley area, but not all have the same level of training and service that our team does. 

When you call our team at Sullivan Heating and Air Conditioning, expect exceptional service and superior quality every time. 

By consistently meeting rigorous national standards for performance, Sullivan Heating & Air Conditioning is distinguished as a Amana, Burnham, Carrier, DaikinFujitsu, Goodman, Miller, Mitsubishi, Navien, New Yorker, Ruud and Weil-Mclain Authorized Dealer. 









We continue to reach high expectations for ethical business practices year after year.

By maintaining all required local licenses, complete insurance & liability coverage, and fulfillment of warranty specifications, we provide the Monticello, NY area home and business owners a team of support on which they can count.

At Sullivan Heating and Air Conditioning we’ll give you the attention and personal service you’ll come to expect and enjoy.

If you live in Sullivan County, NY then you will need a reliable company to meet your repair, maintenance and installation needs. 

We provide reliable heating and cooling aid for your home or business 24 hours a day, 7 days a week. 

We Service and Repair Most Makes and Models

Our licensed professionals are on hold waiting eagerly to solve your Furnace, Boiler, Heat Pump, Ductless Mini-Split or Central Air Conditioner malfunctions.

No Surprises:

We will provide you with proper written estimate before the repair work is initiated.

100% Satisfaction Guarantee

Lowest Upfront Pricing
Serving North & Central New Jersey
Money-Back Satisfaction Guarantee
Industry best two-year, factory-backed warranty on new installations. 
We guarantee that you'll be comfortable every step of the way, or we'll refund your money.

We drug test and background check all in-home employees
We understand that inviting a stranger into your home can be a little scary. So, for your safety and peace of mind, all of our in-home sales and service personnel must pass comprehensive drug testing and background checks before they are eligible to be part of our "Comfort Certified" team.

Your time is precious
You'll never have to wait at home for a technician or sales person to arrive. Simply tell us how much notice you need and we'll give you enough time to meet us at your home.

Your property will be left in pristine condition
All of our Technicians are fully licensed and insured for your protection. Plus, from wearing booties to using floor protection to cleaning up after ourselves, we'll protect your home and leave it exactly as we entered it...just more comfortable.

You will always be "In the Know"
Feel free to watch, question and comment our sales staff and technicians, who will always explain the work and available options to you as clearly as possible.
845-588-5433
Sullivan County, NY

Our Service Area:

Sullivan County, NY

Barryville                             
Bethel                                
Bloomingburg                       
Burlingham                          
Callicoon                         
Callicoon Center                 
Claryville                             
Cochecton                      
Cochecton Center               
Eldred                                 
Fallsburg                             
Ferndale                              
Forestburgh                         
Fremont Center                   







Glen Spey
Glen Wild
Grahamsville
Hankins
Harris
Highland Lake
Hortonville
Hurleyville
Jeffersonville
Kauneonga Lake
Kiamesha Lake
Lake Huntington
Liberty
Livingston Manor







Long Eddy
Mongaup Valley
Monticello
Mountain Dale
Narrowsburg
Neversink
North Branch
Obenburg
Parksville
Phillipsport
Pond Eddy
Rock Hill
Roscoe
Smallwood








South Fallsburg
Summitville
Swan Lake
Thompsonville
Westbrookville
White Lake
White Sulphur Springs
Woodbourne
Woodridge
Wurtsboro
Youngsville
Yulan
Loch Sheldrake
Town of Rockland
Tusten
Sullivan Heating and Air Conditioning
Your Neighborhood Heating and Cooling Experts
​4054 NY-52, Suite # 2
Youngsville, NY 12791

PO Box 481, Youngsville, NY 12791

$ 135 Precision Tune-Up,
with Professional Cleaning, and Safety Inspection.
24 Point A/C Precision Tune-Up, Professional Cleaning & Safety Inspection.
A/C or Furnace Tune-Up Special
with Professional Cleaning, and Safety Inspection.



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