Sullivan Heating and Cooling, LLC

Expert Heating, Ventilation, Air Conditioning & Refrigeration Services: 

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

Our diverse line of equipment ranges from High Efficiency BoilersDuctless Heat PumpsMedical Grade MRI Chillers, VRV Systems to Generac Whole House Generators, providing comfort solutions that are designed to exceed your needs.

Being Union trained provides our clients with the most highly qualified technicians and installers. 

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

By maintaining all required local licenses, complete insurance, workman's compensation insurance & liability coverage, we provide the Hudson Valley, NY & Surrounding area home and business owners a team of support on which they can count.

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

Services We Provide:

  • Heating, Ventilation & Air Conditioning Systems
  • Installation and Repairs
  • Planned Maintenance
  • Furnaces & Boilers
  • Air Handler & Roof Top Packaged Units 
  • Computer Room Air Conditioning Units
  • Make-Up Air Units
  • Mitsubishi / Trane City Multi VRF
  • Hotel Fan Coil Unit's / PTAC
  • Heat Pumps - Ductless & Ducted
  • Generac Generator - Authorized Service
  • Smart Thermostat and Low Voltage Controls
  • Tankless High Efficiency Condensing Boiler's and Water Heater's
  • Walk-In Freezer / Coolers - Reach-In

Your Local Air Conditioning, Heating & Refrigeration Pro's

100% Comfort Guarantee:

We back all of our work - service, maintenance and installation with our 100% Comfort Guarantee in writing.

So you can rest assured that you'll be comfortable with us before, during and after any sale or service.

Call us Today for prompt emergency repair services or a FREE replacement estimates
Orange County & Sullivan County, NY
Affordable EV Charger Installations
Commercial, Industrial & Residential
How Can We Help?
BarryvilleBethelBloomingburgCallicoonCochectonTown of Delaware
EldredFallsburgFerndaleForestburghFremont CenterGlen Spey
Glen WildGrahamsvilleHankinsHarrisTown of HighlandHurleyville
JeffersonvilleKiamesha LakeLake HuntingtonLibertyLivingston ManorLoch Sheldrake
Long EddyLumberlandMongaup ValleyMonticelloMontgomeryNarrowsburg
NeversinkNorth BranchParksvillePine BushPort JervisRock Hill
RocklandRoscoeScotchtownSmallwoodSouth FallsburgSparrow Bush
ThompsonWawarsingWhite LakeWhite Sulphur SpringsWoodbourneWoodridge
WurtsboroYoungsvilleYulanMamakatingSwan LakeWalden

Sullivan Heating and Cooling, LLC.
Your Local Air Conditioning, Heating and Refrigeration Experts
​497 Broadway
Monticello, NY 12701

Office Hours Mon-Fri 8am-4pm / Sat 9am-1pm
24/7 Emergency Service with Maintenance Agreement

Same Day Affordable Service