Sullivan Heating and Air Conditioning

Decades of Experience, Skilled Union Workers and the Latest Technology: 

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

"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 Sullivan County, 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.

Services We Provide:

  • Air Conditioning Maintenance, Repairs and Installations.
  • Applied HVAC System's.
  • Boiler Maintenance, Repairs and Installations.
  • Chiller Maintenance, Teardown and Repairs.
  • Commercial Air Handler Maintenance, Repairs and Installations.
  • Commercial Roof Top HVAC Unit Maintenance, Repairs and Installations.
  • Commercial VRF / VRV System Maintenance, Repairs and Installations.
  • Electrical Service Upgrades.
  • Ductless Mini-Split Heat Pump Maintenance, Repairs and Installations.
  • Fan Coil Unit Maintenance, Repairs and Installations.
  • Furnace Maintenance, Repairs and Installations.
  • Gas to Heat Pump Conversions.
  • Generator Installations.
  • PTAC / PTHP Maintenance, Repairs and Installations.
  • Oil to Gas Conversions.
  • Oil to Heat Pump Conversions.
  • Smart Thermostat Installations and Low Voltage Controls. 
  • Tankless High Efficiency Condensing Boiler's and Water Heater's.
  • Variable Speed Drive (VSD) Retrofits.
  • Water Heater Repairs and Replacement's.
  • Radon Testing and Mitigation

100% Satisfaction Guarantee

Orange County & Sullivan County, NY
Generac Generators & Electrical Service Upgrades
Affordable EV Charger Installations
Special Expires Soon
Includes Oil Filter, Pump Filter & Nozzle Replacement
Commercial, Industrial & Residential
Your Local Air Conditioning, Heating, Refrigeration & Electrical Pro's
Sullivan Heating and Air Conditioning
Your Local Air Conditioning, Heating, Refrigeration and Electrical Experts
​4054 NY-52, Suite # 1 & 2
Youngsville, NY 12791

PO Box 481, Youngsville, NY 12791

Phone: 845-588-5433​
Serving all of Sullivan County, NY & Surrounding Areas
How Can We Help?
24 Hour Emergency Service


Operating Engineers Local 30 in NY
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