Sullivan Heating and Air Conditioning
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Boiler Repairs and Installations in Sullivan County, NY

If your Oil or Gas Boiler is old, inefficient and not working as well as it once did, you may want to consider a New High Efficiency Boiler or Ultra High Efficiency Heat Pump installation from Sullivan Heating & Cooling. 

Tired of dealing with unreliable heating? 
Is your boiler continually breaking down? 
Are your fuel bills significantly higher than they used to be? 

  • No heat
  • No hot water
  • Low water pressure
  • Pilot light goes out
  • Boiler switches itself off inexplicably
  • Leaking boiler
  • Banging, whistling, or rumbling noises
  • Malfunctioning thermostat


Contact Sullivan Heating and Cooling for Boiler Repair Services in the Monticello, NY area. 

We’re pleased to offer you quality boiler products from Burnham, Navien, New Yorker, Peerless, Triangle Tube, Veissman and Weil-Mclain. 

From Factory Authorized Service to Expert Installations, we will help you find the right boiler, Furnace or High Efficiency Heat Pump for your home or Business. 



Looking for a great job? Join Our Team
Your Local Heating, Air Conditioning & Electrical Pro's

Sullivan Heating and Air Conditioning
Your Local Air Conditioning, Heating, Refrigeration and Electrical Experts
​4054 NY-52, Suite # 2
Youngsville, NY 12791

PO Box 481, Youngsville, NY 12791

Email: admin@sullivanheatingcooling.com
Phone: 845-588-5433​
Commercial, Industrial & Residential
845-588-5433
Orange County & Sullivan County, NY