Sullivan Heating and Cooling, LLC
Orange County & Sullivan County, NY
Generac Generators & Electrical Service Upgrades
How Can We Help?
Commercial Air Conditioning & Heating Services

Protect your investment


Sullivan Mechanical, maintains a highly trained team of professionals who are equipped to meet your commercial HVAC needs from project planning to long-term maintenance. Whether you built your HVAC system with us or need to keep your existing installation safe and efficient, We have the expertise you need.

We have successfully completed new HVAC installations for a wide range of customers including, hospitals, universities, gaming resorts and multi housing units.

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

Services We Provide:

  • Boilers 
  • Chillers & Cooling Towers
  • Computer Rooms 
  • Rooftop Units
  • Heat Pumps
  • Make Up Air Units
  • Ductless & VRF Systems
  • Gas & Steam Piping
  • Pumps
  • Air Handler's
  • Water Heaters
  • Electrical Service (sullivan Ccunty)
  • Hotel PTAC
  • Refrigeration Services
  • Ice Machine Maintenance & Repair
  • Walk-In Freezer / Refrigerators
  • Rack Cooling

Industries We Service:

  • Senior Living
  • Offices & Retail
  • Multi-Family
  • Industrial & Manufacturing
  • Religious Establishments
  • Healthcare
  • Hospitality & Tourism
  • Financial Institutions
  • Gaming Facilities 
  • Resorts


Get Factory Certified Maintenance with Fast Response Times.

Minimize Your Service Calls and Downtime.


845-588-5433
Sullivan Mechanical
Commercial Air Conditioning, Heating and Refrigeration Experts
​497 Broadway Suite #4
Monticello, NY 12701
​845-861-1149

Email: admin@sullivanheatingcooling.com
Office Hours Mon-Fri 8am-4pm / Sat 9am-1pm
24/7 Emergency Service
845-861-1149 Call or text