About Us

C.J Demars Mechanical was established in 2009 and has two convenient locations.

Our office on Cayuga street in Fulton, NY and our New Location at 24 East Cayuga in Oswego ,NY.


Our objective is to serve our surrounding communities with excellent equipment, prompt service, and quality workmanship at a competitive price. We truly believe that we give you the most value for your money. Starting with a Faith based conviction to ensure that Honesty and Integrity are as equally visible as our Quality. Every Time!

We are proud of our experienced staff:

  • 24/7 Emergency Service Technicians.
  • Residential and Commercial Installation Crews
  • New Construction Installation Crews.
  • Office Staff.
  • Sheet Metal Fabrication, Design and Installation.

Our employees are continuously trained on the latest in efficiency technology to ensure that our Products and Services meet industry and manufacturing specification, giving you peace of mind that your investment is protected for years to come.

We are confident in our ability to help you when you need us.


Let us know how we can serve you!


Christopher J. Demars