About Castle

We are a state-of-the-art mechanical contractor providing customizable solutions to fit your needs. Since opening our doors in 1994 Castle has had the pleasure of shaping the City of Cleveland. We are proud to continue to serve Northeast Ohio’s heating, ventilation, and air conditioning needs now and into the future.

From the Iconic Rock and Roll Hall of Fame to Rocket Mortgage Fieldhouse, Castle has made a lasting impact in Northeast Ohio. We are excited to continue contributing to the ever changing landscape of our great city. From our family to yours, we thank you for the opportunity to serve you and provide solutions to all of your heating, ventilation and air conditioning needs.


City of Cleveland – The Mayors’s Office of Equal Opportunity

  • Cleveland Area Reginal Small Business (RSB)
  • Female Business Enterprises (FBE)
  • Local Producer Enterprises (LPE)

Cuyahoga County Office of Procurement and Diversity

  • Small Business Enterprise (SBE)
  • Women-Owned Business Enterprise (WBE)

Fire Life Safety

  • Fire & Smoke Damper Contractor (ICB)