Controlled Climate Systems, Inc. was established in 1971 by John and Dolores Conley. As a family owned business we have grown and changed, but have remained committed to continuing the values and principles of our founders: serving the customer.

Located in Canonsburg, PA we are minutes from I-79 so that we can easily serve Washington, Allegheny, Fayette, Westmoreland, Beaver, and Butler Counties.

With twenty-five employees we are sized so that we are able to remain affordable to complete in home repairs and replacement while large enough to install a complete new HVAC system for offices, churches, and other commercial structures.

Controlled Climate Systems, Inc. is dedicated to serving you a customer. Please contact us for all your heating, ventilation and cooling needs.

(724) 749-4058


  • Heat Pumps
  • Boilers
  • Oil Furnaces
  • Gas Furnaces
  • Air Conditioners

Areas Served

Canonsburg, PA | Upper St Clair, PA | Bethel Park, PA | Mt Lebanon, PA | Peters Township, PA | Cecil Township, PA | Washington, PA | Thompsonville, PA