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GTC’s energy efficiency solutions come with a dedicated staff, competitive pricing, and quality craftsmanship

Take a tour of our portfolio to learn more about how our innovative and comprehensive suite of mechanical services, top-of-the-line products, and highly trained technicians ensure that you get a long term return on your investment.


London Middle School was a very special project to General Temperature Control.&n... View Project


Completed in 2009, The Hocking College Energy Institute project was awarded the L... View Project


One of the biggest challenges to keeping your business up to date with the most e... View Project


The scope of this project for Ohio State University included the installation of... View Project


Headquarters of the Ohio State University Extension’s 4-H Youth Development... View Project


GTC installed the HVAC system and made significant renovations to the Woody Hayes... View Project


GTC upgraded the heating and cooling systems for the Ohio National Guard Beightle... View Project