1954 - Originally founded as Tobey Trane Service Company, Pittsburgh's first and only commercial Trane office for many years. The Tobey-Karg Service Agency has a long history with the Trane Company and multiple other manufacturer's. We have since come to specialize and sell Trane, AAON, MicroControl Systems, Hanbell Compressors, along with the ability to service, repair and install virtually any HVAC system!

1981 - Tobey Trane Service Company transitioned to Tobey-Karg Service Agency in 1981. A commercial HVAC organization that is dedicated to providing the highest quality commercial HVAC service, installation and maintenance.   

Present - Focusing on high quality services, repairs, installations, preventive maintenance, retrofits, rebuilds, controls, microprocessors, start-ups and more on all commercial HVAC equipment.