John Geffe has over 29 years of experience in the HVAC industry, beginning as an HVAC Service Technician at TEC Mechanical from 1993 to 1998. Following this, John served as a Control Tech at Trane from 1998 to 2006, and then took on the role of Technical Support Engineer at Alerton from September 2006 until June 2022. Currently, John is the ESB Test Lab Program Manager at CBRE, a position held since April 2022. John Geffe holds a degree in HVAC/Refrigeration Service from the Universal Technical Institute of Arizona Inc, which was completed between 1988 and 1989.
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