Dave Feyock
Dave Feyock serves as Training Manager for Enertech Manufacturing, LLC. During his 30 years in the HVAC industry Dave has developed and implemented educational materials and programs focused on geothermal installation and service. He has extensive HVAC training and is a certified IGSHPA Train the Trainer. Dave is Enertech's lead instructor, working with distributors and dealers across the country.


Jeff Hammond
Jeff Hammond is Vice President, Marketing and Product Development at Enertech Manufacturing, LLC. He has a total of 22 years in the geothermal industry, with experience including positions in research & development, engineering, marketing, training and sales. Jeff has been a member of ASHRAE since 1990 and has served on IGSHPA technical committees for geothermal standards and training.