North American Technician Excellence


Executive Committee

Laura Di Filippo, Chairman
President and Co-Owner
DiFilippo’s Service Company

Kevin Dier, Vice-Chairman
Vice President, Business Development
Johnstone Supply

Kevin Traut
Director of Education and Training
Isaac Heating & Air Conditioning

Mike Branson, Secretary/ Treasurer
EVP & GM, Air Operations
Rheem Manufacturing Company

John Lanier, Parliamentarian
Chief Operations Officer


Eddie Bluff
Co-Founder, Co-Owner, Partner

Site Seeker

Rhonda Wight
Refrigeration Sales

Mike Hellmann
Director, Building Infrastructure
Penton Media, Inc.

Edward McFarlane
VP of Learning and Development
Haller Ent.

Harold Nelson
Technical Support Manager

Quan Nguyen
Vice President/GM
Lennox Residential

Brent Schroeder 
President, Air Conditioning Business
Emerson Climate Technologies

Advisory Council

David McIlwaine, Past Chairman
HVAC Distributors

Wade Mayfield, Past Chairman
Thermal Services

Donald Frendberg, Past Chairman
Phase 3 Insights

Ray Isaac, Past Chairman
Isaac Heating & Air Conditioning, Inc.

Scott Boxer, Past Chairman
Service Experts Heating & Air Conditioning, LLC

Randy Tice, Past Chairman
APR Supply Company

John Garvelink, Past Chairman
Commercial Design Engineers, Ltd.