Meet Our Team
Our team members are certified by the North American Technician Excellence (NATE), the nation’s largest non-profit organization for heating, ventilation, air conditioning and refrigeration technicians. It is the only technician certification organization governed, owned, operated, developed and supported by the HVACR industry.
Our NATE certified technicians include: Brent Hiles, Walter Bran Ortega, and John White.

John White
CEO – White Mechanical, Inc. Since Inception 2003
- 35 + years of HVAC Trade experience
- (Commercial and Residential)
- C-20 HVAC License since 2003
- HIC – Home Improvement Certification
- ACCA and Ashrae Member
- NATE Certification
- Carrier Certified technical training Courses
- Mitsubishi Ductless Split System certifications
- RSES Refrigerant certification
- Indoor Air Quality – Mechanical Hygiene Certification International Building Conference of Buliding Officials Training
- Executive Management training Graduate (1999)

Jeff Wendorf
General Manager
- Nearly a decade of HVAC/R experience spanning grocery retail, industrial, and commercial end markets
- Graduated from University of California, Irvine with a B.A. in Economics; Dean’s Honor List 2013 and 2014
- Holds IHACI certifications in gas heating, air distribution, Title 24, and AC/heat pump
- Experienced with LEED-certified R744 CO2 refrigeration systems
- KFALP Business Training

Mike Hollis
Vice President of Operations
- 18 + years of HVAC Trade experience (Commercial and Residential)
- Mitsubishi Ductless Split System certifications
- RSES Refrigerant certification
- M.A.P. Business Training
- 25 + years of Customer Service experience

Mike DeGelia
Vice President of Sales
- RSES Refrigerant Certifications
- ASHRAE Member, IHACI Member
- Trane Certificates: RTAA Chillers, Intellipak, Voyager Systems
- Universal Technical Institute Arizona HVAC Certification
- Chaffey College Business and Professional Development AA Degree
- Carrier Certified Technical Training
- Mitsubishi Ductless Split Certification
- Novar Controls Certified
- ABB Drive Certification

Mark Turner
Commercial Salesman – White Mechanical, Inc. Since Inception 2003
- C-20 HVAC License since 2003
- ACCA and Ashrae Member
- Bachelor of Science – Electronic Engineering Technology – Devry 1992
- Carrier Certified technical training Courses
- Mitsubishi Ductless Split System certifications
- RSES Refrigerant certification
- Indoor Air Quality – Mechanical Hygiene Certification
- U.S Army Veteran

CHRISTIAN QUINONEZ
Commercial Salesman

Liss Andrade
Commercial Service Manager

Brent Hiles
Residential Sales Manager

Melissa Robson
Accounting Manager

Christian Rivas
Residential Manager