Proudly Serving Houston and Surrounding Metro Area Since 1981!
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Leadership Team

Jamie Lange – President

Bob Munz Cropped

Bob Munz – VP, Sales & Service

Bob has over thirty years of HVAC experience. He worked in sales, national accounts and management for the Houston Trane Service branch for 27 years. He is involved with several industry professional affiliations. Bob honorably served his country for 6 years in the armed services. He has a BBA Degree from Texas A&M University. He fulfills a key sales and operations role with Lange Mechanical and the Leadership team. Bob is married with 3 children and enjoys spending his free time with his family, working out, hunting/fishing, travel and volunteering in his community & church.


Wanda Salaz – Controller

Wanda has more than 18 years of Controller experience  expanding from Transportation, Security and Oil & Gas Industry with a Bachelor of Science Degree. She joined Lange Mechanical in December, 2014 with a very positive and leadership attitude.  Wanda enjoys spending quality  time with her family; husband, daughter, grandchildren friends and co-workers.