Home Branch:
Dayton
Eligible for hire:
November
2025
Mario Martinez
In his role as an HVAC Technician Apprentice, Mario’s responsibilities will include attending our in-house HVAC installation classes 2 days per week and will work as paid employees in our operations department 3 days per week. The training program will be completed after 14 weeks, where we will work with our customers, residential HVAC contractors, to
place each apprentice as a full-time installation technician.
Mario Martinez comes to Johnstone Supply serving in previous positions such as a Sales Associate at Kohl’s.
He is a graduate of Tecumseh High School in New Carlisle, Ohio.
Mario’s friends and family would describe him as humble. In his spare time, he enjoys being outside somehow active and trying to better himself!