Johnson Controls - 3691 Old Shed Rd [Refrigeration Technician / AC Technician] As a HVAC Project Journeyman Mechanic at Johnson Controls, you'll: Demonstrate working experience in the HVAC plumbing, pipefitting, and/or mechanical equipment service industry; Work with the most advanced heavy commercial and industrial cutting-edge equipment; Work with refrigerants and boiler operational & service knowledge...Hiring Immediately >>