Trane Technologies on Instagram: "Sheldon Slack brought a decade of @usarmy experience to the #Trane HVAC Technician Apprenticeship Program, where his technical mindset and problem-solving skills are opening new doors. Now maintaining HVAC systems in Jacksonville schools, he's building a successful career after service and helping create more comfortable spaces for students to learn and grow. - - - #TraneTechnologies #ThermoKing #WeBoldlyGo #WeAreTheBold"