In order to enter our HVAC Apprenticeship program, you must first find a current HVAC Contractor to sponsor you. For assistance with a sponsorship, please fill out the form below with as much information as possible about yourself including your email and phone number. HVAC/Refrigeration - Training Coordinator, Mike Afonso If state–of–the–art HVACR training is what you desire you will find it at UA Local Union 342. Local 342 and its industry-leading service contractors have always made it a top priority to provide quality training to apprentices. All courses run from September through May and are conveniently scheduled during the evening. With quality instructors, our courses incorporate theoretical and textual study with hands-on and on-the-job experience. Graduates of this rigorous HVACR training program acquire a level of expertise few in the industry can match.