Graduates will have opportunities for gainful entry-level employment and apprenticeship positions following this workforce course. Students may earn up to four levels of a highly recognized industry credential, NCCER HVAC Levels 1, 2, 3 & 4, by completing both written work online and hands-on work in an open-lab format. Itu2019s possible if a student has intermediate HVAC knowledge and some accomplished industry experience, all four levels may be completed within the first 16 weeks.