Heating, Ventilation, and Air Conditioning (HVAC) training will prepare you for entry level positions within the HVAC industry. If you're looking for a career with more hands-on time, this could be for you. Get practical hands-on instruction in installation, repair and maintenance of air conditioning and heating systems, residential and commercial refrigeration, heat pumps, hydronics and many other areas and prepare to take the Environmental Protection Agency (EPA) certification exam.