One of the fastest growing careers in Arizona is the HVAC-R technical profession. Highly skilled air conditioning and heating professionals are in tremendous demand because new laws require homes and buildings to become more energy efficient. Furthermore, in Phoenix, the demand is even greater because the continuous population growth is placing an expanding need for trained HVAC-R technicians. It is essential to keep the indoor environment comfortable while living in Phoenix and the surrounding Arizona communities. National Technical Institute (NTI) is able to help you enter and launch your career in this growing field.