What Are the Steps to Becoming an HVAC Engineer?Obtain a high school diploma or GED (four years). …Obtain an associate or bachelor’s degree in engineering (two to four years). …BSE graduates only – Take the Fundamentals in Engineering (FE) exam to become an Engineer in Training (EIT) or engineering intern near the time of graduation (less than …Seek entry-level work experience (four years or more). Following the completion of a degree and the FE exam (for BSE graduates), aspiring HVAC engineers are encouraged to seek …Optional – Obtain a graduate degree (or certificate) in engineering (one to two years). At this stage, there are varied degrees the prospective HVAC engineer can pursue. …BSE graduates only – Take the Professional Engineering (PE) exam in mechanical engineering (HVAC and refrigeration). …