Using their Using their strong technical knowledge, CAD designers can design the most efficient, cost effective system, saving their clients money. Service technicians install new units, service broken ones and maintain existing units. Manufacturers research, design, test and manufacture heating and cooling systems that deliver the maximum comfort for the lowest cost. Their systems must be energy-efficient and reliable. In addition to technical skills, business management courses are a plus.
Project engineers supervise multiple crews and work at different job sites.
The engineer must schedule the right people, have the correct supplies on site and communicate each day's objectives to the site staff. As products come off the production line, these engineers test, locate and correct any production defects before the appliance reaches the consumer. Or you may choose to work for a manufacturer or wholesaler. If you decide at a later time to start your own business, that opportunity also is readily available. You will work inside and outside of sports arenas, shopping malls, theaters, private homes, apartment buildings, office buildings, industrial plants, schools and other institutions, factories, grocery stores and hospitals.