What is the role of mechanical engineer in HVAC installation?

An HVAC engineer's job duties can include the design, installation, maintenance, and repair of heating, ventilation, air conditioning, cooling, and refrigeration systems. HVAC engineers can design systems for residential, industrial, institutional, and commercial buildings, including schools, office buildings, and health care facilities. HVAC engineers may meet directly with clients, work with engineering colleagues like management, installers and repair technicians, design new systems or find solutions for existing system problems, and prepare estimates. HVAC engineers can work for consulting or design firms, government agencies, facilities offices, or HVAC equipment sales offices.