Passionate Mechanical Engineer Having 1 Year of Experience In HVAC & Non Food Industry.Sound Knowledge Of Refrigeration Plant , Dairy Industry, HVAC.An Project engineer may be An HVAC engineer may be responsible for numerous job duties relating to heating, ventilation, and air conditioning systems. Functions may include installation, maintenance, and designing systems for use in residential or commercial locations Functions may include installation, maintenance, and designing systems for use in residential or commercial locations.