Released: 1/28/13. [Back to COED Friends News] Visitation Catholic Elementary School, in Elmhurst, Illinois, is actively seeking its next great Principal. Visitation is blessed with an outstanding faculty and staff of 30 professionals educating 500 students from preschool through eighth grade.
These are installed throughout a building to move air in or out of a room. Heating, ventilation and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer.
Quick Answer. A VAV system, also known as a variable air volume system, is a type of heating and cooling system that uses a large air handler and central duct system. According to High Performance HVAC, this setup allows an engineer to accommodate very large areas that need to be regulated by a single cooling or heating system.