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.
Air Handlers. An HVAC air handling unit (also called an AHU) is the indoor part of your heating and cooling system. An air handler circulates both cool and hot air, depending on the season. When properly matched with a heat pump or air conditioner, an air handler will help you maximize the overall efficiency of your HVAC system.