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.
more HVAC definitions. HVAC is an abbreviation for Heating, Ventilation and Air Conditioning. HVAC Contractors specialize in the installation and maintenance of furnaces, boilers, heat pumps and central air conditioners. However, in addition to installing and maintaining HVAC equipment, HVAC contractors typically help consumers decide which equipment to purchase. This makes the HVAC market somewhat different from the market for other expensive consumer products.