HVAC (Central Air Conditioning)

by | Jul 30, 2000 | Green Terms "H"

HVAC stands for heating, ventilation, and air conditioning. Central air conditioners circulate cool air through a system of supply and return ducts. Supply ducts and registers (i.e., openings in the walls, floors, or ceilings covered by grills) carry cooled air from...

Air Conditioning

by | Jan 12, 2000 | Green Terms "A"

(Also see HVAC). Two-thirds of all homes in the United States have air conditioners. Air conditioners use about 5% of all the electricity produced in the United States, at an annual cost of more than $11 billion to homeowners. As a result, roughly 100 million tons of...