Central Aircon: What House Owners Are Required to Know

http://messiahkbti441.weebly.com/blog/ten-unusual-pointers-for-keeping-your-family-cool-with-a-wrong-sized-ac

Central air conditioners distribute 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) bring cooled air from the