A true central air conditioning system uses ducts to distribute ... The refrigerant cools the air, dehumidifying it in the process; a blower circulates air through ducts throughout the house.

Air conditioning systems operate on a basic ... mold buildup and reduce the risk of future clogs. In a central AC system, the main blower forces cold air through the ducting and from there into ...

The latter comprises a blower — i.e., the motor of a powerful ... Speaking of costs, since a forced air heating system and your central air conditioner use the same ducts to heat and cool ...