Download Adding Central Air To Forced Air Heat Images. Usually, forced air refers to the heating system and central air refers to the cooling system. Central heating systems can refer to furnaces and boilers because the heat is generated in a central location and then distributed throughout the house.
In many cases, however, they are used interchangeably.
Heat pumps are especially convenient in this. Central heating systems can refer to furnaces and boilers because the heat is generated in a central location and then distributed throughout the house. A forced air heating system simply refers to units that use air to carry warmth throughout a space. Central air uses a single unit to cool the entire house.