What is the primary function of a blower motor in a gas furnace?

The primary function of a blower motor in a gas furnace is to circulate heated air throughout the home. When the furnace produces warmth by igniting gas in the combustion chamber, the blower motor activates to draw in air from the living space, push it over the heat exchanger where it gets warmed up, and then distribute that heated air back into the home through ductwork. This cycle is essential for achieving a comfortable indoor temperature.

Without the blower motor, the heated air created by the furnace would not efficiently reach the rooms, leading to uneven heating and decreased comfort. The blower’s ability to move air also aids in the continuous distribution of heat, ensuring that the living environment remains consistent and pleasant. This role is a critical component in the functioning of a gas furnace, making it vital for operational effectiveness.