What is the primary function of a blower motor in a forced-air heating system?

The primary function of a blower motor in a forced-air heating system is to circulate air. This critical component is responsible for moving heated air from the furnace through the ductwork and into different areas of the home. By ensuring a consistent flow of air, the blower motor helps maintain even temperatures and enhances the overall efficiency of the heating system.

While other components in the system may perform functions such as igniting the burner or regulating temperature through various thermostatic controls, it is the blower motor that directly impacts air circulation, enabling the distribution of warmth throughout the living space. Without the blower motor, heated air would not effectively reach the rooms, leading to discomfort and inefficient heating performance.

The role of filtering dust is also important in heating maintenance, but it is primarily the responsibility of air filters, not the blower motor itself. Therefore, recognizing the blower motor's essential role in air circulation helps illustrate its significance within the forced-air heating system.