Some pressure blowers and fans are designed for clean air supply applications. Others are designed to handle the corrosive gases used in petrochemical plants and chemical processing operations.

Furnace filters designed to act as whole-house air filters add stress to the blower in an HVAC system by impeding airflow.

The blower motor is the fan that pushes heated or cooled air through dashboard vents based on the climate system settings and the fan speed selected. Adjusting the fan speed sends a signal through ...