Restoring multiple speeds to your auto heater/air conditioner blower by replacing a resistor module is a simple repair.

Replacing a condenser fan motor on HVAC equipment is a relatively simple job for technicians, but it’s always good practice to review the steps to make sure it’s done properly and safely. The most ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...