Permanent split capacitor (PSC) condenser fan AC motors run with a required capacitor that decreases the amount of power consumed for a given load making them more energy efficient than shaded pole motors. They have a high starting torque and energy efficient performance with a cooler operating temperature.

Three-phase condenser fan AC motors are highly efficient with an ultra-high starting torque compared to single-phase models. They require no capacitor, start winding, centrifugal switch, or other starting device that can wear out and fail.

Three-phase inverter duty condenser fan AC motors, also known as inverter rated or vector duty, can be controlled with a variable frequency drive (VFD) for more control over torque and speed for greater efficiency compared to single-phase motors. Some motors come with shaft grounding rings that provide a path for voltage spikes to bypass metal bearing components and protect them from damage due to electrical arcing.

Multi-HP permanent split capacitor (PSC) condenser fan AC motors, also known as truck stock motors, feature a multi-horsepower configuration that can replace condenser fan motors within a specific horsepower range. They come with a plug that can reverse the motor shaft rotation. Motors have a high starting torque and come with a capacitor that decreases the amount of power consumed for a given load making them more energy efficient than shaded pole motors.

Electronically commutated (EC) condenser fan AC motors, also known as "brushless DC" condenser fan motors, have a built-in microprocessor controller that allows the user to control the motor speed. They are more energy efficient than single-speed general purpose AC motors and can replace shaded pole and permanent split capacitor motors used in refrigeration and air conditioning equipment.