Description: Designed for use in residential and light commercial HVAC systems, this electronically commutated motor (ECM) is an efficient, pre-programmed, dual-voltage, dual-rotation motor. The user ...

Variable-speed options are abundant in HVAC and their impact has been felt industry-wide. Contractors and manufacturers alike have taken to these single- and two-stage alternatives as ways to enhance ...

Speed, torque, and horsepower are three inter-related parameters in motor control. The speed of a motor, measured in revolutions per minute (rpm), defines a motor's ability to spin at a rate per unit ...

Facility owners are now evaluating HVAC motor upgrades based on measurable operating-cost recovery, not just equipment ...

In this episode of “EC&M Tech Talk,” Randy Barnett, a journeyman electrician, electrical instructor, inspector, author, trainer, and electrical safety expert, first briefly discusses the background of ...

EC motor retrofits are reducing HVAC electricity consumption by 18-25% in commercial buildings, while rising power tariffs and retrofit demand reshape motor replacement economics ...