EC VS AXIAL: Ulrik Vadstrup, HVACR segment manager at ABB and guest columnist for ES News, shares insights on motor technology for HVAC. March 3, 2026 Electronically Commutated (EC) fans have ...

Kristin is a lead editor at Forbes Home and has nearly a decade of professional experience as a writer and editor. She's previously worked at sites like Talking Points Memo, Insider, Delish, Angi and ...

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 ...