
impeller type

ECPFN
EC Plenum Fan, 7-Blades or 9-Blades
Application
Twin City Fan & Blower, the world’s largest supplier of plenum fans, now offers Electronically Commutated (EC) Plenum Fan Systems, part of the GridSmart™ EC Fan Systems Series. Our EC Plenum Fans include EC motors and provide industry-leading performance. The fans meet DOE regulations (FEI), integrate with HVAC and building controls, improve efficiency, and save time and money.
Sizes (impeller diameters)
- 20 to 27 inches (510 mm to 685 mm)
Performance
- Airflow to 18,000 CFM (30,580 m3/hour)
- Static pressure to 8 inches w.g. (1,990 Pa)

Brochures & Flyers
Installation manual
Link to Video Library
- How To Videos
Piezometer Ring Installation