Greenheck, a global player in manufacturing and distributing air movement and control equipment, has published a new sixteen-page Energy Guide on Fan Efficiency Grades (FEG). The Guide provides information on understanding FEG ratings and gives recommendations for reducing fan energy usage. The Guide also details Greenheck fans that are licensed to bear the FEG Certified AMCA seal. Nineteen Greenheck fan models bear the FEG AMCA seal, including model QEI/QEID mixed flow fans, model HPA housed plenum fans, and model QEM/QEP plenum fans.