Greenheck has released its new, 16-page energy guide on fan efficiency grades. The reference book provides readers with information on FEG ratings as well as tips for reducing fan energy usage. The guide also highlights the 19 Greenheck fan models that are licensed to bear an Air Movement and Control Association seal, which include: model QEI/QEID mixed-flow fans, HPA housed plenum fans, and QEM/QEP plenum fans.

Greenheck, P.O. Box 410, Schofield, WI 54476-0410; (715) 359-6171; fax (715) 355-2399;