Code-Compliant Fan Selection: ecaps.greenheck.com Greenheck's eCAPS® online product selection program includes the Fan Energy Index (FEI) giving you a powerful engineering tool to select the best fan system for your application and help you select fans that meet or exceed ASHRAE 90.1 and comply with state energy code requirements. Enter a few project requirements and eCAPS® will fi nd and rank the best fans based on cost and performance Compare FEI metrics side-by-side with sound levels, performance, fi rst cost and operating cost data Create schedules incorporating FEI, share code-compliant product cut sheets, and download AutoCAD® and Revit® drawingshttp://ecaps.greenheck.com