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I'm trying to make base and change cases for energy efficiency comparisons for HVAC optimization. One measure I plan to implement is premium efficiency motors on HVAC fans. The only thing I see that ties into this would come from the fan efficiency field. Can anyone explain what goes into the fan efficiency, and how I would be able to directly change the motor efficiency of the fan in Open Studio or energy plus?

I'm trying to make base and change cases for energy efficiency comparisons for HVAC optimization. One measure I plan to implement is premium efficiency motors on HVAC fans. The only thing I see that ties into this would come from the fan efficiency field. Can anyone explain what goes into the fan efficiency, and how I would be able to directly change the motor efficiency of the fan in Open Studio or energy plus?