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The only an enthalpy wheel motor is included under heat recovery if you set the type to 'enthalpywheel' in the HeatExchanger:AirToAir:SensibleAndLatent object. Otherwise, all energy in your ERV is from the supply and exhaust fans which are included under the Fans end use. You can set an energy use subcategory on these fans to split out which ones are in ERVs vs. others in the building.

The only an Only the enthalpy wheel motor is included under heat recovery if you set the type to 'enthalpywheel' in the HeatExchanger:AirToAir:SensibleAndLatent object. Otherwise, all energy in your ERV is from the supply and exhaust fans which are included under the Fans end use. You can set an energy use subcategory on these fans to split out which ones are in ERVs vs. others in the building.