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Annual heat demand as OpenStudio output variable?

I'm wondering if anyone knows if total heat demand exists as an openstudio output variable, as I can't seem to find it. By total heat demand I mean the sum of: air infiltration losses + building envelope losses + energy to heat ventilation air.

The way I am currently getting this number is by running Ideal Air Loads, then recording that number as the total heat demand. However, when heat recovery is involved, ideal air loads cannot be used, so I have to make an equivalent heating source that is 100% efficient to match the ideal air loads scenario, then add heat recovery equipment. This method is relatively time consuming so wanted to know if there is a built in feature that could be used.

Thanks for your help!

Annual heat demand as OpenStudio output variable?

I'm wondering if anyone knows if total heat demand exists as an openstudio output variable, as I can't seem to find it. By total heat demand I mean the sum of: air infiltration losses + building envelope losses + energy to heat ventilation air.

The way I am currently getting this number is by running Ideal Air Loads, then recording that number as the total heat demand. However, when heat recovery is involved, ideal air loads cannot be used, so I have to make an equivalent heating source that is 100% efficient to match the ideal air loads scenario, then add heat recovery equipment. This method is relatively time consuming so wanted to know if there is a built in feature that could be used.

Thanks for your help!