> How would you do this, when a huge percentage of that engergy draw comes from appliances that don't get sold with the house?
With rule for a specified list of standard appliances that the draw would be calculated based on the higher of actual consumption of installed appliances (if any) or standard values based on something like mid-range energy star consumption for a specified feature set.
With rule for a specified list of standard appliances that the draw would be calculated based on the higher of actual consumption of installed appliances (if any) or standard values based on something like mid-range energy star consumption for a specified feature set.