We are modeling a new LEED school building that is an addition of an existing complex buildings. The simulation was made using HAP. We are using the existing school chiller to provide water to the new addition. The energy source is classified as a District Cooling (Option2). When we model the new building including the whole chiller plant system as the Treatment of District Thermal Energy 2009 requires, the energy savings drops from 22% without DES to 7% since is a small pie out of the big pie. A building with only 7% of energy savings does not comply with the EAp2 requirements which are 10% minimum. We are penalised for using DES, is this accurate?
LEEDuser Basic Member
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