We have a large institutional project with a small greenhouse facility at the perimeter of one of the classrooms. The greenhouse is part of the building envelope, but the systems are separated to preserve the greenhouse environment. How should the energy model address this piece? It is along the exterior of the building, is it acceptable to exclude this area?
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Karl Heitman
PresidentHeitman Architects Inc
4 thumbs up
June 9, 2014 - 1:10 pm
Kristina,
Is the greenhouse part of the current project scope? We have a project with a greenhouse on the roof, but since it's going to be built during the next phase after the building with a different funding structure, we are able to exclude it from current LEED boundary. If you include the greenhouse in the current LEED boundary, you are required to include the greenhouse process loads which is likely to have an adverse effect in your modeling.
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5869 thumbs up
June 9, 2014 - 3:11 pm
If it is in the project it must be modeled. You cold probably argue that it is a process load and model it identically in both models. On a large institutional project the effect should be very, very small.
Instead of asking for exclusions, seek better solutions.