Thermal mass effects

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Hello,

I am new to eQuest. I am trying to model the effects of thermal mass
in the external walls on space conditioning efficiency. Does eQuest take
into account solar gain on the building walls? Why I ask is that I've
noticed that increasing thermal mass in the walls, (while maintaining the
same R-value), has no effect on the heating load and very little on the
heating demand. I also noticed that there doesn't seem to be a way to
specify external shading from trees, adjacent buildings, etc.

Peter

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