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NC-2009 EAc1:Optimize Energy Performance

(Jacob) Interior Courtyard Glazing + Energy Model

I have a design using a full building energy model in order to achieve as many credits as possible under EAc1. While developing the base model I noticed ASHRAE only allows for 40% glazing per elevation (with some exceptions) in order to not be "penalized" in respect to energy performance. However, if I have interior courtyards that are mostly glazing will they need to be included in my exterior percentage? And if so, how does it apply (ie, interior west-face is added to exterior west face total? etc)

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Fri, 04/19/2013 - 14:31

Assuming the courtyards do not have a roof then the windows would be considered exterior. They get applied just like any other window in equal proportion around each exterior exposure..

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