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Min/Max Cooling/Heating air temperatures for ASHRAE 90.1

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Jean Marais
b.i.g. Bechtold DesignBuilder Expert
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David Hubka
Director of Operations
Transwestern Sustainability Services
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Sat, 02/12/2011 - 17:39

There are no max/min delivery air temperatures however you must provide a delta T of 20 degrees between supply air and space temperature when modeling the baseline. The energy modeling program will increase the supply volume, which will increase the fan power as calculated per Appendix G.

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