[Bldg-sim] Unusual Result

Jaigath Chandraprakash cjaigath at yahoo.com
Fri Sep 24 02:59:00 PDT 2010


The project I am working on is an office building that operates 20 hrs per day 
with most of the loads occuring at night and low occupancy on daytime. It is a 
cooled by a DX roof unit and has a very high internal load. No heating equipment 
is required because the building is in Climate 1. I was surprised that when I 
changed my window U-value from 0.3 to 0.7 I got less cooling consumption. I 
always thought that getting low u-value will give me less coling consumption. 
Can somebody tell me why I am getting less cooling when I use a higher window 
U-value?

Thanks,

Jaigath


      
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