[bldg-sim] Horizontal shading in EQUEST

Jaya Mukhopadhyay jaya_mukho at yahoo.com
Wed Jan 17 15:25:16 PST 2007


I am examining several options for Horizontal shading for an office building using EQUEST.
  A synopsis of the answers is as follows:
                      Total Annual Energy MBTU  Space Cooling MBTU  Space Heating MBTU    Unshaded Option  8380  2411.9  308.1      2.5 ft Horizontal shading on East West and South
   
  7936.8  2178.8  284.2    5 ft Horizontal shading on East West and South     
  7835
     
  2158
     
  269.7

   
  The Questions:
  1. Its very baffling to see the heating consumption go down too. I wanted to see an increase in heating on implementing the shading devices. How can I justify that decrease?
   
  2. The building has a total area of 210273 sqft. with 15 ft deep perimeter zones. The shading reduces the energy consumption by 5 to 6 %. Is that acceptable?
   
  Any help is greatly appreciated.
  Thank you 
  Jaya Mukhopadhyay

 
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