[Equest-users] Window shade

[Sami, Vikram]

I'm not sure thats a surprising result. Depending on your window height, you might be over shading your window and reducing some of the passive solar heat gain in winter. I don't see how the shades will help in winter - they will reduce the heat gain.

The trick is always to balance out when your summer benefits outweigh your winter penalty. This is why we model - to optimize these aspects.


Vikram Sami, LEED AP
Sustainable Design Analyst
1382 Peachtree St. NE, Atlanta, GA 30309
t: 404-443-7462    f: 404.892.5823       e: vikram.sami at perkinswill.com   www.perkinswill.com<http://www.perkinswill.com/>
Perkins+Will.  Ideas + buildings that honor the broader goals of society


From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Bosch, Crina
Sent: Thursday, July 08, 2010 4:44 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Window shade

I have a residential building that needs to be modeled with window shading on the south side. When I input the shading 24" to each window on the south side of the building my heating during winter and the pumps results every month are increased and the shading doesn't help at all. This doesn't make any sense to me. In the winter time on the south side during summer the shading should help after theory. In the winter should help too because the sun will heat the windows and heat up the spaces.
Any help would be appreciated.
Thank you.

Crina Bosch




This email and any files transmitted with it are confidential and intended solely for the addressee. If you are not the named addressee you should not disseminate, distribute, copy, or alter this email.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/attachments/20100708/46d8ee8e/attachment-0001.htm>