[BLDG-SIM] effect of window blinds on solar heat gain

Stirling Walkes Swalkes at smseng.com
Thu Sep 28 09:35:42 PDT 2006


Alec,
 
 
Attached is a link to a Carrier HAP document regarding this issue.
 
http://www.xpedio.carrier.com/idc/groups/public/documents/marketing/hap_ehelp_009.pdf?SMSESSION=NO 
 
Regards,
 
 
 
V. Stirling Walkes, P.Eng., LEED AP
SMS Engineering Ltd.
770 Bradford Street 
Winnipeg MB R3H 0N3 Canada
phone: 204.775.0291
fax: 204.772.2153
Swalkes at smseng.com 

>>> "Alec Stevens" <astevens at dmiinc.com> 9/27/2006 2:01 PM >>>

Hi,
Does anyone have any source that documents the effect of (interior) window blinds on solar heat gain?
We are working on a project with motorized blinds that would respond to a photocell.  The blinds are a fabric mesh that allows 40% visible transmittance.
 
Has anyone used a reliable factor to account for any reduction in solar heat gain from this type of window blind?
 
Thanks for any info that you may have!
 
Sincerely,
Alec Stevens, PE, LEED AP
DMI
450 Lexington St., Newton, MA 02466
p: 617-527-1525 x105 f: 617-527-6606
e: astevens at dmiinc.com
 
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