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Daylighting and
Productivity - CEC PIER
www.newbuildings.org/pier
As of October 2003, the Heschong
Mahone Group has completed a second suite of major human performance studies on
behalf of the California Energy Commission's Public Interest Energy Research
(PIER) program. These include: a study of how skylighting effects the sales at a
second chain retailer; how physical comfort conditions in classrooms are
associated with student learning at Fresno Unified School District; and how
windows and how physical comfort conditions are related to office worker
performance at Sacramento Municipal Utility District offices. These new
productivity studies consider the impact of daylight on human performance, along
with other aspects of the indoor environment such as ventilation and view.
For the Pacific Gas and Electric
Company in 1999, we studied the correlation between daylight availability
and human productivity. The study was done in two parts. One part looked at
elementary student test scores in three school districts. The second part looked
at retail sales in a chain of 100+ similar stores. To obtain a copy of the
condensed reports, follow the link to Download
the Reports. Completing the registration form will give you access to the
download page. If you are interested in the details of the study methodology and
statistical analysis, this information is available. To request copies of these
detailed reports, contact Marlene Vogelsang, the Pacific Energy Center's
Resource Specialist, by e-mail at mxv6@pge.com or by phone at 415-973-7206.
To obtain a copy of the
additional analysis on daylighting in schools, completed on behalf of the
California Energy Commission in 2001 as a follow-on to the PG&E school
study, follow the link to download the re-analysis reports from the New
Buildings Institute website.
The information requested on this web site will be used to support this
program's efforts and to assist in your participation. The information may also
be used for reporting purposes to document program participation by users of
this web site. The information you provide will never be used for the purpose of
selling or soliciting any third-party commercial product, nor will it be shared
or sold to anybody else for such purposes. By filling in the requested
information you become a correspondent in this project, and you will be given
access to reports, fact sheets, program updates, announcements and other such
program information. We may also occasionally include you in e-mail
announcements and requests, or contact you regarding your participation in the
program. If you object to these terms for the use of your information, or if you
do not wish to receive any correspondence from us, you may request to be removed
from the program correspondent list by sending an email message to 
All such requests will be honored.
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