[Bldg-sim] daylighting and energy performance

Matthew Higgins higgins at edi-arch.com
Tue Aug 26 14:36:28 PDT 2008

Ramana - Our office provides project specific analyzes of daylight 
performance and its impacts on energy performance, also considering 
quality of light and other helpful studies. I don't know of Prof Moeck, 
but I'd be happy to discuss performance aspects of daylight with you.

Your statement of the "Walmart" skylights may be true for certain 
building types, taking into consideration the spectral and thermal 
nature of the glazing, the type heating/cooling for the space, as well 
as size, location, and distance from finished floor of the skylights in 
question. I'm sure they took a lot of this into consideration as they 
are always trying to maintain the lowest possible utility costs and for 
that building type those skylights may be the most beneficial.

Matthew Higgins, LEED AP
Technical Specialist
Environmental Dynamics, Inc.
Architecture and Sustainability Consulting Services

Any data provided by the Consultant, verbal or written, are to be considered opinions of building energy and/or daylight performance. The Client understands that the Consultant has no control of occupant habits, equipment or material performance or characteristics, site or climate conditions or the Contractor's method of assembly, and that the Consultant's opinions regarding building energy/daylight performance are made on the basis of the Consultant's professional judgment and experience. The Consultant makes no warranty, express or implied, that the energy/daylight performance of the building will not vary from the Consultant's opinion of building energy/daylight performance.

Ramana Koti wrote:

> Dear all,
> I was once in a presentation by Prof Martin Moeck that was a 
> comparative study of energy performances of various daylighting 
> strategies. I vaguely remember simple skylights like in Walmart 
> performing better than roof monitors with louvers or something to that 
> effect.
> I don't even know if there is a paper written up on the subject 
> matter. I do not have Prof Moeck's current contact information so I'm 
> hoping to find him or someone else who can help through this email.
> Thanks,
> Sustainable Building Analyst
> ELEMENTS division of BNIM architects
> 106 West 14th Street Suite 200
> Kansas City Missouri 64105
> d 816.783.1635 f 816.783.1501
> bnim.com <http://bnim.com> | elements.bnim.com <http://elements.bnim.com>
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