christian kohler
  • Berkeley, CA
  • United States
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christian kohler's Page

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christian kohler replied to Adam Zielinski's discussion Windows: Different Summer and Winter U values?
"Steve, Adam, Andre forwarded your question to me, that is why I responded here. Many manufacturers have products that meet U=0.30, since that was the cut-off for the IRS tax credit. If you are looking for even better windows, you can take a look…"
Nov 24, 2010
christian kohler replied to Adam Zielinski's discussion Windows: Different Summer and Winter U values?
"The winter U-value is what is shown on the NFRC labels, and should be used for code compliance and incentive programs. It is calculated at -18C (about 0F) outside, and 21 C (about 70F), and a roughly 15 mph wind speed. The summer U-value is…"
Nov 23, 2010
christian kohler is now a member of Home Energy Pros
Nov 23, 2010

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LBNL
Website URL
http://windows.lbl.gov/Christian

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Tom White's video was featured

Residential Energy+ - Rocky Mountain Institute from James Brown Media on Vimeo.

Residential Energy+ Rocky Mountain Institute

Residential Energy+ is a Rocky Mountain Institute (RMI) initiative enabling industry actors to capture the $150 billion residential energy upgrades market opportunity, and meet the top unmet demand among homeowners: improved home energy performance.
6 hours ago
Tom White posted a video
21 hours ago
Chris Stratton liked Kim Tanner's discussion Game of Homes
21 hours ago
Amber Vignieri posted a blog post
yesterday
ofer ben -nathan added a discussion to the group HVAC
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ofer ben -nathan joined Allison A. Bailes III's group
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HVAC

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements,…See More
yesterday
Mary Knox replied to Kim Tanner's discussion Game of Homes
"Sounds interesting. I will definitely try it."
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Judy Roberson joined Norm Bourassa's group
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Multifamily Buildings

For too long there has been relatively little EE focus on multifamily, but some new programs have…See More
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