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

Latest Activity

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

Profile Information

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

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Tyler Grubbs posted an event

Join a Demonstration of the Oak Ridge National Lab Buildings Tech Crowdsourcing Community at Online

April 9, 2015 from 2:30pm to 3:30pm
Oak Ridge National Laboratory will host a live webinar-"Getting the Most Benefit from Participating…See More
1 hour ago
randy tolowski replied to randy tolowski's discussion Another unvented roof question
"you are correct. we won't know how these new products perform long term. I hope I get the ok…"
Saturday
randy tolowski replied to randy tolowski's discussion Another unvented roof question
"good info Sean thanks for the heads-up on calling it a sip. code approved hot roof system sounds…"
Saturday
Bud Poll replied to randy tolowski's discussion Another unvented roof question
"I've removed caulking that was over 30 years old and it outlasted the materials to which it…"
Friday
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Corbett Lunsford posted videos
Friday
Sean Lintow Sr replied to randy tolowski's discussion Another unvented roof question
Friday
randy tolowski posted discussions
Friday

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