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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Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.  Home Energy Pros is sponsored by the Better Buildings Residential Network.

Latest Activity

Colin Genge posted videos
1 hour ago
Tim Jones replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Was there a blech on the stove? Used to cover the flame on a gas stove, sometimes it does not have…"
3 hours ago
Colin Genge replied to Blake Shurtz's discussion Duct blaster with asbestos?
"Two states have concluded that blower door testing does not increase the liability wrt asbestos.…"
3 hours ago
Christopher Morin posted a blog post

HVAC Industry: Who wins with High Warranties?

During the sales process, it is inevitable warranty periods will be raised.  I remember raving…See More
6 hours ago
Colin Genge replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Being a novice at CO, I looked up permissible and ambient levels that appear to be 10 PPM and about…"
7 hours ago
Profile IconColin Genge, Jeff Martin and 2 other members joined Leslie McDowell, BPI's group
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Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization…See More
7 hours ago
Jeff Martin replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Since the obvious suspects for the CO were ruled out, certainly a head scratch moment.  If…"
7 hours ago
Joshua Moore commented on Jim Gunshinan's video
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GoGreen Portland 2014: The Myth of Apathy - Renee Lertzman, Ph.D

"Nice insights.  Engagement defined as a "genuine interest in collaboration, in…"
9 hours ago

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