christian kohler
  • Berkeley, CA
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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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Profile IconSharon Cannizzo, Katrina Ball, Mary Patterson and 1 more joined Home Energy Pros
1 hour ago
Craig Bird replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"I agree and studies done will agree with you in those cases too - it makes sense when there is…"
11 hours ago
Hal Skinner replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"You might want to check out this discussion in my…"
15 hours ago
Craig Bird replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"In this scenario the walls were made of R35 rigid foam. Even if ex-employee of big energy company…"
16 hours ago
Sean Lintow Sr replied to Kevin Jordan's discussion air infiltration total
"Sorry I don't have anything handy but pull a search for EqLA equivalent leakage…"
Sunday
Erik Henson commented on Andrew Navolio's blog post MEEA assists with Home Energy Certification programs
"It seems to me like we are trying to re-invent the wheel.  There are several available…"
Saturday
Egr renovations posted a status
Saturday
Craig Bird replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"Actually emissivity rating doesn't make much of a difference between coatings because almost…"
Saturday

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