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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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.

Latest Activity

Craig Bird commented on Hal Skinner's group The RCC Classroom (Radiant Control Coatings)
"Kurt - Radiant heat transfer does not heat the air. It is the passing heat directly from hot object…"
6 minutes ago
Steven Turetsky replied to John Shillito's discussion Fixing a water heater?
"Hello John (and everyone else in the forum), I'm a new visitor at this forum and it this is my…"
8 minutes ago
Kevin Jordan posted a status
"I have questions about approaching the real estate industry? I need help."
9 minutes ago
Kurt Shafer commented on Hal Skinner's group The RCC Classroom (Radiant Control Coatings)
"And, Mr. Bird, in my experience the attic floor is not heated by radiation from the roof so much as…"
30 minutes ago
Kurt Shafer commented on Hal Skinner's group The RCC Classroom (Radiant Control Coatings)
"Mr. Byrd,  I did not accept my IR camera data off hand, I could FEEL the heat. What I am…"
32 minutes ago
Don Fitchett commented on Michael Stuart's group INFRARED THERMOGRAPHY USERS
""This is the only provider of Online Infrared Thermography Training course that meet the…"
33 minutes ago
Craig Bird commented on Hal Skinner's group The RCC Classroom (Radiant Control Coatings)
"Kurt Schafer - I would be careful measuring temperatures with an IR Camera as a part of a…"
44 minutes ago
Hal Skinner commented on Hal Skinner's group The RCC Classroom (Radiant Control Coatings)
""you need spectral analysis by wavelength to get directional transmission rates black-body…"
55 minutes ago

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