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.

Latest Activity

richard gaughan posted a discussion

Advice for heating a 3-story Vermont home built in 1900?

I'm a science writer, as opposed to an energy professional, and I joined this group to try to keep…See More
3 hours ago
Christopher Talarico posted a discussion

Heating with Tankless Water Heater & Hydronic Air Handler vs. Gas Furnace

Hi,I've looked around online and haven't found a lot of good information on home heating with…See More
13 hours ago
Profile IconSara Sabol, Christopher Talarico and Aaren Stewart joined Home Energy Pros
16 hours ago
Hal Skinner replied to Andy Gostisha's discussion Disguising Ductless Heat Pump Units
"Hi Andy. The bare metal units on a roof stick out like a sore thumb .  Coating them with our…"
16 hours ago
Paul Morin replied to Stephen Standley's discussion Which reading is more reliable on a Minneapolis Duct Blaster?
"Sorry for chiming in so late.  Sean’s comment early on in the discussion was the closest…"
19 hours ago
jerry gentile posted a status
"hello- anyone challenge the written QCI exam?"
22 hours ago
Kevin Jordan posted photos
yesterday
Susan E. Buchan's event was featured

EEBA Excellence in Building Conference at Doubletree Union Station Hotel

September 23, 2014 at 8am to September 25, 2014 at 2pm
yesterday

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