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

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

peter chang replied to peter chang's discussion Programmable tstat for electric baseboard?
"Yes, in fact I did just that for my kitchen toe-kick heater because the original thermostat was on…"
4 hours ago
Bob Blanchette replied to peter chang's discussion Programmable tstat for electric baseboard?
"Savings depends a LOT on how it's programmed. I've even done a setup with a contactor,…"
11 hours ago
Bob Blanchette replied to Hal Skinner's discussion Any success getting landlords to energy upgrade a single family rental unit?
"Sell utility subsidized services to the tenants. It has to pay back within a year though."
11 hours ago
Tom Mallard replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Thx, Robert. Being a PNWester where crawl spaces are moist or wet seasonally & some sites never…"
14 hours ago
Hal Skinner added a discussion to the group The RCC Classroom (Radiant Control Coatings)
14 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"I can only speak for the one I have worked with over t6he years.  We have a certification for…"
15 hours ago
Chad Mcaulife replied to Chad Mcaulife's discussion BPI QCI Cert.
"Thanks for the reponses.  I have a 40 hr class staring 12-8-2014 which should prepare me for…"
15 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Hi George, I can see where this could be a HUGE issue in Canada.   We spray our RCC directly…"
16 hours ago

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