christian kohler
  • Berkeley, CA
  • United States
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christian kohler's Page

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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

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LBNL
Website URL
http://windows.lbl.gov/Christian

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Sandra K. Adomatis, SRA posted a photo

Adomatis Awarded Outstanding Service

Appraisal Institute President Scott Robinson, MAI, SRA, AI-GRS awarded Sandra Adomatis the…
6 minutes ago
Sean Lintow Sr replied to Larry Nissman's discussion Foam insulation on attic floor
"The insulation job is quite simply a freaking eyesore & mess - with that it shouldn't be…"
6 hours ago
Sean Lintow Sr replied to Melissa Baldridge's discussion IECC 2012 & 2015 Compliance & HRVs
"commercial is 67% efficiency & 2.8 cfm per watt for residential as I recall on 2015 which…"
7 hours ago
Simon added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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Advice needed please

I'm looking to build my own blower unit for use with the minneapolis system.Please could anyone…See More
10 hours ago
Simon joined Kim Tanner's group
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TEC

Discussion group for The Energy ConservatoryHave a question about residential or big building air…See More
10 hours ago
Rob Madden, Solar Home Broker replied to Rob Madden, Solar Home Broker's discussion Indoor Air Quality Monitors and Meters
"With a Foobot, are you able to recalibrate the sensors?  While I like the price and the…"
23 hours ago
Steve Mann replied to Steve Mann's discussion Eliminator EF400 Smoke Machine in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Yes it is. Steve"
yesterday
Laurie DiDonato updated an event
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Become a HERS Rater with the NE HERS Alliance this fall! at Classroom Component at Energize Connecticut Center

September 19, 2016 at 9am to October 21, 2016 at 5pm
Online Component: September 19th-30th - Weekdays 9am-12pm5-Day Classroom/Field Training:October…See More
yesterday

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