Graham Irwin's Discussions (19)

Discussions Replied To (19) Replies Latest Activity

"If you applied 100 CFM to the kitchen on demand, it would meet the 62.2 requirement,…"

Graham Irwin replied May 1, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"This is pretty unsettling! To clarify, the presence of a recirculating hood is not a…"

Graham Irwin replied May 1, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"0.006 ACH50 would be better, but not feasibly attainable. 1.5 vs 0.6 ACH50 makes a b…"

Graham Irwin replied Apr 30, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"True, a vessel leaking water at the same rate would lose more energy, but since the…"

Graham Irwin replied Apr 30, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"I take issue with your reasoning. Since Passive House is a performance metric, the c…"

Graham Irwin replied Apr 30, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"It's interesting to me that ASHRAE 62.2 requires a kitchen exhaust vented directly t…"

Graham Irwin replied Apr 30, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"I've been involved with a number of Passive House retrofits in California, including…"

Graham Irwin replied Apr 24, 2014 to Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.

85 May 22, 2014
Reply by Kaushal Bharath Raju

"Remember to convert CFM (cubic feet per MINUTE) to cubic feet per HOUR (i.e. ft3/hr…"

Graham Irwin replied Jan 27, 2014 to Calculating BTU lost per cfm leaks

23 Feb 1, 2014
Reply by Dmitri A Martin

"Bud, "In an article from one of the developers of the "n" number he stated the resu…"

Graham Irwin replied Jan 27, 2014 to Calculating BTU lost per cfm leaks

23 Feb 1, 2014
Reply by Dmitri A Martin

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Colin Genge replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Being a novice at CO, I looked up permissible and ambient levels that appear to be 10 PPM and about…"
43 minutes ago
Profile IconColin Genge, Jeff Martin and 2 other members joined Leslie McDowell, BPI's group
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Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization…See More
43 minutes ago
Jeff Martin replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Since the obvious suspects for the CO were ruled out, certainly a head scratch moment.  If…"
1 hour ago
Joshua Moore commented on Jim Gunshinan's video
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GoGreen Portland 2014: The Myth of Apathy - Renee Lertzman, Ph.D

"Nice insights.  Engagement defined as a "genuine interest in collaboration, in…"
3 hours ago
Dmitri A Martin replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"The detectors could have been giving false positive readings due to cleaning chemicals as it is…"
3 hours ago
Joshua Moore replied to Kirsten Richnavsky's discussion Let's Play Stump the Chump! in the group Building Performance Institute (BPI)
"Great thread - when will you post the solution?"
4 hours ago
scottscontracting replied to scottscontracting's discussion Natural Insulation Poll
"D.Chojnowski, Thanks for the heads up, corrected the links and added that people could comment here…"
4 hours ago
Diane Chojnowski replied to scottscontracting's discussion Natural Insulation Poll
"The link goes to an error message. Would you please repost the correct link? Thanks!"
4 hours ago

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