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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Rick Karg replied to Carly@AirCycler's discussion The (Small) Cost of Ventilation Without Recovery
"As a member of the ASHRAE 62.2 committee (and president of Residential Energy Dynamics, the author…"
13 hours ago
Bradford E. White replied to Elizabeth Guinn's discussion ERV in need of backflow preventer.
"I would use an in-line backdraft damper such as Artis Industries or the ones made by Fantech and…"
yesterday
Kim Tanner posted a video

Wireless Air Leakage Testing

This webinar will discuss the use of WiFi technology to conduct and document blower door and duct leakage tests for compliance with local energy codes. The s...
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Breaking the link between unhealthy homes and unhealthy kids

Listen in on IAQ Radio to a discussion on reducing the household triggers that cause asthmaattacks…See More
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Kirsten Richnavsky posted a discussion

Breaking the link between unhealthy homes and unhealthy kids

Listen in on IAQ Radio to a discussion on reducing the household triggers that cause asthmaattacks…See More
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Ottawa Furnace Filters posted a blog post

Some Useful Information about Furnace Air Filters

There is not much we can do about the air pollution outside of a house in Ottawa, Canada, but we…See More
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