Iain Walker
  • Alameda, CA
  • United States
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Iain Walker's Friends

  • Rebecca Olson
  • Elizabeth Russell
  • Bill Spohn
  • Rod Fox
  • Home Energy Magazine
  • Eric Fick

Iain Walker's Groups

 

Iain Walker's Page

Latest Activity

Iain Walker replied to Blake Shurtz's discussion Crawlspaces in Bay Area
"It depends where you are in the Bay Area.  If on high ground with dry soil there isn't much effect.  But in my old house in Alameda where water came up out of the ground when it rained and the soil surface was permanently wet then the…"
Jan 9
Iain Walker replied to Roman's discussion Range Hood Draft
"ASHRAE 62.2 specifies a 100 cfm minimum but some recent experimental work at LBNL suggests that 150-200 cfm might be nearer the mark for most range hoods. The question is - where is the other 125 cfm coming from?  Microwave range hoods often…"
Sep 23, 2013
Iain Walker replied to George Kopf's discussion ASHRAE 62.2.2010 and the $20 app
"In the interests of full disclosure I will start by letting you know that I am a member of the 62.2 committee.  I would to know what parts of 62.2 are confusing because we want a usable standard. If you could elaborate, maybe I (or other…"
Jan 11, 2013
Iain Walker replied to Eric Sperline's discussion Residential ventilation levels
"The ASHRAE ventilation Standard is NOT about replacing oxygen - it really is about diluting and removing pollutants that are generated indoors by bringing in outside air - wether that is through ducts using a supply fan or through the building…"
Aug 16, 2012
Iain Walker replied to Mike Kandel's discussion BPI's August Stump the Chump! in the group Building Performance Institute (BPI)
"Its the block heater. "
Aug 16, 2012
Iain Walker 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 for residential energy efficiency retrofit work.See More
Aug 16, 2012
Iain Walker replied to George Kopf's discussion Heat loss from ducts
"You can use ASHRAE Std 152 that was developed explicitly to do this.  Some of the inputs can be a bit obscure - particularly trying to estimate thermal regain but this paper has some reasonable defaults: On-line PDF version There is also a…"
Aug 9, 2012
Iain Walker commented on Home Energy Magazine's blog post Advice from a Homeowner
"Even as I type this my home is recovering from having blown in insulation installed in the walls through exterior stucco and also through lath and plaster.  The exterior holes are for the first floor and interior holes are for the second floor…"
Oct 25, 2011
Iain Walker is now friends with Eric Fick and Bill Spohn
Mar 16, 2011
Iain Walker and Carol A. Markell are now friends
Nov 2, 2010
Iain Walker is now a member of Home Energy Pros
Oct 28, 2010

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LBNL

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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

Kris Grube added a discussion to the group Job Board
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Good Energy Retrofit, Portland, Or. Hiring Home Performance Salesperson.

Good Energy Retrofit is a small and focused, woman owned and operated, specialty residential…See More
15 minutes ago
Benjamin Gromicko posted events
1 hour ago
Nate Adams joined Diane Chojnowski's group
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Hall of Shame

In this group, members share an array of images from the field, showing the kinds of issues…See More
1 hour ago
tedkidd commented on Diane Chojnowski's group Hall of Shame
"Give this thread a bump - here's my "bad" album and some of the…"
2 hours ago
Eric Kjelshus commented on Adam Swain's blog post Top Worst Crawl Space Insulation Ideas
"6) Radiant barrier- under the gravel is just a barrier but with holes each square inch its not a…"
2 hours ago
tedkidd replied to Luis Hernandez's discussion Distribution Efficiency and heating safety factor in TREAT in the group TREAT Software
"It is very common to find equipment grossly oversized. I mean 1.5 - 2x Manual J and 2-3x the size…"
2 hours ago
tedkidd replied to Luis Hernandez's discussion Basic Heat loss information in the group TREAT Software
"Luis,  Click "selected reports, energy savings and use, design heating and cooling…"
2 hours ago
Ed Minch replied to Kurt Shafer's discussion Where can I find the best radiant barrier to install under my roof?
"The important thing here is the surface temperature of the ceiling against the attic as compared to…"
2 hours ago

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