Bob Blanchette's Discussions (518)

Discussions Replied To (26) Replies Latest Activity

"About 250 pascals in 1" of water column. HVAC filter operation at a typical 0.1" @ 1…"

Bob Blanchette replied Jan 22, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"We're talking about the surface same area as two 20x20 HVAC filters. 360CFM through…"

Bob Blanchette replied Jan 22, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"The 12" aluminum externally braced whirlybirds go for about $50 each, not unreasonab…"

Bob Blanchette replied Jan 5, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"Fair enough. Air will exit ridge vents, but at an insignificant rate. There is simpl…"

Bob Blanchette replied Jan 5, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"According to your formula, how hot does it have to be in a standard 8' tall attic in…"

Bob Blanchette replied Jan 5, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"If you must have the ridge vents installed, take a CLOSE look on how it's constructe…"

Bob Blanchette replied Jan 5, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"If homeowners aren't willing to have whirlybirds installed, large "turtle vents" can…"

Bob Blanchette replied Jan 5, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"I don't think powered fans make sense for Northern climates. Even in southern climat…"

Bob Blanchette replied Jan 5, 2013 to Ridge Vent NFA

15 Jan 5, 2013
Reply by Bob Blanchette

"The tiny pressures aren't enough for the ridge venting to work, it simply doesn't. T…"

Bob Blanchette replied Jan 5, 2013 to Attic ventilation with mixed soffit heights.

34 Apr 17, 2013
Reply by Bud Poll

"Another problem with NFA is is doesn't calculate the static pressure loss created by…"

Bob Blanchette replied Jan 5, 2013 to Ridge Vent NFA

15 Jan 5, 2013
Reply by Bob Blanchette

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George Matthews replied to George Matthews's discussion Shortridge 8400 Flowhood for A/C airflow testing in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Here are the pics of the flowhood and airdata manometer"
yesterday
Sarah Holloway posted a photo
yesterday
Joe Urycki added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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TEC blower door and UEI combustion analyzer for sale

For sale is one used TEC Minneapolis blower door system: Includes model 3 fan with rings A and B,…See More
yesterday
John Nicholas replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"The Nay side is well represented with the links already posted. I presented a neutral side, with…"
Friday
Ray Lehman replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"Hey John, Thanks for the information.  Very good empirical data. While I agree that running…"
Friday
John Nicholas replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"I have no links, just some anecdotal evidence. I had several Blower Door Tests done on my own home.…"
Friday
Chris Laumer-Giddens commented on Chris Laumer-Giddens's blog post Raising the BARrier in North Carolina Mountain Home, Air Tight Ceiling
"@Joe Nagan, We have found this technique to be WAY simpler and A LOT less labor than making a…"
Thursday
Judy Rachel replied to Blake Shurtz's discussion Testing spillage on induced draft furnace?
"I hope the attached picture is clear enough for you to see.  As the caption on the picture…"
Thursday

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