Bob Blanchette's Discussions (525)

Discussions Replied To (27) Replies Latest Activity

".57 pascals is a low pressure, not enough to overcome the resistance of the filter a…"

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

34 Apr 17, 2013
Reply by Bud Poll

"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

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Discussion Forum

Water Saver or Gimmick?

Started by Sean Lintow Sr. Last reply by Keith Tripp 23 seconds ago. 23 Replies

Moisture/Mold on rim joist

Started by John Shillito. Last reply by Bob Krell Oct 12. 11 Replies

Radon - Passive Systems

Started by Sean Lintow Sr. Last reply by Bryan Gabriel Jan 5. 5 Replies

Vented Soffit! DO or DON'T?

Started by Daniel Baur-McGuire. Last reply by Daniel Baur-McGuire Nov 15, 2016. 13 Replies

Duct Testing - is a change in order?

Started by Sean Lintow Sr. Last reply by Sean Lintow Sr Aug 6, 2015. 20 Replies

Latest Activity

Keith Tripp replied to Sean Lintow Sr's discussion Water Saver or Gimmick? in the group Best Practices (Residential)
"Interesting to see that recirc. has been in use for many years in some places. It is still a…"
22 seconds ago
Mahendra Shah replied to John Krochmalny's discussion Psychrometric Chart Training
"John Thanks for show and tell tutorial"
25 minutes ago
Walter Money replied to David Butler's discussion How would you insulate this roof?
"Gentlemen, and ladies, So, as I read this, I see a perfectly good roof that works in serious…"
2 hours ago
tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"Those are DIY install prices - not that cost is relevant now. If the goal is to go carbon free,…"
2 hours ago
Profile IconAndy Piercefield, Paigh Bumgarner, Blake Reid and 4 more joined Home Energy Pros Forum
3 hours ago
Marc Tannenbaum's blog post was featured

3 Issues HVAC contractors Should Know About Impacting Customer Comfort and Health

There is an epidemic of people suffering in many of the 100 million homes across the U.S.  Many of…See More
3 hours ago
Stanley Layman replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"A tankless water heater can be a bit pricey. Tankless water heaters can range from $300 to $1100 or…"
4 hours ago
John Hatfield replied to David Butler's discussion How would you insulate this roof?
"David I think the finish edge application is critical but several un-knows exist. Such as how far…"
19 hours ago

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