All Discussions Tagged 'Stump' (4)

Discussions Replies Latest Activity

June's Stump the Chump: What's Wrong with this Picture?

Come check out BPI's monthly newsletter, Performance Matters! The image below was taken by Matt Schwoegler, a thermographer and infrared in…

Started by Mike Kandel

7 Jun 15, 2013
Reply by Sean Lintow Sr

Stump the Chump - March 2013

This month's stump the chump comes from a mystery contributor, a caped crusading building performance specialist from Burlington, Vermont.…

Started by Mike Kandel

10 Apr 25, 2013
Reply by David Eakin

Can you solve this month's stumper?

Here is your chance! Thanks to Bo Jespersen, President of The Breathable Home in Manchester, Maine for contributing February's home perform…

Started by Mike Kandel

0 Feb 21, 2013

BPI's April Stump the Chump: What’s Wrong with this Picture?

We know, we know. There’s a lot right with this picture, such as the gorgeous view of Lake Tahoe in the background and the awesome powder f…

Started by Cierra Mooney

3 May 15, 2012
Reply by Cierra Mooney

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David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Static pressure drop through a straight length of pipe is a function of friction rate, and friction…"
2 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Apparently the air passing over the PVC creates a strong static field that in turn impedes air flow."
2 hours ago
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Why would you think PVC has high resistance?"
3 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Thanks David - I was going to look at PVC for the HRV but was cautioned against it, not because of…"
3 hours ago
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Great post, Sean. I agree that screws are wise when joining metal ducts, but its also true that…"
3 hours ago
David Butler posted a discussion

Welcome Home Performance Forum Members (formerly RESNET BPI - Energy Audit and Home Performance)

Last month the Home Performance Forum merged with Home Energy Pros, now under the Home Performance…See More
4 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Various studies have indicated very little air flow along surface of duct (for ventilation - have…"
5 hours ago
Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"Hi Don. We have never considered screws as impeding airflow, but I can see how in some ducts (e.g.…"
6 hours ago

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