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Forum discussion threads - what to do when you reach a reply limit

Bud Poll pointed out to us that a couple of threads lately have become difficult to follow because of a limit to the number of comments in…

Started by Diane Chojnowski in General Forum

4 Sep 27, 2012
Reply by Diane Chojnowski

How much should I demo -- deep retrofit

the more I look at the potential of remodeling our 100-year-old house, the more I think about super-insulating the walls. I'm looking for e…

Started by Don Hynek in General Forum

8 Sep 27, 2012
Reply by Robert Riversong

Controlling Passive Air Flow

I'm opening a separate discussion under a new thread as this one: http://homeenergypros.lbl.gov/forum/topics/locating-the-neutral-pressure-

Started by Bud Poll in General Forum

77 Sep 27, 2012
Reply by Robert Riversong

The science of hot air rising

Evan, I'm hoping you will comment on this. Since energy myths are front and center at the moment I would like to discuss a single myth, the…

Started by Bud Poll in General Forum

141 Sep 26, 2012
Reply by Robert Riversong

Work in cold climate? Come to WI to check out Joe Nagan's cold climate homes course

Minimize lost profit, time and resources while improving the performance, efficiency and durability of the homes you build. Discover exactl…

Started by Anna Svensson in General Forum

0 Sep 24, 2012

I was asked - Hey , LED guy do you have any recommendations...

So these day's I get asked that question either posed by friends & associates or in my role in solid state lighting sales. The question…

Started by Dennis McCarthy in General Forum

3 Sep 21, 2012
Reply by Roch Naleway

BPI Signs MoU with Zehnder America to Provide Quality Assurance Commissioning Services

The Building Performance Institute, Inc. (BPI) and Zehnder America are pleased to announce a Memorandum of Understanding allowing BPI's Qua…

Started by Mike Kandel in General Forum

0 Sep 19, 2012

Locating the Neutral Pressure Plane

I am not an energy Rater .. I am an architect I am curious if any "Home Energy Pros" make an effort to locate the Neutral Pressure Plane (N…

Started by John Brooks in General Forum

49 Sep 18, 2012
Reply by Bud Poll

Residential ventilation levels

I'm looking for clarification on required ventilation levels in residential settings.  For instance if I have a home that indicates an ach…

Started by Eric Sperline in Best Practices

38 Sep 16, 2012
Reply by Robert Riversong

Consumer Energy Scam Watch

Open4Energy publishes lists of products that we believe make unreasonable claims in how they save consumers energy - which we define as "sc…

Started by Alexander Bischoff in General Forum

15 Sep 15, 2012
Reply by Curt Kinder

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Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Walter Ahlgrim 13 hours ago. 3 Replies

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy 17 hours ago. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas 23 hours ago. 2 Replies

Strange IR Image

Started by Larry Nissman in General Forum. Last reply by Brad Cook Mar 9. 7 Replies

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Sarah OConnell posted a blog post

Crowdsourcing for Innovation

Share Your Ideas!Novel Building Envelope Design for Increased Thermal PerformanceIn 2014, more than…See More
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Walter Ahlgrim replied to Steve's discussion Too many BTU's. Too much horsepower?
"The 5 ton system you have is not 500 hp racecar engines they are 500 hp truck engines. The duct…"
13 hours ago
Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"So I wanted to start with a basic who can help then go into more detail later. But yes find…"
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Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"My tutor got back to me and while areas don't quite feel right a little to much assumptions…"
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Brennan Less replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"Daniel, I'm assuming you're trying to predict the airflows through the different openings…"
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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
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John Nicholas replied to Brad Cook's discussion BDT with vermiculite in hollow CMU walls?
"If the drywall is in good shape, you should have little worries about the 50pa depressurization…"
23 hours ago

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