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Multi Family Auditing

I'm curious to hear from anyone with experience in Multi Family Auditing what your thoughts on the muti-point blower door test are, and if…

Started by Thomas Price

38 May 10, 2012
Reply by Tim Marlett

The Short-Circuit Theory, Keep or Remove Those Gable Vents?

When a ridge vent is added to a house that already has gable and soffit vents, you may hear advice that goes something like this. "You must…

Started by Bud Poll

21 May 8, 2012
Reply by Bob Blanchette

Leakage to outside on ducts fully within the envelope

I am just wondering if a lot of people are feeling the way I do on the subject of testing Duct Leakage To Outside on duct systems that are…

Started by Jack Baikoff

10 May 3, 2012
Reply by tedkidd

BPI Works with RSES to Expand Accreditation Options for the HVAC Contractor

BPI now accepts the Refrigeration Service Engineers Society (RSES) certifications as prerequisite criteria for participation in our accredi…

Started by Cierra Mooney

0 May 1, 2012

Codes, codes & more codes

Come by to check out our latest newsletter featuring building code related stories.  If you're interested in receiving the newsletter on mo…

Started by Silvie Votrubova

0 Apr 30, 2012

R-19 Walls

Good afternoon, I am looking for cost effective insulating for a 1910 brick 2 story in Chicago. Demo starts today. Complete gut. 18" crawls…

Started by randy tolowski

1 Apr 30, 2012
Reply by Bud Poll

Who Knew Hot Air Could be So Controversial?

Well, after all, it is hot air, so perhaps it deserves a lot of discussion.  I really didn't expect so many people to come to the defense o…

Started by Bud Poll

2 Apr 30, 2012
Reply by Bud Poll

Hot water re-circ systems

For those of you who are conducting residential energy assessments; are you recommending "on demand"  hot water re-circ. systems?  I'm find…

Started by Eric Sperline

18 Apr 28, 2012
Reply by tedkidd

Handling An Interesting Crawl Space

I am convinced that a client of mine is the victim of a shoddy crawl space ceiling insulation job, and that he should have it done right. H…

Started by Patrick Michaelyan

16 Apr 26, 2012
Reply by Patrick Michaelyan

Building Sales with Certification: Part Two - Retrofit Installer Technician

Join Sustainable Ideas for the second in this four-part webinar series on the value that the Building Performance Institute's (BPI's) new H…

Started by Cierra Mooney

0 Apr 24, 2012

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Too many BTU's. Too much horsepower?

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Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy 21 hours ago. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas yesterday. 2 Replies

Strange IR Image

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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…"
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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.
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John Nicholas replied to Brad Cook's discussion BDT with vermiculite in hollow CMU walls?
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