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New BPI certifications re-visited

So what is final verdict on all this? I'm located in NY, my BA and Envelope is due this June. I need to get re-certified  and what to do w…

Started by Paul Lasicki

7 Apr 23, 2012
Reply by David Eggleton

Background checks

Would you hire someone to work in clients homes who have a criminal background? With the change in BPI criteria (no background check) This…

Started by randy tolowski

4 Apr 23, 2012
Reply by Building Performance Institute

Wooden Plugs For 2" Insulation Holes

Our operation, Rising Sun Energy Services, insulates a lot of walls using cellulose blown in through 2" holes. As simple as a tapered 2" pl…

Started by Dan Antonioli

18 Apr 20, 2012
Reply by tedkidd

Inexpensive CRM Software for Energy Auditing & Sales

I am looking for feedback on any CRM software you may be using or familiar with that offer features which can be used to capture energy aud…

Started by Jose Macho

14 Apr 20, 2012
Reply by Craig Bird

Insulating flat roof with 7" cavity with roof tear-off

Hot-dry climate. Roofer removing all sheathing. Insulating from above while cavity is open. Plan for 5.5" open cell foam to the drywall and…

Started by Craig Bird

13 Apr 19, 2012
Reply by Christopher Retzler

Honest Buildings

This seems to be a fairly new thing, a site for showcasing green building/s and projects, designated by address on the map: Honest Building…

Started by Paul Bowman

9 Apr 19, 2012
Reply by Paul Bowman

Low-Rise Multifamily Infiltration Data

A couple of weeks ago at the ACI Conference I was afforded the opportunity to present at a Building America Expert Meeting for the discussi…

Started by Chase Counts

13 Apr 19, 2012
Reply by Ryan Moore

How to help new energy pros migrate into our new career as fresh students right out of class

Hello, My name is Ronald Stevens I'm a student enrolled in the BPI program at Consumnes River College in Sacramento California. I just pass…

Started by Ronald L. Stevens

13 Apr 18, 2012
Reply by Bill Bradbury

Blower door testing on multi bi-folds

Have anyone performed a blower door test on a new home that has a multi bi-fold door installed on an exterior wall? (As in NanaWall, Lanai…

Started by Armando Cobo

14 Apr 17, 2012
Reply by Armando Cobo

Smartgrids, Smartstats, and Variable Peak Pricing

We're on a project installing "smartstats" for customers. I'd like to get some feedback to what other Building Science guys thought about t…

Started by Bob Blanchette

1 Apr 8, 2012
Reply by Tom DelConte

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Too many BTU's. Too much horsepower?

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BDT with vermiculite in hollow CMU walls?

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Strange IR Image

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Eric Kjelshus replied to Steve's discussion Too many BTU's. Too much horsepower?
"Its more about run time with high RH removing, than to large over sized AC unit, in houses.  …"
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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…"
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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.
"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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