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Rock Wool Old Dog New Tricks?

I've been reading a lot of info from Europe on rock wool. It is claimed to be close in R-value to foam and much greener with open vapor. I…

Started by Richard Scott Mills

5 Feb 6, 2013
Reply by Jose Macho

What do dung beetles have that we don't?

I see over 14,000 news items -- including all the major media -- in the past two days. What do they have that we don't? We've all heard the…

Started by Evan Mills

3 Feb 3, 2013
Reply by Evan Mills

Would you like a lighting audit with your energy audit ?

Do energy audits that neglect doing the "subset" of a lighting audit underserve the client ?    If your auto mechanic excluded evaluations…

Started by Dennis McCarthy

8 Feb 2, 2013
Reply by Curt Kinder

BPI Certified Repairman Saves Woman's Life by Recognizing Carbon Monoxide Poisoning

BPI recognizes the heroic efforts of BPI Certified Building Analyst Carl Harvey, who saved the life of a homeowner when he detected a poten…

Started by Mike Kandel

0 Jan 31, 2013

The Energy Upgrade Project Manager as the Rater

In California the prevalent and rebate or incentive sanctioned model to perform a whole house performance upgrade usually requires places h…

Started by Bruce Helft

0 Jan 28, 2013

January's Stump the Chump

This month's head scratcher comes from Ken Tohinaka of the Vermont Energy Investment Corporation in Burlington, Vermont. Ken explains that…

Started by Mike Kandel

6 Jan 24, 2013
Reply by John Brooks

WAP Program Management/Administration

I'm in the process of performing a literature review of sorts collecting as much information about WAP program management and/or administra…

Started by Chase Counts

2 Jan 24, 2013
Reply by Fred Stratton

BPI Celebrates 20 Years of Raising the Bar!

More than 20 years ago a group of building tradesmen and weatherization program professionals had a vision for independent, third party ver…

Started by Mike Kandel

1 Jan 24, 2013
Reply by Diane Chojnowski

Check out the January issue of BPI's Performance Matters Newsletter!

In this issue: a letter from BPI CEO Larry Zarker announcing BPI's 20th anniversary; news from BPI and around the industry; Peter Troast ex…

Started by Mike Kandel

0 Jan 24, 2013

Canadian Study of Gas Fireplace Utilization

Hello All:   Here's a copy of the email I just sent to Ms. Marianne Armstrong concerning the report she and John Burrows authored…

Started by Steve Waclo

5 Jan 22, 2013
Reply by Steve Waclo

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Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Eric Kjelshus yesterday. 4 Replies

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy on Thursday. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas on Thursday. 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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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
7 hours ago
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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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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Colin de Paor is now a member of Home Energy Pros
Friday
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…"
Friday
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…"
Thursday
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…"
Thursday
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…"
Thursday

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