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Air Source Heat pump or mini-split efficiency

Greetings everyone!     I have a technical questions I hope I could get some feedback! I understood that air source heat pumps are very ef…

Started by Luis Hernandez

1 Apr 30
Reply by George J. Nesbitt

BPI Announces Manufacturer Product Listing Program for the Home Performance Industry

That's why BPI has launched the Manufacturer Product Listing Program for the Home Performance Industry, a system that will evaluate and lis…

Started by Mike Kandel

1 Apr 30
Reply by Glen Gallo

CAZ Depressurization: NOT a Big Deal?

http://greendreamgroup.libsyn.com/this-house-sucks-but-not-very-hard-brett-singer-scientist-shows-us-where-depressurization-testing-has-led

Started by Corbett Lunsford

19 Apr 21
Reply by Glen Gallo

Air sealing wood-burning fireplace from the crawlspace below

Hi, I'm looking for some advice on air sealing the around the mantle of a fireplace in the crawlspace. Should I just apply spray foam as ne…

Started by Blake Shurtz

1 Apr 17
Reply by David Baerg

Residential Green Valuation Tools

Residential Green Valuation Tools Appraisal Institute just announced its latest new book on valuing residential high performance properties…

Started by Sandra K. Adomatis, SRA

0 Apr 13

Insulation Blower Recommendations?

Does anyone have any recommendations for a residential insulation blower?  We currently use an InsulMaxx 5000, and we've been pretty happy,…

Started by Jim Conlon

0 Apr 10

'Shielding insulation'

Good morning all, We had a question come up on "shielding insulation." The description is as follows:  "The Universal Shielding Insulation…

Started by Rob Buchanan

3 Apr 9
Reply by Shawna Henderson

Where do you fall in the "staged" versus "gotta be all at once" discussion?

In several industry conversations over the past few months, there’s been debate about whether we should take a “staged” retrofit approach. …

Started by Mike Rogers

29 Apr 6
Reply by tedkidd

Whole house air leakage

I have reviewed, tested, studied, asked, and analyzed the many facets of whole house air leakage.  I am still somewhat unsure what constitu…

Started by Roy Sakamoto

14 Apr 1
Reply by Ed Minch

Marey Tankless Water Heaters

What do you guys think of these [URL="http://www.amazon.com/gp/product/B009EDGTXG/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957…

Started by Bob Blanchette

1 Mar 30
Reply by Bob Blanchette

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