General Forum (977)

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Just how much does adding air barrier to a knee wall insulation increase it's performance?

I know we have a lot of scientifically minded people here and I bet someone has access to a reliable test data showing the answer to the qu…

Started by Jack Baikoff

29 Oct 25, 2013
Reply by Jack Baikoff

Real data on the magic of Low E coatings for cold climates?

I bet most of you are familiar with the claims of the window industry marketing a Low-E coating as a Cure-All for any house, any climate an…

Started by Jack Baikoff

2 Oct 25, 2013
Reply by Kurt Albershardt

Hot air language

One of the objectives of my many discussions on "why hot air rises" has been to change the way we describe that process.  The reason I beli…

Started by Bud Poll

14 Oct 25, 2013
Reply by Ed Minch

Implementing ASHRAE 62.2

I work with a C.A.O. here in Ohio under the W.A.P. now that D.O.E. requires implementing ASHRAE 62.2  2010 as of PY 13 and 62.2  2013 in PY…

Started by billy g pinnick jr

14 Oct 19, 2013
Reply by Thom Knoll

Range Hood Draft

Recently we purchase a combination Samsung microwave / range hood. The venting system is 4-speed using 2 backward impeller fans. I measured…

Started by Roman

22 Oct 18, 2013
Reply by Roman

BPI Announces National Rollout of Advanced HEP Certifications

BPI is proud to announce the rollout of four new Home Energy Professional certifications - the only home performance certifications that ar…

Started by Mike Kandel

0 Oct 14, 2013

Does infiltration really reduce the r-value of our insulation?

Previously posted at: http://www.energyauditortalk.org/index.php?topic=1959.msg11251#new But Sean and I couldn't come to a full agreement.…

Started by Bud Poll

14 Oct 11, 2013
Reply by Bud Poll

Unvented Roof Assembly

Hello Pros. I am seriously considering going with unvented roof assemblies for a couple of houses that may not offer viable\thorough attic…

Started by Patrick Michaelyan

5 Oct 4, 2013
Reply by Patrick Michaelyan

Does adding drill-and-fill insulation to uninsulated exterior walls without re-cladding lead to moisture issues in the wall cavities?

Are you hesitant to add insulation to exterior walls of existing homes without also adding an exterior vapor barrier?  -OR- Have you been…

Started by Chris Stratton

6 Oct 4, 2013
Reply by Jesse Erbel

Searching for suggestions

I did an energy audit on a client and I would like to get some suggestions please. This is my main "problem": 11 year-old home, about 2,00…

Started by Luis Hernandez

1 Oct 4, 2013
Reply by Ed Minch

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