General Forum (1,053)

Discussions Replies Latest Activity

Ecological faucets: Hot water is available as quickly as using a DHW loop, but without wasting water or energy.

I am looking for partners, supports and funding. I am also looking for reliable information regarding the energy wasted in the DHW loops. I…

Started by Claude Waudoit

0 5 hours ago

Air gap above floor insulation--how big is the impact?

I looked at a large new house today, and saw what I see in almost every house... the fiberglass batt insulation installed under the subfloo…

Started by David Meiland

3 5 hours ago
Reply by Charles Buell

When can an oversized A/C be a good thing?

I've always been a strong proponent for properly sizing A/C's together with home performance upgrades but with utility companies moving tow…

Started by David Byrnes

8 9 hours ago
Reply by David Butler

Cooling effect from solar panels

Is there any hard data out there or any personal experience about reduced cooling load as a result of solar panels installed on a south fac…

Started by Tim Kendzia

16 on Tuesday
Reply by Franco Oyuela

Learning Thermostat

Just installed my first Nest learning thermostat.  Really easy and affordable.  Check it out and let me know what you think: http://www.nes

Started by Classic Residential, Inc.

35 on Tuesday
Reply by Franco Oyuela

Surprise loads

We just finished up a two-year investigation at LBNL on the energy use of video gaming. Energy expenditures amount to about $6 billion annu…

Started by Evan Mills

4 Dec 6
Reply by Daniel Baur-McGuire

Blower door test for small apartment building

Today I received a request to test 4 units for a small apartment building.  He says the building is 32x52 which is 1560 SF.  There is 4 apa…

Started by Jerry Needham

19 Dec 6
Reply by Daniel Baur-McGuire

Cathedral ceiling with tongue and groove ceiling. Looking for solutions.

Did audit last week and homeowner is always cold in these two rooms with cathedral ceilings and large exposed beams.  Thinking of installin…

Started by Jerry Needham

4 Nov 29
Reply by Keith Tripp

Apply for BPI's Jon Siemen Memorial Scholarship

The Building Performance Institute, Inc. (BPI) is now accepting applications for the Jon Siemen Memorial Scholarship. This year, in additio…

Started by Diane Chojnowski

1 Nov 15
Reply by Diane Chojnowski

Deer Haven Tour: Architect's residence goes LEED zero energy ready with warm modernism design

Join Evan behind the scenes for a tour of his personal residence that he designed to LEED (pending Platinum) & Zero Energy Ready Standa…

Started by Brett Little

0 Nov 12

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Forum Discussions

Latest Activity

Claude Waudoit posted a discussion

Ecological faucets: Hot water is available as quickly as using a DHW loop, but without wasting water or energy.

I am looking for partners, supports and funding.I am also looking for reliable information…See More
5 hours ago
Charles Buell replied to David Meiland's discussion Air gap above floor insulation--how big is the impact?
"Exactly  David.  And then there is the fact the energy codes require the insulation be…"
5 hours ago
David Butler replied to David Meiland's discussion Air gap above floor insulation--how big is the impact?
"Adding an airspace changes the temperature gradient, as noted in Joe's doc, thus making the…"
8 hours ago
Ethan Foley replied to David Meiland's discussion Air gap above floor insulation--how big is the impact?
"You want an airspace between the subfloor and the insulation.  It keeps the floor…"
9 hours ago
David Butler replied to David Byrnes's discussion When can an oversized A/C be a good thing?
"Keep in mind that for all but the hottest hours, a tightly sized system already has excess…"
9 hours ago
Sean Wiens liked David Meiland's discussion Air gap above floor insulation--how big is the impact?
9 hours ago
Jim Gunshinan posted a blog post

Vermont is Helping its Homeowners Reduce Energy Waste and Save on Energy Bills

(This "EERE Success Story" is one of a series of posts from DOE's Energy Efficiency and Renewable…See More
10 hours ago
Corbett Lunsford's video was featured

PROOF #20: Yes, You Have To Do Everything

Home performance guru Corbett Lunsford coaches black belts in the Fall Fast Track to press on in the face of opposition, and shares the trials of persistence that have led to the making of the TV show Home Diagnosis, after years of failed attempts.
10 hours ago

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