David Willson's Groups (6)

  • Building Performance Institute (BPI)

    279 members Latest Activity: on Tuesday

    BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit…

  • Energy Upgrade California

    51 members Latest Activity: Jan 16

    This is a group for contractors and other pros participating in the Energy Upgrade California energy efficiency program launched 3/1/11.

  • Home Energy Pros on Twitter

    50 members Latest Activity: Apr 16

    We've created a twitter list of members of Home Energy Pros who tweet!

  • Best Practices (Residential)

    280 members Latest Activity: Aug 12

    Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of…

  • Marketing Energy Efficiency

    233 members Latest Activity: Aug 8

    Sharing ideas, tools and examples of promoting energy efficiency to consumers

  • Building Simulations

    70 members Latest Activity: Jan 28 Work collaboratively to find easier, more accurate and better ways to model, predict and verify a home's energy consumption.

Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"I found the buildingscience article interesting.  Interesting that they noted the wet bottom…"
4 hours ago
Bud Poll replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"With conduction that ends at the bottom of the joists and convection that is naturally suppressed…"
5 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Good morning Bud, Took a quick look at the site and a couple others listed on the Yahoo…"
7 hours ago
Bud Poll replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"Hi Hal, Search "Basecalc basement heat loss".  From memory Canada (nrcan) has/had a…"
8 hours ago
Michael Dunseith posted photos
20 hours ago
Hal Skinner replied to Hal Skinner's discussion How much heat energy is lost through the floor of a house?
"II just remembered seeing a report by a federal adency, many years ago, that basically said …"
yesterday
Don Fitchett commented on Tom White's video
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Alliant Energy's PowerHouse TV: Sealing Leaky Ductwork

"Very educational. thanks for sharing Tom."
yesterday
Hal Skinner posted a discussion

How much heat energy is lost through the floor of a house?

I am asking this as I do not recall anyone speaking of any study to this end.  Many comments about…See More
yesterday

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