[Greenbuilding] sub-grade heat loss was passive haus article

[John O'Brien]

Even God typos. ;)

On Thu, Aug 22, 2013 at 10:15 AM, Alan Abrams
<alan at abramsdesignbuild.com> wrote:
> "Nature and nature's laws lay hid in night;
> God said "Let Staube be" and all was light."
>
> (with apologies to Alexander Pope, regarding his epitaph of Isaac Newton)
>
> -AA
>
>
> On Thu, Aug 22, 2013 at 9:01 AM, John Straube <jfstraube at gmail.com> wrote:
>>
>> Yes, a completely reliable statement.  "Heat flows through a material at a
>> rate based only on the temperature difference and the thermal resistance of
>> the intervening layer"
>>  (unless we are talking about dynamic conditions like an above grade wall
>> or roof exposed to significant temperature changes on a hourly basis where
>> mass/heat capacity begins to have an effect, albeit usually a small one).
>>
>> On 2013-08-22, at 8:41 AM, Alan Abrams <alan at abramsdesignbuild.com> wrote:
>>
>> > so John, are you saying that when measuring heat flow from one mass to
>> > another, it does not matter what the density of the cooler mass is, and that
>> > the only thing of significance is the difference in temperature?
>> >
>> > -Grasshopper
>> >
>> >
>>
>> John Straube
>> www.JohnStraube.com
>>
>>
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>
>
>
> --
> Alan Abrams
> certified professional building designer, AIBD
> certified passive house consultant, PHIUS
> certified passive house builder, PHIUS
> Abrams Design Build LLC
> sustainable design for intentional living
> cell     202-437-8583
> alan at abramsdesignbuild.com
> www.abramsdesignbuild.com
>
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