[Greenbuilding] passive haus article

John O'Brien john at boardom.ca
Wed Aug 21 12:15:25 CDT 2013


On Wed, Aug 21, 2013 at 12:59 PM, Topher <topher at greenfret.com> wrote:
> On 8/21/2013 12:30 PM, John O'Brien wrote:
>>
>>
>> Off topic slightly John. But do you know if anyone has done any modeling
>> of the effects of running a ground tempering loop (Incoming HRV pre-temper)
>> under an insulated slab on grade. I had been thinking about that recently,
>> but wasn't sure if that would mess with the frost lines.
>
>
> Why would you want to put frigid temperatures under your nice "massive,
> moderately conductive, and connected to a stable deep earth temperature,"
> slab?
>
>

Saves having to dig up any other areas and assuming it doesn't
introduce frost under the slab, then no harm no foul right. Nothing
another 8" of foam wouldn't fix right.  <cough>

J




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