[Greenbuilding] radiant windows

[Alan Abrams]

seems like the same argument for insulation under a radiant slab would
apply: you would be providing a source of heat adjacent to a heat sink with
an infinite capacity. But I would defer to any physicist who could explain
the mechanics better--that is, how much heat energy is radiated and
conducted back into the room, vs how much is radiated and conducted to the
exterior. I am particularly troubled by the assertions that:


   - When the temperature of the glass exceeds the inside air temp by 3-5
   dF, the windows become opaque to heat loss
   - The R-values of the windows increase and then exceed the R-value of
   the walls

On the face of it, it sounds like ArcClad has discovered a way to suspend
some important Laws.

-AA

Alan Abrams

*certified professional building designer, AIBDcertified passive house
consultant, PHIUS*
*certified passive house builder, PHIUS*
cell     202-437-8583
alan at abramsdesignbuild.com
HELICON WORKS *Achitecture and Education*
<http://www.heliconworks.com/index2.html>

On Tue, Oct 21, 2014 at 3:56 PM, Vadurro, Rob, EMNRD <
rob.vadurro at state.nm.us> wrote:

>  Anybody have any experience with electric radiant windows?:
>
> http://radiantwindowtech.blogspot.com/
>
> Sounds like an energy hog, but maybe not?
>
>
>
> Rob Vadurro, AIA
>
> Park Architect
>
> New Mexico State Parks
>
> 1220 South Saint Francis Drive
>
> Santa Fe, NM 87505
>
> 505-476-3383
>
> 505-476-3361 fax
>
>
>
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