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<div class="moz-cite-prefix">Hi Eli,<br>
<br>
thats of course not an off-topic question here,<br>
but maybe you find more people who knows what you're talkin about,<br>
or 'bin there done that', if you visit the next Yahoo group<br>
you may find all answers on questions about solar air heating and
more:<br>
<a class="moz-txt-link-freetext" href="http://tech.groups.yahoo.com/group/SolarHeat/">http://tech.groups.yahoo.com/group/SolarHeat/</a><br>
<br>
Grts<br>
Bruno M.<br>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<br>
Op 19/09/2013 1:05, conservation architect schreef:<br>
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<div><font face="Times New Roman" size="4">Can any on
the list recommend a through the wall power vent to
achieve active flow in air heater. If not
satisfied with the production, I will remove and
reuse the materials. I would like it to activate
when 80F is achieved that reduces the outward heat
losses of increasing to 90F before passive flaps can
work. Motorized damper for return air may also be
useful. </font></div>
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<div><font face="Times New Roman"><font
style="FONT-SIZE: 13.6pt">I am putting plastic
over the parts of the South wall that are not
windows. Because I live on a steep hill in a
wooded site, I am not sure about the reduction in
solar available. However, from my South windows,
I know that I feel that warmth. I am framing such
that if it proves affective, I can replace plastic
with permanent glass when plastic wears out. If it
proves not adequately productive, I will
dis-assemble materials to repurpose. </font></font></div>
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<div><font face="Times New Roman" size="4">Thanks Eli </font></div>
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