[Greenbuilding] R20 window insulation?

[Gennaro Brooks-Church]

Do you have photos of these windows?

Gennaro Brooks-Church

Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231




On Thu, Jan 6, 2011 at 8:29 PM, Bob Waldrop <bwaldrop at cox.net> wrote:
>
> ----- Original Message ----- From: nick pine
>>
>> What's your R20 window insulation?
>
> Four pieces of 3/4 inch Rmaxx, gorilla taped together, wrapped in aluminum
> foil, and then covered (for aesthetics) in either green felt or canvas slip
> covers.  They range in size depending on the windows, and including several
> large 4 x 8 panels that we use over the windows of the sunspace at night
> during the winter and during the day in the summer.
>
>> ... we came up with the present plan (which included replacing the south
>> wall of our utility room with glass to add some
>> passive solar) and implemented it.
>
>> Have you considered turning this 24/7 heat-losing passive solar glass into
>> an air heater with little heat loss at night >and on cloudy days?
>
> I have been reading this forum for some time and your frequent contributions
> on the subject, but the math generally escapes me and it hasn't been clear
> exactly what you would advocate in this situation.  It is a space about 20'
> long, and 6' wide, with doors at either end (no east or west windows).  The
> windows are stock double paned patio doors, plus two double hung windows for
> summer ventilation.  I am always interested in anything that will help us
> stay warm in the winter for less effort.
>
> Bob Waldrop, OKC
>
>
>
> Nick
>
>
>
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