[Greenbuilding] R20 window insulation?

[nick pine]

"Bob Waldrop" <bwaldrop at cox.net>

>... That's a lot of urban noise, 24/7/365.  we notice it a lot less with our thicker walls and r-20 window insulation.

What's your R20 window insulation?

>... 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?

Nick
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