[Greenbuilding] [BULK] Re: Window insulation

[Clarke Olsen]

    They are no doubt counting the air space between the blanket and the 
glass.
    Clarke Olsen

On Sep 27, 2007, at 8:56 AM, Lawrence Lile wrote:
> The window quilt manufacturer claims about R5.  I am skeptical that
> something so thin can achieve this, it's about an inch thick so that
> puts it up there with foams for efficiency if their claims are correct.
> I haven't seen anything to counter this claim, it would be interesting
> to measure it. I'd bet it is closer to R4. .......