| Re: Are replacement windows ever worth it? or What's wrong with my math? |
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Group: alt.solar.photovoltaic · Group Profile
Author: EeyoreEeyore Date: May 11, 2008 12:58
Kitep wrote:
> Window cost: $144
> Energy savings: $9.25/yr
> Payback time: 15.6 years
>
> Is this typical?
I believe it is.
The fastest payback for any energy use reduction method is insulation.
Loft/attic insulation pays back in a couple of years for example and blown in
cavity wall insulation is up there somewhere too.
Graham
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