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How does one tell if the gasses have leaked out?
I had double pane krypton filled windows installed two years ago and a cost of $16K. Four double [s]paned[/s] hung windows, one triple [s]pane[/s] hung, three bathroom size, and 2 regular size windows. This included removal of old aluminum windows and re-installation of the new windows. I did not opt to have the new doors I had installed replaced, but if I had, there was a guarantee of at least a 40% reduction in electric/heating bill, in writing.
What I have experienced is a much quieter environment inside the house. The outside noises are minimal. The air conditioner does not run as much as it used to, and the heat in the winter time is contained more inside so the furnace does not run as much. Yes, there has been a reduction in our electric/heating bill. I do not know how much, but it is less.
I'd do it all over again should I need to.
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