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Replacement windows are helping to keep older homes more energy efficient.
![Doug B](https://cdn-fastly.hometalk.com/media/profile/2021/08/22/17883_1.jpg?size=91x91)
by
Doug B
(IC: homeowner)
With low E glass and argon gas, replacement windows pay for themselves in energy savings.
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Published March 9th, 2011 12:54 PM
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3po3 on Mar 09, 2011
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Elena on Oct 08, 2015
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