Energy Star Windows 2020 September 4, 2019 ENERGY STAR® Windows, Doors, and Skylights Version 7.0 Specification Discussion Guide Page 7 of 16the length of time a typical homeowner stays in a home—around 10 to 13 years.8 EPA will consider these approaches when evaluating cost-effectiveness. EPA requests stakeholder feedback for the following question:5.What sources should EPA consider when evaluating what is…
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