Use of this site
Access to stoneandwindow.org is provided for informational purposes. The content on this site is intended to assist readers in understanding residential window selection, thermal ratings, and installation standards applicable to Canadian properties. It is not a substitute for professional advice from a licensed contractor, engineer, or energy auditor.
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Content accuracy
This site makes reasonable efforts to present accurate information drawn from publicly available standards and government publications. Building codes, ENERGY STAR program criteria, and rebate programs change over time. Readers are responsible for verifying current requirements with the appropriate authority before making purchasing or construction decisions.
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Changes to these terms
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Contact
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