The National Park Service – Department of Interior, provides a Technical Preservation Service.
Writers working under contract with the federal government have assembled more than 40 booklets designed to help owners and developers of historic buildings recognize and resolve common preservation and repair problems.
Preservation Brief #3 – Conserving Energy in Historic Buildings
has been UPDATED
Open and forward the information to your friends. This link and others about saving energy are listed on our Truth About Windows page.
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