Zip, the Zip-Code Insulation Program, Version 2. 0 : Economic Insulation Levels for New and Existing Houses by Three-Digit Zip Code; Users Guide and Reference Manual (Classic Reprint)

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Zip, the Zip-Code Insulation Program, Version 2. 0 : Economic Insulation Levels for New and Existing Houses by Three-Digit Zip Code; Users Guide and Reference Manual (Classic Reprint)