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Energy Efficient Retrofits

New buildings account for a relatively small percentage of the energy used in the building sector. Retrofitting existing housing and commercial/industrial facilities is an important goal in terms of energy savings. It is also a complex endeavor, with many factors to consider, from preserving historic features to controlling costs.

The following articles and reports discuss a wide variety of materials, situations and techniques that may be encountered when undertaking an energy-efficient retrofit. As well, many case studies are provided to illustrate how to do retrofits right.

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GM

Attic Air Sealing Guide and Details

By Joseph Lstiburek
Download.pdf  5.7 MB

BSI

BSI-013: Face Lift for Old Buildings

By Joseph Lstiburek
Download.pdf  645.0 KB

BSI

BSI-018: Westford House

By Joseph Lstiburek
Download.pdf  3.8 MB

BSI

BSI-035: We Need To Do It Different This Time

By Joseph Lstiburek
Download.pdf  330.1 KB

BSI

BSI-041: Rubble Foundations

By Joseph Lstiburek
Download.pdf  1.1 MB

BSI

BSI-043: Don't Be Dense—Cellulose and Dense-Pack Insulation

By Joseph Lstiburek
Download.pdf  1.1 MB

BSI

BSI-063: Over-roofing—Don't Do Stupid Things

By Joseph Lstiburek
Download.pdf  805.8 KB

BSI

BSI-079: Deep-Dish Retrofits

By Joseph Lstiburek
Download.pdf  1.1 MB

PA

Foam Shrinks, and Other Lessons

By Joseph Lstiburek
Download.pdf  1.3 MB

GM

Mass Save Deep Energy Retrofit Builder Guide

By Betsy Pettit, FAIA, Ken Neuhauser, Cathy Gates
Download.pdf  6.1 MB

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