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What is the Building Envelope Performance (BEP) value? 



Watch the video to learn how the BEP value is used to describe the overall thermal performance of a building envelope.

From Oak Ridge National Laboratory

This video explains how the overall thermal performance of the building envelope can be described using the Building Envelope Performance (BEP) value.

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RMI: Green Upgrade Calculator

Use this user-friendly calculator to assess the economic and environmental impacts of green home and transportation upgrades.

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Attic Insulation Done Wrong… and How to Do It Right! 

Watch as Larry Janesky walks viewers through the attic of a home in Connecticut that had been previously insulated by another contractor to illustrate common mistakes being perpetrated by many insulation contractors across the country.

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Principles for Conducting Remote Audits on Single and Multi Family Homes

Download the principles from BPI for remote audits on single and multifamily homes.