Skip to content

Resource Library

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.

Related Resources

Download this BPA resource

Consumer Guide to Solar Electricity

Adding solar to your property is a big decision. This guide will help homeowners understand the basics of renewable energy, financing options, impacts to their electric bill, and which questions to ask the experts.

Podcast icon

Indoor Environments: Does CO2 Equal IAQ with guest Andrew Persily

Indoor Environments welcomes Dr. Andrew Persily to discuss indoor air quality and its impacts on health and comfort.

Hyperlink icon to reveal a BPA Resource Video

Home Performance: Tips for HVAC Quality Control Targets and Specs for Builders and Contractors

In this video, Corbett Lundsford talks about HVAC quality control targets and testing.