Please choose from the options below to begin learning about the world of energy codes and everything BCAP has to offer.

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Energy Codes Universe

A look at everyone involved in the universe of energy codes.

Energy Codes 101

Everything you need to know to get started.

Why Energy Codes Matter

The many benefits of energy efficient construction.

Regional Energy Efficiency Organizations (REEOs)

Find the regional energy efficiency advocacy group associated with your state.

Commercial and Residential State Code Status

Check out which states have adopted which versions of the national model energy codes.

Building Energy Code Connection Newsletter

Catch up on previous issues in our archive and subscribe to receive bi-monthly updates on energy code activity on the national, state, and local levels.

About The Building Codes Assistance Project

An overview of what we’re working on.

Recursos en Español

Una introducción a los códigos de energía | 2009 IECC en español