This comprehensive publication provides a convenient reference for regulations in the 2021 International Energy Conservation Code® (IECC®).

The commentary series is presented in an easy-to-understand format. Every chapter begins with "General Comments" and "Purpose" sections followed by code and commentary to subsequent sections, tables and figures. This in-depth publication focuses on providing the full meaning and implications of the 2021 IECC®.

The commentaries are designed to suggest the most effective method of application, and the consequences of not adhering to the code. This is an excellent reference for code officials, engineers, architects, inspectors, plans examiners, contractors and anyone who needs a better understanding of the 2021 IECC®.