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The REScheck and legacy COMcheck web tools may be unavailable beginning Thursday, June 13, 2024, through Monday. June 17, 2024, for scheduled maintenance. The New COMcheck-Web will still be available during this time. We apologize for any inconvenience this may cause.

Frequently Asked Questions (FAQs)

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To what code must compliance be shown?

Code adoption takes place at the state, and in some cases municipal, level. To determine the code in a particular state, visit the Status of State Energy Code Adoption page.