An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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.
Facilitated by Pacific Northwest National Lab (PNNL), in coordination with the six Regional Energy Efficiency Organizations (REEOs) and additional technical assistance providers, the Network will utilize regional code professionals, building science experts, and experienced trainers to customize technical assistance to states and jurisdictions.