Rescheck Software Download ((better)) May 2026

If you are a builder, designer, or homeowner working on a residential project, you have likely run into the term . It is the industry standard for demonstrating that a new home or addition meets the requirements of the International Energy Conservation Code (IECC) or specific state energy codes.

ResCheck often requires an updated version of Java to run properly. If the software won't open after installation, check your Java settings.

While ResCheck-Web is convenient, the is preferred by professionals who: Work on job sites with spotty or no internet access. rescheck software download

Not all states use the same version of the IECC. If you don’t see your state, check if they have a custom "State-Specific" version of ResCheck available on the same DOE download page.

While the software works offline, you will need a connection periodically to download new code updates. Why Choose the Download Version Over the Web Version? If you are a builder, designer, or homeowner

Choose the version compatible with your operating system (Windows or macOS). Run the installer and follow the on-screen prompts. System Requirements

Before you hit the download button, you should know that there are two ways to use the software: If the software won't open after installation, check

Finding the right and knowing how to use it is essential for passing inspections and getting your building permit approved. Here is everything you need to know to get started. What is ResCheck?