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Ekotrope CODE - Free Access
Resources
Getting started with Ekotrope CODE
A complete walkthrough of Ekotrope CODE, our Total UA calculator for the IECC compliance path. Covers how to open the tool, enter project information and envelope components, read your results, explore tradeoffs, and download a PDF report.
Understanding UA compliance
Explains the building science behind the Total UA compliance path. Covers how UA is calculated, what the proposed vs. budget comparison means, and when to use this path vs. other IECC options. Read this when you want to understand the why behind the numbers.
Trade-off explorer
A grid at the bottom of every project showing alternative values for each component type — walls, glazing, roofs, slabs, and more. Select any combination to instantly see how swapping one component affects your overall UA and whether the home still passes.
More resources
Project information Building envelope componentsFrequently Asked Questions
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Yes. Ekotrope CODE calculates the same Total UA / Total TC pathway that REScheck calculates.
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IECC 2006 through 2024, plus state-specific amendments. Find the full list here (https://www.ekotrope.com/code-official-resources)
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Yes. Ekotrope permit reports are accepted by jurisdictions across the country. Ekotrope reports are used on >400,000 homes annually.
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REScheck supports a limited set of energy codes. Ekotrope CODE supports many more and adds new codes quickly. Ekotrope Code supports innovative tools like the Tradeoff Explorer.