A free, browser-based tool for analyzing EnergyPlus Weather (EPW) files. Everything runs client-side. Files are parsed and analyzed locally in your browser, nothing is uploaded to a server.
Live app: epwinsights.github.io
- Psychrometric charts with bioclimatic design strategy overlays
- Outdoor thermal comfort analysis (UTCI, SET, MRT)
- Solar radiation, daylight, wind, and material/thermal mass analysis
- Future climate projections to 2030 / 2050 / 2080 under all four SSP scenarios, using the CMIP6/IPCC AR6 morphing method
- Side-by-side comparison of two climate files or scenarios
npm install
npm run dev # start local dev server
npm run build # production build
npx vitest run # run unit testsIf you use EPW Insights in academic work, please cite it using the metadata in CITATION.cff, or the DOI above once assigned.
Released under the GNU AGPL-3.0 license. See LICENSE for details.
