This is a crawler that reads the calculated JAZ for different heat pumps based on flow and return temperatures from https://www.waermepumpe.de/jazrechner/. The aggregated data is formatted, sorted by combined efficiency, and written to a local data.json file.
Install dependencies with yarn install.
Run npx playwrite webkit to download a headless webkit for crawling.
Change parameters in jaz.ts to match you desired temperatures and run with
yarn start