Cookies
Last updated 17 June 2026
HeatPumpy uses a small number of cookies and similar local storage to run the calculator and improve the service.
Strictly necessary
These are required for the site to function and cannot be disabled, such as remembering your cookie preference.
Error monitoring
We use error monitoring to detect and fix crashes. This may set cookies to associate related error events.
Analytics
Once enabled, anonymised analytics help us understand how the calculator is used. These are optional and only set if you accept them in the cookie banner.
Managing cookies
You can change your preference at any time by clearing the heatpumpy_cookie_consent entry in your browser's local storage, or via your browser's cookie settings. See the ICO guidance on cookies for more information.