The article does mention https://refoss.net/ https://refoss.net/, quote: There is a crucial difference here, though: the Home-Assistant integration for Ref

The article does mention https://refoss.net/ https://refoss.net/, quote: There is a crucial difference here, though: the Home-Assistant integration for Refoss devices, which interfaces directly with the monitor and needs no cloud connectivity, is written and provided by Refoss itself. Home-Assistant compatibility is the first bullet item on the above-linked product page.