Help understanding KW rating for boilers

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  • FreeBear
    FreeBear Posts: 17,885 Forumite
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    FreeBear said:
    One of these little sensors in the hallway (got more dotted around the house), and an OpenTherm shield hooked up to Home Assistant (via an ESP32) - It does much more than just acting like a thermostat. Times and temperature are all controlled by HA, and I get to log all the data in great detail. Unless you are technically minded, probably not for you.
    A Hive or Nest thermostat would probably be cheaper, and much easier to set up.

    SHT20 SENSORE DI umidit temperatura Modbus RS485 Trasmettitore ad alta  precisione NUOVO EUR 728 - PicClick IT
    We have a Hive but it isn't open therm. If I went combi and Veissmann I was wondering if it's worth swapping to one that supports it such as Nest.
    I suspect you would be better off in the long term going for a Tado or Wiser - Hive (owned by British Gas) have history for discontinuing support for certain Hive products. Mind you, Nest (owned by Google) isn't much better... Personally. I prefer an open source solution so that I can have access to the code and make changes long after the original developers have given up on it. If you want to see what I've done with the OpenTherm interface -> https://github.com/FreeBear-nc
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