• With underfloor heating, no problem at all. With modern aluminium radiators you should be able to get very low too. Ancient cast iron or chappy steel radiators would admittedly require a higher temperature.

    Here are the heating curves/ COP for the unit I'm installing. (Edit as I uploaded the wrong chart)
    Also keep in mind annual average air temperature in London is 10.8°c and average temperature in January (coldest month) is 4.8°c...


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    • SmartSelect_20220313-205127_Drive.jpg
  • With underfloor heating, no problem at all. With modern aluminium radiators you should be able to get very low too

    Looking at the charts, as long as you don't need more than 7-8kw of heat, you are golden.

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