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Baseboard BTU's

johnbn Member Posts: 1
I am remodeling my home and need to replace some horizontal baseboard with the single pipe with fins on it. I would like to know how many BTU's per foot it is so I know what size vertical radiator I will require. Thanks


  • Jean-David Beyer
    Jean-David Beyer Member Posts: 2,666
    The manufacturer will provide charts for this.

    I happen to be using Slant/Fin baseboard, and they provide this chart for the model I use.


    I assume whatever manufacturer you choose to go with will have a similar chart.
  • bob eck
    bob eck Member Posts: 930
    baseboard btu

    I thought on a heating system you were not supposed to mix copper baseboard and cast iron radiators on the same zone? am I correct guys? what happens if you do mix them?
  • CMadatMe
    CMadatMe Member Posts: 3,086

    Forget what's existing. Proper way is to do a heat loss of the room and size the board to overcome the heat loss based on the rates of output Dave provided you with the charts.
    "The bitter taste of a poor installation remains much longer than the sweet taste of the lowest price."
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