Determine the heat demand based on existing radiator

Determine the heat demand based on your existing radiator. Fill in the parameters of your existing radiator that you want to change to a new one.

This calculator is for informational purposes only. Always consult a professional installer to get the exact calculation before buying the radiator.

  Calculate radiator's heat output
  • 10

    Select the top view of your radiator: Type 10
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  • 11

    Select the top view of your radiator: Type 11
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  • 20

    Select the top view of your radiator: Type 20
    type-20
  • 21

    Select the top view of your radiator: Type 21
    type-21
  • 22

    Select the top view of your radiator: Type 22
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  • 30

    Select the top view of your radiator: Type 30
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  • 33

    Select the top view of your radiator: Type 33
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  • 450 mm

  • 500 mm

  • 600 mm

  • 750 mm

  • 900 mm

  • 1000 mm

  • 1100 mm

  • 1200 mm

  • 1300 mm

  • 1400 mm

  • 1500 mm

  • 1600 mm

  • 1700 mm

  • 1800 mm

  • 1900 mm

  • 2000 mm

  • 2100 mm

  • 2200 mm

  • 2300 mm

  • 2400 mm

  • 2500 mm

  • 2600 mm

  • 2700 mm

  • 2800 mm

  • 2900 mm

  • 3000 mm

  • 300 mm

  • 400mm

  • 500 mm

  • 600 mm

  • 700 mm

  • 800 mm

  • 900 mm

Radiator's heat output
0 W
This figure is only valid for radiators, not for underfloor heating.

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