How to Calculate Underfloor Heating

Written by cameron easey
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Underfloor heating uses mats that provide heat that radiates through the floor. Many systems come with a timer, which is used to preheat the floor at a specific time. Typically, a heating system of this type is installed under a tile floor. This means that you will need to calculate the amount or space or area that you want to heat before installing the flooring.

Skill level:
Moderately Easy

Things you need

  • Tape measure

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  1. 1

    Decide in which room or rooms in your home you want to use underfloor heating. Two common rooms for underfloor heat are the kitchen and bathroom.

  2. 2

    Measure the dimensions of the room with a tape measure. Find the width and length and write down the measurements.

  3. 3

    Reduce the size of the room to the area which is used the most. Underfloor heating systems should cover about 65 to 80 per cent of the room.

  4. 4

    Determine where the thermostat will be located on the wall. A wall that has an unused electrical socket will provide the wiring needed for the thermostat.

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