What size underfloor heating kit do I need?

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The size of the kit required is often dictated by the amount of available floor space available.

This is often quite restricted in bathrooms and kitchens where you do not want to heat the floor beneath cupboards, appliances, shower trays, WCs and other fixed objects.  In these situations you aim to heat all areas where people may walk, which normally means 90% of the available floor area.

Otherwise, if you have average requirements, you can cover about 60-75% of your floor with the Coldbuster heating system and gain a good comfort level.  But you should consider all of the following factors to be sure:

  • the size of the room
  • how much insulation
  • insulation value of windows and frames
  • orientation in respect of the sun
  • prevailing climatic conditions
  • use of the room
  • ventilation requirements
  • the comfort level you require

The guidelines for each product are:

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TileWarm™ – High output floor heating kit to go under ceramic tiles:

2m² kit covers 1.8m² and is suitable for an overall room size of 3m². Total output 285 Watts.

3m² kit covers 2.8m² and is suitable for an overall room size of 4 – 5m². Total output 440 Watts.

4m² kit covers 3.6m² and is suitable for an overall room size of 6m². Total output 570 Watts.

5 to 6m² kit covers 4.8m² and is suitable for an overall room size of 8 to 9m². Total output 760 Watts.

6 to 7m² kit covers 5.9m² and is suitable for an overall room size of 9 to 11m². Total output 940 Watts.

8m² kit covers 7.6m² and is suitable for an overall room size of 10 to 12m². Total output 1210 Watts.

10m² kit covers 9.4m² and is suitable for an overall room size of 13 to 16m². Total output 1500 Watts.

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WoodBWarmer™ – Self regulating floor heating kit to go under engineered wood or laminate.

4m² kit covers 2.9m² and is suitable for an overall room size of 4m². Total output 300 Watts.

5m² kit covers 3.6m² and is suitable for an overall room size of 5m². Total output 400 Watts.

6m² kit covers 5.1m² and is suitable for an overall room size of 6m². Total output 550 Watts.

7m² kit covers 6.3m² and is suitable for an overall room size of 7 to 8m². Total output 700 Watts.

9m² kit covers 8.1m² and is suitable for an overall room size of 9 to 11m². Total output 900 Watts.

11m² kit covers 10.3m² and is suitable for an overall room size of 12 to 14m². Total output 1100 Watts.
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If you need further guidance estimating your heating requirements please use the contact form on this website.