Schlüter®-BEKOTEC-THERM calculator | Schlüter-Systems

Quick and easy heating circuit calculation


The Schlüter®-BEKOTEC-THERM heating circuit calculator allows for the quick and easy calculation of heating circuits, piping needs, and volume flow for rooms with sizes ranging from 4 to 30 square meters. It takes the specific requirements and circumstances of the various rooms into account. 

The calculated data are intended for guidance only and must be verified at your responsibility. They are not to be construed as warranties under any circumstances. Please don’t hesitate to contact the Application Technology Department of Schlüter-Systems with any further questions or for calculating larger projects. We will be pleased to assist you.

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Units 3-5 Bardon 22,
Beveridge Lane, Coalville,
Leicestershire, LE67 1TE
Phone: +44 (0) 1530 813396

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Room temperature 20 °C
Covering Covering resistance Supply/return temperature
Tile 0.00 m2k/W 35 °C / 25 °C
Parquet to 15 mm 0.10 m2k/W 45 °C / 35 °C
Carpet 0.10 m2k/W 45 °C / 35 °C
  • ∆θ 5K for room temperature 24 °C
  • Note residual heat requirements, e.g. in bathrooms, wash rooms, or conservatory
  • Pipe requirement including connector pipe to the distributor
  • Edge insulation strip ≈ room base area x 1.2