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provides the best heat diffusion regardless of the type of building: ideal, stable heat (35°C incoming water), with no air movement and no wall-mountings. Low temperature under-floor heating is the most efficient heat source on today's market.
An under-floor heating system comprises several collections of PEX tubing (cross-linked polyethylene) for a water circuit or copper piping for a "refrigerant" circuit, placed on an insulator and covered with a floating concrete layer 5 to 7 cm thick.
The flooring has an important influence on the dimensions of the under-floor heating system.
For example, tiling and a heating parquet provide very good heat and cold conduction, whereas thick wood flooring (except for some exotic wood) should be avoided.
PEX tubing for under-floor heating is guaranteed 25 years if it has CSTB (Building Industry Scientific and Technical Centre) approval.
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