Working principle of backfill free electric underfloor heating module
2026-03-06
The core structure of the backfill free electric underfloor heating module is usually composed of high-density insulation layer (such as extruded polystyrene board), reflective layer (such as aluminum foil), and thermal conductive layer (such as aluminum plate), and some modules also integrate heating cables or electric heating films. Its working principle is based on the following three points:
Heat reflection and concentration: The aluminum foil reflective layer conducts heat upwards, reducing downward loss and improving thermal efficiency.
Structural partition: The insulation layer blocks heat conduction, while the air layer or foam material further reduces heat loss.
Uniform heat dissipation: The thermal conductive layer (such as aluminum plate) distributes heat evenly, avoiding local overheating or overcooling.
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