## Why is STEP Warmfloor™ More Efficient?

It is scientifically proven that STEP Warmfloor™ is approximately 2.5 times more efficient than heating cables.

According to a recent study STEP Warmfloor™ was measured to be significantly more efficient than other heating systems.

Francesco Schiavone, PhD, (PhD, BEng (Mech) - University of Florence, Italy, Senior Research Associate - Royal Melbourne Institute of Technology, Australia) compared the heat transmission from STEP Warmfloor™ self-regulating heating element with electric cable systems and water tubing systems.

According to a recent study STEP Warmfloor™ was measured to be significantly more efficient than other heating systems.

Francesco Schiavone, PhD, (PhD, BEng (Mech) - University of Florence, Italy, Senior Research Associate - Royal Melbourne Institute of Technology, Australia) compared the heat transmission from STEP Warmfloor™ self-regulating heating element with electric cable systems and water tubing systems.

According to Newton's law, the rate of heat transfer to the surrounding air is proportional to the floor exposed area (A) and to the difference between the floor temperature and the air temperature. For the conservation of energy, the heat transfer for conduction equals the heat for convection, and in a simplified equation:

Where:

*k*is the thermal conductivity (constant)*R1*is thermal resistance of floor*T1*is the temperature of heating element*T2*is the temperature of floor surface*Ta*is the ambient temperature*A1*is the surface area of heating element*A2*is the surface area of heat generated from heating element

A typical total heating installation with the STEP Warmfloor™ system requires: To give the same heat output: Electric Cable system would require: 0.186 m2 / 0.0736 m2 = 2.5 times more wattage; which would be = 50 W/m2 x 2.5 = Water Tubing system would require: 0.186 m2 / 0.0893 m2 = 2.08 times more wattage; which would be = 50 W/m2 x 2.08 = |
50 W/m2 125 W/m2 104 W/m2 |

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