Wm²K - Watt per square meter Kelvin

Quality from an insulation. Small values are better.

There is one square meter from the insulation.
The temperature difference is one degree Kelvin.
The value is the thermic energy passing through in Watt.

Here some typical values:

5.0 single glass like in cars
2.5 double glass for houses
1.3 special coated double glass for houses
0.5 minimal wall insulation for new houses in Germany and Austria
0.2 low energy houses and most surface from Nomad Magic motorhome
0.1 planed for GEMINI inhabited solar power plant

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W / (m . K)

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