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THERMAL TRANSMITTANCE

(UNI EN ISO 10077 / 1)

The thermal transmittance coefficient indicates the level of energy (warmth/refrigeration) dispersed through the surface of the window.
To determine this, the window’s specifications (thermal coefficient of double glazing, wood type, average thickness of frame/sash, inner and outer resistance) must be entered in a specific calculation program.
The coefficient is expressed in W/m²K. The resulting number is directly proportional to the heat dispersed through the window.

Doc Legno window (item 56) has Uw = 2.1 W/m²K
Doc Legno window (item 68/2) has Uw = 1.8 W/m²K
Doc Legno window (item 68/68) has Uw = 1.4 W/m²K
Doc Legno window (item 92) has Uw = 0.8 W/m²K

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