Thermal efficiency | ENERsign | Windows & doors | Green Building Store

Information about ENERsign performance

Thermal efficiency

Certified by the German Passivhaus Institut, the unique design of ENERsign windows & doors offers some of the most advanced performance in the world. It offers among the lowest U values anywhere, with a whole window Uw value of 0.65 W/m²K and glazing Ug value of 0.53 W/m²K.

Thermal insulation

Window U value, Uw = 0.65 W/m²K
Frame U value, head/ jambs, Uf = 0.64 W/m2K
Frame U value, sill, Uf = 0.78 W/m²K
Glazing psi value Ψg 0.033 W/m²K

EN10077-2, 1230 X 1480 window

In this section

• The Queen's Award
• Certified Passive House Consultant
• AECB
• Passivhaus Trust
• Ethical Junction
• ICE

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