heroal W 77 PH
The window system with passive-house certification
With an installation depth of just 77 mm and a view width of 180mm, the heroal W 77 PH window system meets the high requirements of the Dr. Feist German Passive House Institute.
A Uf value of 0.8 W/m²K, which meets passive house requirements, is achieved with a view width of just 120 mm.