An intelligent combination of geometry and material enables the new heroal W 77 window system to achieve a Uf value of 0.95W/m²K (view width: 120 mm) at passive-house level, with an installation depth of just 77 mm. With this development, heroal has designed the thermally separated aluminium window in such a way that it not only meets present demands stated by the 2016 German Energy Savings Regulation (Energieeinsparverordnung, EnEV) over the long term, but also fulfils future requirements for “nearly zero-energy buildings”.
The window system heroal W 72 with its numerous variants offers the greatest possible freedom of design – from the planning phase to manufacture. In addition to supplementary elements, such as the ventilation flap heroal W 72 VF and parallel slide and tilt doors (PSK), this system also provides for perfect combinations with the door system heroal D 72. Sash profiles are available with push rod fitting grooves (SBN) and plastic fitting grooves (KBN), which makes a flexible fabrication possible. It is possible to create windows with a high proportion of glass, thanks to the small face width of just 90 mm. The standard heroal W 72 system with a face width of 120 mm achieves a low Uf value of 1.3 W/m²K, and can be further enhanced or extended. System extensions are heroal W 72 (w/o PU foam – reduction in U value through modification of the profile sealing zone and the use of alternative insulating material), heroal W 72 HI (Highly Insulated - enhancement of the U value through the use of different sealings and insulations) and heroal W 77 UD (Universal Design - French doors with a threshold height < 20 mm).
high thermal insulation with low design depth
proven performance features, combined with heroal WF and heroal WF EM fittings
