Construction systems

Ventilation systems

Façades

Windows

Doors

Drain water heat recovery

Heatpumps and combined systems

Air tightness systems

Sun protection Systems

Other

Window frames

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Name	Type	Efficiency Class	Material	`U`_W	Climate zones	Location/Avaliability	Date certified	Open type
Component Manufacturer
AWS 90.SI+ SCHÜCO International KG	Operable	In Progress	Aluminium	0.79 W/(m²K)	Cool, temperate	Germany (DE)	Dec 2014
PVC Piva Serie MD R Piva Group S.p.A.	Operable	In Progress	PVC	0.98 W/(m²K)	Warm, temperate	Italy (IT)	Nov 2019
Zero \| 90 (fixed) Liniar Ltd.	Fixed	phA+	PVC	0.75 W/(m²K)	Cool, temperate	United Kingdom (GB)	Dec 2016
HeaCO Wood F Krone Vinduer A/S	Fixed	phA+	Timber / Aluminium	0.76 W/(m²K)	Cool, temperate	Denmark (DK)	Jul 2014
LiteZone® L0679 PH Frameless LiteZone Glass Inc.	Fixed	phA+	GFRP	0.60 W/(m²K)	Cold	Canada (CA)	Apr 2023
Alphawin OPTIWIN GmbH	Operable	phA	Timber / Aluminium	0.78 W/(m²K)	Cool, temperate	Austria (AT)	May 2011
DW-plus integral FI WIEGAND Fensterbau	Operable	phA	Timber / Aluminium	0.78 W/(m²K)	Cool, temperate	Germany (DE)	Mar 2012
FUTURA OPTIWIN GmbH	Operable	phA	Timber / Aluminium	0.79 W/(m²K)	Cool, temperate	Austria (AT)	Nov 2013