Construction systems

Ventilation systems

Façades

Windows

Doors

Drain water heat recovery

Heatpumps and combined systems

Air tightness systems

Sun protection Systems

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Attic Staircases

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Nome	Tipo	Efficiency Class	Material	`U`_W	Climate zones	Location/Avaliability	Date certified	Open type
Component Manufacturer
Passivhaus-Bodentreppe mit PH-Anschluss-System Wellhöfer Treppen GmbH & Co. KG	Attic Staircase	phA+	Timber	0,48 W/(m²K)	Freddo	Germany (DE)	Mar 2015
Feuerschutz-Passivhaus-Bodentreppe mit Anschluss-System Wellhöfer Treppen GmbH & Co. KG	Attic Staircase	phA+	Timber	0,45 W/(m²K)	Freddo	Germany (DE)	Apr 2017
LWT FAKRO Sp.z.o.o.	Attic Staircase	phA+	Timber	0,51 W/(m²K)	Freddo, temperato	Poland (PL)	Nov 2015
KLIMATEC 160 WIPPRO GmbH	Attic Staircase	phA+	Timber / Aluminium	0,34 W/(m²K)	Artico	Austria (AT)	Dec 2015
Designo Roto Frank Treppen GmbH	Attic Staircase	phA+	Timber	0,63 W/(m²K)	Freddo, temperato	Germany (DE)	Mar 2017