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Nauheimer Dunkelklappe

Info U-value calculation

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Nauheimer Dunkelklappe

Certified since	10 mai 2017
Climate zone	Froid
Type	Skylight
Sub type	Roof hatch
Efficiency class	phA+
Material	GFRP
`U`_W	0,25 W/(m²K)
Open type

Description

Glassfibre reinforced plastic frame, insulated by 150 mm Polyurethanfoam (0,028 W/(mK)). Note: The thermal quality of the system depends significantly on the installation situation. Therefor, the bottom-element should be covered with insulation as good as possible.

Nom	Frame width	U-value	Frsi-value
Bottom	127 mm	0,37 W/(m²K)	0,760
Top	127 mm	0,37 W/(m²K)	0,760
Lateral	127 mm	0,37 W/(m²K)	0,760

Component-ID

1072sk02

Export

Certificat

Manufacturer

Hans Börner GmbH & Co. KG

Adresse

Rudolf -Diesel Strasse 8
64569 Nauheim
Germany

Téléphone

06152 / 9764 - 27

E-mail

info@acryl.de

Site web

http://www.acryl.de

U-value calculation

Please select preferred window layout

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Installation situation
I want to use my own installation values
Ψ_up= W/(mK) Ψ_down= W/(mK)	Ψ_left= W/(mK) Ψ_right= W/(mK)
Or select certified situation:	`U`_{W, installed} = ? W/(m² K)

U-value calculation
	`b₁`  m	`b₂`  m	`b₃`  m
`h_top`  m `h_bottom`  m				Glazing `U`_g  W/(m² K) G-value
	`U`_W = ? W/(m² K)

Cost calculation
Orientation:	Please choose orientation of the window to get the PHPP-standard values for solar radiation
Degree days: kKh/a Solar radiation: kWh/(m²a)	Reduction factor of solar yield: Shading factor:	Recommended value for reduction factor is 0.9 Shading factor should be between 0.1 and 1. For standard situations see ISO EN 13790
Energy price €/kWh	Real interest rate %	Lifetime Years
Purchase price: €
	Present value (energy) = ? € Present value (total) = ? €

Nauheimer Dunkelklappe

Nauheimer Dunkelklappe

Description

U-value calculation

Please select preferred window layout

Installation situation

U-value calculation

Cost calculation