ALTO Cold

Info U-value calculation

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ALTO Cold

Certified since	May 2, 2023
Climate zone	Cold
Type	Connection
Sub type
Efficiency class	phB
Material	Timber / aluminium
`U`_W	0.63 W/(m²K)
Open type	Inward opening

Description

Timber Aluminium frame (Spruce/fir 0,11 W/(mK)), insulated by highly resistant PS-foam (0.043 W/(mK)). Pane thickness: 52 mm (4/20/4/20/4), rebate depth: 13 mm.

Name	Frame width	U-value	Ψ-value	Frsi-value
Flying Mullion	136 mm	0.72 W/(m²K)	0.021 W/(mK)	0.770
Bottom	125 mm	0.69 W/(m²K)	0.021 W/(mK)	0.750
Top	125 mm	0.69 W/(m²K)	0.021 W/(mK)	0.750
Lateral	125 mm	0.69 W/(m²K)	0.021 W/(mK)	0.750

Component-ID

2062wc02

Export

Certificate

Manufacturer

Address

Katlakalna street 6D
LV – 1073 Riga
Latvia

Phone

+ (371) 20237773

Email

hlstudija@hlstudija.lv

Website

http://hlstudija.lv

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) = ? €

ALTO Cold

ALTO Cold

Description

U-value calculation

Please select preferred window layout

Installation situation

U-value calculation

Cost calculation