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Energy Check

Virtual energy performance certificate and online renovation

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• 1. Energy data
• Building data
• Result
• 2. Building data
• Type of house
• Outside wall
• Windows
• Upper level
• Cellar ceiling
• Ground-level floor
• Roof slant
• HVAC
• Result
• 3. Renovation
• Building shell
• HVAC
• Result
• 4. Renovation calculator

Help

To make your selection easier, we have assigned the designs to the years in which they were primarily used. The size and orientation of the windows affect the solar irradiation and so the warming effect.

Windows

Please follow the tabs. Enter the required information regarding "Type of windows", "Window surface area" and "Orientation" and then click on "Continue".

• Type of window
• Window surface area
• Orientation

until 1950

Single glazed

U-Wert: ca 4.6

until 1960

Casement window

U-Wert: ca 2.2

1960 - 1980

Composite window

U-Wert: ca 2.5

1975 - 1995

Insulated glass window with 2 panes

U-Wert: ca 2.5

1975 - 1995

Insulated glass window with 3 panes

U-Wert: ca 1.9

1995 - now

Thermal insulation window with 2 panes

U-Wert: ca 1.1

2000 - now

Thermal insulation window with 3 panes

U-Wert: ca 0.9

2003 - now

Passive house window

U-Wert: kleiner 0.8

Very small windows

Small windows

Medium-sized windows

Large windows

Very large windows

primarily north

primarily south

primarily east or west

distributed

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