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The Finstral energy savings calculator.

Replace windows. Save on heating costs.

Thermal insulation is an important parameter, especially for buildings that are more than 15 years old. Specific measures, such as investing in new insulating windows, quickly pay for themselves.

Modern windows are energy savers.

New windows reduce your energy consumption, which in turn saves on costs and protects the environment. Calculate here the approximate annual heating cost savings after replacing your old windows.

Insulation value of your windows according to year of manufacture

Your window surface area

Number of windows

1.82 of standard size 1.23 x 1.48 m

Total area in m²

Your average heating costs

Average price per Liter

Currency

Energy savings from window replacement

Annual savings

Modern Finstral windows with triple glazing

(UW 0.82 W/m²K)

Heating costs per year: –
CO₂ emissions per year: –

Modern Finstral windows with double glazing

(UW 1.2 W/m²K)

Heating costs per year: –
CO₂ emissions per year: –

Long-term benefit

Heating cost savings after Observation period in years years and a yearly price increase of Price increase per year in percent%

Modern Finstral windows with triple glazing

Heating costs: –
CO₂ emissions: –

Modern Finstral windows with double glazing

Heating costs: –
CO₂ emissions: –

All data are approximate and subject to change.

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