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Replace windows. Save on heating costs.

The Finstral energy savings calculator.

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.
Energy savings calculator
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
 
 
 
 
 
 
 
before 1950
(UW 5,9 W/m²K)
 
 
Your window surface area
 
 
windows
of standard size 1.23 x 1.48 m
=
 
Your heating energy
Prices according to South Tyrol Consumer Centre
 
 
 
 
 
 
 
Heating oil
 
 
Your average heating costs
 
 
/
 
Currency:
 
 
 
 
Energy savings from changing windows
 
 Modern Finstral windows with double glazing (UW 1.2 W/m²K)Modern Finstral windows with triple glazing (UW 0.82 W/m²K)
Heating cost savings per year
CO₂ emission savings per year
Modern Finstral windows with double glazing (UW 1.2 W/m²K)Modern Finstral windows with triple glazing (UW 0.82 W/m²K)
Heating cost savings per year
CO₂ emission savings per year
 
 
 
years
 
%
CO₂ emission savings after
 
 years
 
 %
CO₂ emission savings after
 
All data are approximate and subject to change.
 
 
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