Fuel savings: 53%.
Forecast savings for 20 years with 10% annual tariff growth: 25.000 €.
Heating costs reduction: 67%.
Fuel savings: 34%
Forecast savings for 20 years with 10% annual tariff growth: 35.000 €.
Fuel savings: 55%.
Forecast savings for 20 years with 10% annual tariff growth: 49.000 €.