Spreadsheet

Attention! This calculation is approximate and cannot be used to estimate the power of every boiler and its costs for heating.

Fuel type Price, Lt for unit of measure Heated area Height of premise Coefficient Depends on the heat loss of the building.
(Definitions of the coefficients are described above or here)

Maximum heat demand, kW Boiler capacity, kW Price ct of one kW/h Average expenses per month, Lt Heating expenses per season, Lt Needed quantity of fuel per season (unit of measure) (unit of measure)