Smarter Heating & Hot Water

Boiler Usage Cost Calculator

Calculate your boiler's running costs including hot water, central heating, and standing charges with UK-specific formulas.

Energy Rates

Gas Rate (£/kWh) 0.08
Electric Rate (£/kWh) 0.30

Appliance Power

Hot Water Power (kW) 36
Central Heating Power (kW) 20
HW Boiler Electrical Consumption Max (kW) 0.153
CH Boiler Electrical Consumption Max (kW) 0.100

Annual Usage Hours

Hot Water Usage (hours/year) 180
Central Heating Usage (hours/year) 1000

Standing Charges

Gas Standing Cost (£/day) 0.29
Electric Standing Cost (£/day) 0.53

Results

Hourly Costs
Hot Water £/hour £2.93
Central Heating £/hour £1.65
Annual Energy Consumption
Hot Water Gas (kWh/year) 6,480
Hot Water Electric (kWh/year) 27.54
Central Heating Gas (kWh/year) 20,000
Central Heating Electric (kWh/year) 100.00
Annual Running Costs
Hot Water £/year £526.66
Central Heating £/year £1,645.90
Combined Hot Water & CH Cost £2,172.56
Standing Charges
Gas Standing £/year £105.85
Electric Standing £/year £193.45
Total Standing Charges £299.30
Heating & Hot Water £/Year (Total) £2,471.86
Important: This calculator uses UK-specific formulas and provides estimated running costs based on your inputs. Actual costs may vary based on usage patterns, boiler efficiency, and current energy tariffs. Always consult your energy provider for precise rates.