Boiler Fuel Calculator
Calculate boiler fuel consumption, estimate annual heating costs, and compare different fuel types with our comprehensive calculator. Optimize your heating system for efficiency and cost savings.
Step 1: Boiler Specifications
24 kW
85%
Standard Boiler Specifications
Average UK home requires 8-12 kW. Modern condensing boilers achieve 90-95% efficiency. Older boilers typically operate at 70-80% efficiency.
Step 2: Usage and Fuel Costs
8 hours
7 months
Fuel Cost Guidelines
Natural gas: ~7p/kWh. Electricity: ~15p/kWh. Heating oil: ~60p/litre. Propane: ~70p/litre. Actual prices vary by region, supplier, and market conditions.
Boiler Fuel Calculation Results
Summary
Cost Visualization
Fuel Comparison
Annual Fuel Cost
£842
24 kW boiler with 85% efficiency
Annual Fuel Usage
8,420 kWh
Monthly Cost
£120
Daily Cost
£2.31
Efficiency Impact
15% savings
Annual Fuel Cost Breakdown
Winter Months (Oct-Mar)
£602
Shoulder Months (Apr, Sep)
£144
Summer Months (May-Aug)
£96
Cost per Heating Hour
£0.29
Fuel Type Comparison
| Fuel Type | Cost per Unit | Annual Cost | CO2 Emissions (kg/year) |
|---|
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