Boiler Fuel Calculator — Estimate Your Fuel Consumption and Costs

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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