Boiler Efficiency Calculator — Calculate Boiler Performance & Fuel Savings

Boiler Efficiency Calculator

Calculate your boiler’s efficiency, fuel consumption, and potential savings with our comprehensive calculator. Optimize performance based on fuel type, boiler specifications, and operating parameters.

Step 1: Boiler Specifications

10 years

Understanding Boiler Efficiency

Modern condensing boilers typically achieve 90-95% efficiency, while older non-condensing boilers may only reach 70-80%. Regular maintenance can improve efficiency by 5-10%.

Step 2: Operating Parameters

78%

About Boiler Efficiency

Boiler efficiency measures how effectively a boiler converts fuel into usable heat. Higher efficiency means lower fuel costs and reduced environmental impact. Regular maintenance can significantly improve efficiency.

Boiler Efficiency Results

Summary
Boiler Comparison
Savings Analysis

Current Boiler Efficiency

78%
Annual fuel cost: £1,404
Annual Fuel Consumption
23,400 kWh
Annual Fuel Cost
£1,404
Boiler Capacity
100 kW
Fuel Type
Natural Gas

Boiler Type Efficiency Comparison

Boiler Type Typical Efficiency Annual Fuel Cost Potential Savings

Upgrade Savings Analysis

Efficiency Formula

Boiler Efficiency = (Useful Heat Output / Fuel Energy Input) × 100%

To calculate fuel consumption: (Boiler Capacity × Operating Hours) / Efficiency. Higher efficiency means less fuel is needed to produce the same amount of heat.

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