Boiler Efficiency Calculator
Boiler Efficiency
Calculate boiler operating efficiency by comparing fuel input energy to useful heat output, accounting for stack losses, radiation losses, and combustion efficiency.
Formula
Gross Efficiency = (Heat Output / Fuel Input) x 100; Net Efficiency = Gross Efficiency x 0.98 (radiation loss); Combustion Efficiency = 100 - (Stack Temp - 300) x 0.05; Annual Cost = (Input / 1M BTU) x Fuel Cost x Operating Hours
Frequently Asked Questions
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