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Boiler Efficiency Calculator
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Input Parameters
Unit System
Imperial (°F, BTU, ft)
SI (°C, kW, m)
Steam/Heat Output (BTU/hr)
Fuel Input (BTU/hr)
Calculate
Results
Boiler Efficiency
83
Efficiency %
20,000
Heat Loss BTU/hr
105,120
Annual Fuel Cost $
Boiler Efficiency Calculation Theory
Click to expand theory section
Calculation Steps
1
Calculate Boiler Efficiency
Formula:
η
=
Q
o
u
t
p
u
t
Q
i
n
p
u
t
×
100
\eta = \frac{Q_{output}}{Q_{input}} \times 100
η
=
Q
in
p
u
t
Q
o
u
tp
u
t
×
100
Calculation:
η
=
100000.00
120000.00
×
100
\eta = \frac{100000.00}{120000.00} \times 100
η
=
120000.00
100000.00
×
100
Result:
83.33 \text{ %}
