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Economizer Calculator
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Input Parameters
Unit System
Imperial (°F, BTU, ft)
SI (°C, kW, m)
Outdoor Temperature (°F)
Return Air Temperature (°F)
Airflow (CFM)
Calculate
Results
Economizer Savings
21,600
Cooling Savings BTU/hr
432
Annual Savings $
2,628
Hours Available hours
Economizer Energy Savings Calculation Theory
Click to expand theory section
Calculation Steps
1
Calculate Cooling Savings
Formula:
Q
s
a
v
i
n
g
s
=
C
F
M
×
Δ
T
×
1.08
Q_{savings} = CFM \times \Delta T \times 1.08
Q
s
a
v
in
g
s
=
CFM
×
Δ
T
×
1.08
Calculation:
Q
s
a
v
i
n
g
s
=
1000
×
20.0
×
1.08
Q_{savings} = 1000 \times 20.0 \times 1.08
Q
s
a
v
in
g
s
=
1000
×
20.0
×
1.08
Result:
21600.00
BTU/hr
21600.00 \text{ BTU/hr}
21600.00
BTU/hr
