Energy Efficiency Calculators
This page contains a set of calculators developed by the Michigan Farm Energy Program (MFEP) that can be used to help identify energy efficiency savings.
To use a calculator, enter your values into the blue input fields labeled as "Enter a number". Then click the blue "Calculate Savings" button located below the input fields. You can also press "Enter" on your keyboard while an input cell is selected to calculate your results. Finally, you can view your results in the green results cells located below the "calculate Savings" button.
Air Circulation and Ventilation Calculator
CFM
CFM/W
CFM
CFM/W
hrs/yr
$/kWh
$
$
Higher Efficiency Fan Savings (kWh/yr):
0.00
Higher Efficiency Fan Savings ($/yr):
$0.00
Total Cost of Fans and Installation ($):
$0.00
Payback Period (yrs):
0.00
Boiler Savings Calculator
$
$
$
Total Yearly Savings ($/yr):
$0.00
Return on Investment (%):
0.00%
Payback Period (yrs):
0.00
Motor Efficiency Calculator
hp
%
hrs
$/kWh
%
%
$
$
Motor Savings ($/yr):
$0.00
Total Cost of Motor and Installation ($):
$0.00
Payback Period (yrs):
0.00
Lighting Fixtures Calculator
lm/sqft
lm
sqft
W
hrs
Lamp watts Required (W):
0.00
Number of Light Fixtures Required:
0
Annual Energy Consumption (kWh/yr):
0.00
Lighting Savings Calculator
W
%
hrs
$/kWh
$
$
Savings to Convert (kWh/yr):
0.00
Savings to Convert ($/yr):
$0.00
Total Cost of Lights, Fixtures, and Installation ($):
$0.00
Payback Period (yrs):
0.00
Tractor Fuel Use Calculator
%
mph
ft
Fuel Efficiency [Diesel] (%):
0.00%
Hours per Acre [Diesel] (hrs/ac):
0.00
Acres per Hour [Diesel] (ac/hr):
0.00
Fuel Efficiency [Gasoline] (%):
0.00%
Hours per Acre [Gasoline] (hrs/ac):
0.00
Acres per Hour [Gasoline] (ac/hr):
0.00
Tractor Heater Timers Calculator
W
hrs
$/kWh
$
Engine Block Heater Savings (kWh/yr):
0.00
Engine Block Heater Savings ($/yr):
$0.00
Payback Period (yrs):
0.00
Vacuum Pump Calculator
Vacuum Pump Capacity (CFM):
0.00
Vacuum Pump Horsepower (hp):
0.00
Vacuum Pump and VSD Calculator
hp
hrs
$/kWh
$
$
VSD on Pump Savings (kWh/yr):
0.00
VSD on Pump Savings ($/yr):
$0.00
Total Cost of VSD and Installation ($):
$0.00
Payback Period (yrs):
0.00
Milk Cooling Calculator
CWT/yr
kWh/yr
$
$
$
$
Well Water Precoolers Savings (kWh/yr):
0.00
Well Water Precoolers Savings ($/yr):
$0.00
Total Cost of Precoolers and Installation ($):
$0.00
Well Water Precoolers Payback Period (yrs):
0.00
Well Water Precoolers Plus VSD on Receiver Pump Savings (kWh/yr):
0.00
Well Water Precoolers Plus VSD on Receiver Pump Savings ($/yr):
$0.00
Total Cost of Precoolers Plus VSD on Receiver Pump and Installation ($):
$0.00
Well Water Precoolers Plus VSD on Receiver Pump Payback Period (yrs):
0.00
Simple Return on Investment Calculator
$
$
Return on investment (%)
0.00%
Annualized Return on Investment Calculator
$
$
yrs
Return on investment (%)
0.00%
Net Present Value Calculator
%
yrs
$
$
$
$
$
$
$
Net Present Value ($)
$0.00
Payback Period (yrs):
0.00