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Iowa Energy Center
Energy Resource Center
Learn where your energy dollars are going.
Start saving $ here
All Around Your Home: Home Energy Saver Calculator
Lawrence Berkeley Lab provides a whole-house calculator.
Link to the whole house calculator
Appliances: Apogee Appliance Calculator
Calculate what it costs to operate appliances in every room in your home.
Link to this appliance calculator
Appliances - Various
Calculate electrical usage for various items from energyusecalculators.com.
Appliances: Refrigerator Replacement Calculator
How much can you save by getting rid of an old refrigerator and
replacing it with an Energy Star model?
Estimate your savings here
Find out how much your TV costs to operate.
Calculate TV costs
Farms: On-Farm Energy Use
Find a series of calculators to help you save energy on your farm.
Find farm calculators here
Finding Energy Savings: Energy Star Home Advisor
Energy Star will provide suggestions for improving the energy efficiency of your home.
See Energy Star suggestions
Finding Energy Savings: Home Energy Yardstick
From Energy Star: Use your utility bills to see how your home compares to others in energy use.
Click here to compare
For Kids: Kids Korner Calculator
Find out how much energy appliances in your home cost to operate.
Click here for Kids Korner Calculator
Heating and Cooling: Electric Space Heaters
Find out how much it costs to run electric space heaters.
Heating & Cooling: Heat Pump Calculator
Estimated monthly savings by upgrading to an air source heat pump.
Find savings here
Insulation: Insulation Fact Sheet
From the Department of Energy, use your Zip code and other information to determine the best insulation for your home.
Calculate insulation needs for your home
Insulation: Wall Insulation Calculator
From the Oakridge Laboratory, assistance in calculating R-value for walls, around windows and doors, on a slab, etc.
Calculate insulation R-value here
Lights: Lighting Savings Calculator
Compare annual operating costs for old incandescent, halogen incandescent, CFL and LED bulbs.
Calculate lighting costs
Vehicles: Cost Calculator
Compare the cost to operate various vehicles using your driving habits as a basis.
U.S. Department of Energy
Water: Faucets and Showerheads
Calculate how much your faucets and showerheads are costing you.
Begin calculations here
Water: Water Heaters
Calculate the operating cost of your water heater.
Go to water heater calculator
Water: Shorter Shower Calculator
Calculate how much water your household uses per shower.
Shorten showers calculator
Grundy County REC
303 N Park Ave ~ PO Box 39
Grundy Center, IA 50638
Office Hrs 8:00 AM-4:30 PM M-F
Statement of Nondiscrimination
Touchstone Energy Cooperative
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