Energy Efficiency Calculators

Home Energy Suite Calculators Get quick cost estimates of your home's energy-use. See how much you can save by making a few simple changes. » Learn More

Home Energy Saver Calculator Lawrence Berkeley Lab provides a whole-house calculator. » Learn More

Appliances: Electronics From phones to DVD players to computers, see what your electronic appliances cost to operate. » Learn More

Appliances: Refrigerator Replacement Calculator How much can you save by getting rid of an old refrigerator and replacing it with an Energy Star model? » Learn More

Appliances: TVs Find out how much your TV costs to operate. » Learn More

Farms: On-Farm Energy Use Find a series of calculators to help you save energy on your farm. » Learn More

Finding Energy Savings: Energy Star Home Advisor Energy Star will provide suggestions for improving the energy efficiency of your home. » Learn More

Finding Energy Savings: Home Energy Yardstick From Energy Star: Use your utility bills to see how your home compares to others in energy use. » Learn More

Finding Energy Savings: Multiple Calculators Use these Department of Energy calculators for Buildings, Home, Vehicles and Business use. » Learn More

For Kids: Energy Saver Calculator Find out how much money your family can save by doing a few simple things around the house. » Learn More

For Kids: Kids Korner Calculator Find out how much energy appliances in your home cost to operate. » Learn More

Heating & Cooling: Air Source Heat Pump Calculator Estimated monthly savings by upgrading to an air source heat pump. » Learn More

Heating & Cooling: Western Area Power Administration Cooling Calculator Western Area Power Administration Cooling Calculator » Learn More

Heating & Cooling: Western Area Power Administration Heating Calculator Heating Calculator » Learn More

Insulation: Insulation Fact Sheet From the Department of Energy, use your Zip code and other information to determine the best insulation for your home. » Learn More

Insulation: Wall Insulation Calculator From the Oakridge Laboratory, assistance in calculating R-value for walls, around windows and doors, on a slab, etc. » Learn More

Lights: CFL calculator Find out how much money and carbon you can save over 10 years. » Learn More

Lights: Energy Star Choose a Light Guide Find the right light for your situation, both outdoors and in. » Learn More

Lights: Incandescents vs. compact fluorescent bulbs Find the payback on purchasing compact fluorescent bulbs (CFLs). » Learn More

Lights: Replacement bulb calculator See how you can use up to 66% less energy using CFLs. » Learn More

Water: Faucets and Showerheads Calculate how much your faucets and showerheads are costing you. » Learn More

Water: Water Heaters Calculate the cost of your water heater and/or the cost of a replacement unit. » Learn More

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