Grundy County REC

All Around Your Home: Home Energy Calculator Get quick estimates about your home's energy use. See how much you can save money by making a few simple changes. Here is an assortment of calculators to help you. » 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: Electronics From phones to DVD players to computers, see what your electronic appliances cost to operate. » Evaluate electronics operating costs here

Appliances: GE Appliance Visualization From General Electric: A graphic representation of how much it costs to operate various appliances by the day and year and also see usage by Kilowatt hour. » Check your appliances here

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

Appliances: TVs 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 & Cooling: Cooling Calculator Cooling Calculator from Western Area Power Administration » Find cooling calculator here

Heating & Cooling: Heating Calculator Heating Calculator from Western Area Power Administration » Link to heating calculator

Heating and Cooling: Electric Space Heaters Find out how much it costs to run electric space heaters. » learn more

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: CFL calculator Find out how much money you can save over 10 years. » Estimate payback on CFLs

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

Lights: Incandescents vs. compact fluorescent bulbs Which type of lighting is least expensive over the expected lifetime? » Compare true cost of bulbs

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

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 cost of your water heater and/or the cost of a replacement unit. » Go to water heater calculator

Water: Shorter Shower Calculator Calculate how much water your household uses per shower. » Shorten showers calculator