Replacing incandescent light bulbs with LEDs calculator

女人自熨出白浆频在线播放It's no joke - switching to LED light bulbs can save you some serious cash. Use this calculator to estimate the impact.

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Switch to natural gas calculator

Figure out how much you could save by converting your fuel oil or propane appliances to natural gas.

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Appliance energy calculator

女人自熨出白浆频在线播放 This  helps you estimate the annual cost to run many common household devices.

Water heater cost calculator

This detailed calculator from helps you determine the annual cost to run electric and gas water heaters.

Carbon footprint calculator

This calculator is provided by the  Want to offset your carbon footprint? Consider enrolling in Alliant Energy's renewable energy purchase program, Second Nature™.