+ Unplug the beer fridge
That old clunker of a refrigerator in the basement could be costing the equivalent of 10 cases of Bud in wasted energy each year. A refrigerator built in 1993 gobbles twice as much energy as new models. Need more cold brew for a party? Plug in the fridge the night before.
Cost: $0 Monthly Savings: $12.50 Payback: Immediate

+ Plug the Power Drain
As much as 75 percent of electricity use by electronics occurs while the devices are off. Big-screen TVs, stereo systems and computer peripherals are some of the worst offenders. Curtail the loss with power strips that kill power when they sense inactivity.
Cost: $115 Monthly Savings: $3 Payback: 3 years

+ Give the Sump Pump a Break
A 0.5-hp sump pump can use $30 a month in electricity during wet spring months, estimates Bill McAnally, an advisor to the Iowa Energy Center and an instructor in energy-efficient building. "You're better off extending downspouts another 5 ft. into the yard to move rainwater away from the basement," he says.
Cost: $16 Monthly Savings: $6.25 Payback: 2.5 months

+ Maximize CFLs
We've all heard the advice to switch to CFLs. To get the maximum bang for your CFL buck, install the bulbs for their rated use, which will help them last longer. For example, use bulbs that are designed for down-facing, enclosed receptacles in ceiling lights. Other CFLs are rated for use in fixtures plugged into a timer. Also, for a more rapid return on investment, use CFLs in fixtures that are on for at least 3 hours a day.
Cost: $3.22 per 15-watt CFL Monthly Savings: $0.57 Payback: 6 months

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Read more: 19 Ways to Slash Your Utility Bill - Popular Mechanics
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