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9 ways to cool down air-conditioning costs

Maintain or replace your AC
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Maintain or replace your AC

"AC efficiency is mostly a function of the technology," Scheckel says. "Keep the filter clean to allow for good air movement and keep the unit level so the condensation drains properly."

If you replace your older room air conditioner with a newer unit, you could cut your energy costs in half, according to the Department of Energy. Look for a high-energy-efficiency ratio, or EER, or an Energy Star-qualified unit. Higher EER ratings mean a more efficient air conditioner. Energy Star refers to a system adopted by the U.S. Environmental Protection Agency and Department of Energy to identify energy-efficient products.


 

 

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