Add Yahoo as a preferred source to see more of our stories on Google. The eco button, or eco mode on your air conditioner, adjusts operation to reduce energy use. On smaller plug-in AC units, eco mode ...
Southern Living on MSN
The AC setting that could help lower your energy bill this summer—and when to use it
Programmable thermostats help you tweak the temperature in your home for maximum energy savings. You can change the ...
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