A quieter, much more energy-efficient refrigerator and air conditioning, and a much lower electricity bill.

一个更安静，更节能冰箱和空调，以及更低的电费。

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On a tour of the family home, Crawford-Brown takes note of low-flow showerheads and an energy-efficient refrigerator.

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Or a refrigerator maker could work with the app, and offer a 10% discount on a more energy-efficient model than the clinker the app identified.

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