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本帖最后由 咖啡小灰 于 2015-6-2 15:02 编辑
I think it is the hot water system. I had this problem before, which is when you consume some hot water during the day, the water heater kept running to warm the re-filled water. This is really electricity consuming. This is also because the metre box had no function to warm the water only on off peak time.
My solution since then is to turn off water heater in the morning and turn on at evening. The electricity bill is $400/ quarter in summer and $600 in winter for a two bedroom house |
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