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Old 18-08-2011, 09:36 PM   #2369
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Join Date: Mar 2003
Posts: 19,053
try 6~8 mths and see how the condition.

you used 2-days and able to tell your power usage is 50% less ?
Just read the meter, every 8 hrs use abt 7-8 kwh for this new aircon. For old one it uses abt 16-18 kwh for every 8 hrs
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