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Aircon to recommend ?
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jchong
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 Sep 6 2010, 07:36 PM
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QUOTE(sudosandwich @ Sep 4 2010, 05:45 PM) How do you calculate electricity bill for air cond only? I'm living in a 2 bedroom apartment, master bedroom got a/c while the other doesn't. Trying to figure out how to split the rent. Some says ac doubles the bill. Thanks in advance for your help  A typical 1.0hp air con consumes about 0.75kW of power. Which means if you use it 1 hour, it will add 0.75 units to your electricity meter reading. Assuming you're in the lowest tariff band, each unit costs 28.6 sen. This hasn't taken into account power factor. So you do the math. This post has been edited by jchong: Sep 6 2010, 07:38 PM |
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jchong
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Sep 6 2010, 07:39 PM
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QUOTE(eMKs @ Sep 6 2010, 02:58 PM) Someone had adv in various thread for his watt meter, you can find it in Bulk Orders Won't help with air cons because you can't plug in the air con into the watt meter. Works for other appliances with 3-pin plug though. |
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jchong
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Dec 27 2010, 01:18 PM
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QUOTE(Optiplex330 @ Dec 27 2010, 09:48 AM) The truth is, Invertor air condition really does save money ONLY IF you know how to use it. It must be used in a situation whereby there are lots of 'stop-start' operation. Example, a powerful-enough aircond used in the bedroom whereby there are lots of stop-start going on. A Invetor air cond's compressor NEVER actually stop when the room are cold enough nor having to restart when the room are too hot. By preventing 'stop-start' operation, it save electricity. It's the same principle as car using more petrol when there are lots of stop and start operation aka town driving and less when on highway driving. Used wrongly, it actually uses 10% more electricity and that's why you must never use it in an over-sized room. So how to use an inverter air con correctly? |
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jchong
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Dec 28 2010, 10:29 AM
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QUOTE(bigbangformula @ Dec 27 2010, 01:20 PM) Why is an Aircon thread in Home Entertainment?  Because some people who want to set up a HT room want to know what air con is nice and quiet (so it won't disturb the movie experience) |
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