I bought this meter which I think made in china type
http://www.freemalaysiatoday.com/category/...er-to-illegals/
and connect it in such a way Main Power Source -> Air Cond ON/OFF Switch -> Meter -> Aircond
The Meter will tell you how many watts that your Aircond use per month. (Of course u need to calculate the unit watts multiply with RMx.xx/unit)
device measure aircond consumption, used by tenants
May 8 2012, 04:03 PM
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