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Old 13-08-2010, 08:23 AM   #1700
sentosaubin
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Join Date: Dec 2009
Posts: 182
http://www.coolserve.com/hdb.htm
mine is Mitsubushi Electric MSX-12NV
dude/sis... I think your aircon is quite an old model... is either never service the air con or it is simply too old?

I suggest you upgrade it to inverter and your electric bill should be less than 200 for 8-9 hr usage every day. (saving 100 every montH)
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