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Old 12-07-2017, 12:26 PM   #9856
Senior Member
Join Date: Mar 2008
Posts: 832
I have a question, but I cant find an answer......
Hope some expert can fill in some info

If install BTO 4room with system 3. 5 ticks energy efficient.
Total cost plus installation: 3600 (aircon) + 1000 (installing, drilling) = 4600.

If buy 3 window unit aircon, will it be cheaper?
In terms of electricity.

Window Unit aircon VS central aircon (system 3)

Last edited by willdan; 12-07-2017 at 01:21 PM..
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