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Air conditioning - Any recommendations please??

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Old 25-06-2010, 11:52 PM   #1576
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@chun, nope, mine is abt 27m3. is it overpowered?
actually double the btu/hp of bedroom fcu is enough ler..
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Old 27-06-2010, 09:27 AM   #1577
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actually double the btu/hp of bedroom fcu is enough ler..
ok, thks for ur advice
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Old 28-06-2010, 03:34 PM   #1578
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actually double the btu/hp of bedroom fcu is enough ler..
My living room with the size of 25 sq metres using 18k btu fcu. Very cold oredi...
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Old 29-06-2010, 07:50 AM   #1579
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is this a reasonable quote?

Mitsubishi Electric
MXY-3A28VA / MSY-GE10VA x 2 / MSY-GE13VA (7,540 Btu/hr x 2 + 10,508 Btu/hr)
inverter, 4 ticks, R410A

1/2 inch armaflex from the condensing unit till the bathroom, thereafter 3/8inch insulation to the wall mounted units (coz no false ceiling in living room to conceal, so thinner insulations)

total price $2800
(inclusive of GST, installation, armaflex; not inclusive of bracket coz no need), shop has been around for years...
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Old 29-06-2010, 01:49 PM   #1580
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may i know 13mm is how many inch? 0.512 aka 1/2inch?
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Old 30-06-2010, 01:51 PM   #1581
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13mm = 1.3cm
1 inch = 2.54cm
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Old 01-07-2010, 10:22 AM   #1582
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13mm = 1.3cm
1 inch = 2.54cm
so my drainage pipe is .512 inch aka 1/2 inch
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Old 01-07-2010, 12:20 PM   #1583
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Is this true?

24degrees with middle fan speed vs 25degrees with fastest fan speed. The former consumer more electricity?
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Old 01-07-2010, 12:44 PM   #1584
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Is this true?

24degrees with middle fan speed vs 25degrees with fastest fan speed. The former consumer more electricity?
usually at night i just on 25degrees with fan speed 4 out of 5
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Old 01-07-2010, 06:39 PM   #1585
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Fan speed will not affect energy consumption. Temp setting will.
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Old 01-07-2010, 08:23 PM   #1586
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Fan speed will not affect energy consumption. Temp setting will.
Are you sure it will NOT affect? Or you mean the effect is negligible?
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Old 01-07-2010, 08:54 PM   #1587
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Are you sure it will NOT affect? Or you mean the effect is negligible?
fan speed affect is negligible la............ temp makes the most differences.........
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Old 02-07-2010, 08:25 AM   #1588
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fan speed affect is negligible la............ temp makes the most differences.........


Yea !! u are right !!
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Old 02-07-2010, 12:09 PM   #1589
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hi i got a question, i recently purchased a 4 room hdb resale and it already came with a 3 unit mitsubishi a/c system in all the bedrooms.
I was thinking of 2 options but not sure about the cost.

1) Replaced the sys 3 with a new sys 4 invertor with all bedrooms and living room airconditioned.
2) Keep the current sys 3 and change the position of the aircon units and replaced all the trunking.

The current sys 3 is only 2 years old.
Which will be the ideal choice and how much for both options roughly?
Thanks for your advice guys.
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Old 04-07-2010, 12:38 AM   #1590
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Fan motor for ur blower consume ard 0.1-0.2 amp only.
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