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Air conditioning - Any recommendations please??

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Old 06-03-2016, 11:58 AM   #6871
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To NoRightOrWrong,

If you use a 12k btu instead of a 9k btu, i feel that it will save more energy over the long run as compressor cut off faster and once the compressor is running at low speed of cut off, the energy consumption is lowered greatly.
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Old 06-03-2016, 12:01 PM   #6872
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To shadow_allan,

Most likely your bills will decrease, hope to hear good news after 3 months.
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Old 06-03-2016, 12:59 PM   #6873
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To NoRightOrWrong,

If you use a 12k btu instead of a 9k btu, i feel that it will save more energy over the long run as compressor cut off faster and once the compressor is running at low speed of cut off, the energy consumption is lowered greatly.
Great! Thanks for the input
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Old 06-03-2016, 01:18 PM   #6874
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Hi, looking for aircon for new BTO. Usage is around 2-4hrs for 2 rooms occasionally, living room only when there's gathering.

I estimate we turn on room aircon around 5 times a month only when really warm.

Due to low usage, I don't think we need inverter. Just went to gc and I'm interested in the Daikin ones. Is it better to get sys 4 or sys 3 plus sys 1?

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Old 06-03-2016, 10:12 PM   #6875
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To caisin,

1. Can use back provided no existing leakage issues but ask them to clean the drainage pipes for you.
2. If possible, best if to replace all piping including drainage.
3. Based on your usage, 5 ticks will be better.
Big thanks for your reply
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Old 07-03-2016, 11:30 AM   #6876
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point 1: if you refer to model MXY-4A28VA is yes MAX. 30368.1BTU
point 2: i think u go for GC is safer.
point 3: no comment

Thanks for the input!
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Old 08-03-2016, 10:26 AM   #6877
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hello bros.

can advise for suitable air-conditioning method as i am looking to hack and combine my new BTO flat master bed room and bed room 2 (walk-in-wardrobe)?

gain city sales person told me to get 2 x 9000 BTU unit in each room.
And include a sliding door in between the rooms and close it when switching on the aircon (which defeats the purpose of hacking the walls).

is it possible that i get a bigger unit and still cool down the whole room?
will a bigger unit consume a lot of power to cool down a combination of 2 rooms?

Last edited by jimm99; 08-03-2016 at 10:40 AM..
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Old 08-03-2016, 02:54 PM   #6878
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Tojimm99,

A 12k btu should be sufficient, or slightly oversize it with a 18k btu fancoil.
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Old 08-03-2016, 03:35 PM   #6879
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[QUOTE=iamnagel;100108141]Hi, looking for aircon for new BTO. Usage is around 2-4hrs for 2 rooms occasionally, living room only when there's gathering.

I estimate we turn on room aircon around 5 times a month only when really warm.

Due to low usage, I don't think we need inverter. Just went to gc and I'm interested in the Daikin ones. Is it better to get sys 4 or sys 3 plus sys 1?

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Old 08-03-2016, 05:37 PM   #6880
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Tojimm99,

A 12k btu should be sufficient, or slightly oversize it with a 18k btu fancoil.
thanks bro @terumo.
but will the power consumption be significantly higher comparing to a 9k btu unit as this aircon would be switched on for ˜8 hours every night.

which would be the ideal option?:
  • option 1: sliding door between the rooms (defeats the purpose of hacking the wall). 2 units of 9k btu.
  • option 2: open concept but incurring excessive amount $ for electric. 1 unit of 12k btu.

Last edited by jimm99; 08-03-2016 at 05:50 PM..
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Old 09-03-2016, 02:13 PM   #6881
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To iamnagel,
If you are considering an non-invertor, might as well get a system 3 will do.
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Old 09-03-2016, 02:14 PM   #6882
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To jimm99,

Is your requirement for coldness very low? as in temp setting?
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Old 09-03-2016, 02:31 PM   #6883
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To jimm99,

Is your requirement for coldness very low? as in temp setting?
To terumo,

in my current room, we set the temp at ard 23C every night.
considered very cold?
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Old 09-03-2016, 04:32 PM   #6884
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To iamnagel,
If you are considering an non-invertor, might as well get a system 3 will do.
Hi Terumo,

What do you say that? I would like to have aircon in all 3 rooms plus living room.

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Old 09-03-2016, 10:48 PM   #6885
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Need help ASAP. Do I need to submit Aircon installation report to HDB within 14 days after aircon installations(http://www.hdb.gov.sg/cs/infoweb/res...allation-works) or does it apply only to certain groups of flats? I ask abt the report submission but the installer say there's no need for that. My flat is 20 yrs old and came with the 20amp power point.
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