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Air conditioning - Any recommendations please??

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Old 27-11-2014, 01:42 PM   #5011
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Hi I am installing system 3 inverter for my condo flat
Study room 3m * 4m * 3m
Living + dining room 8m * 4.5m * 3m
What are the BTU I should be looking at?
9K for study?
12K +18K for living/dining?
Thanks!
I have 2 sets brand new Daikin Inverter system 1

Brand New , package haven't been opened yet.

$ 550 for 1 set ,$1000 for both sets. with the original reciept and warranty card

Installation I have the contractor can do for you .

Pls contact me 81218862
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Old 27-11-2014, 02:24 PM   #5012
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To kennyctf,

Ur living room requires ard 12k btu. 18k will be very safe. 22k is oversized.

The energy bills is different from a 9k compared to a 12k or 18k.

Its ok to upsize 1 level up as it 9k upsize to 12k.
But not 9k to 18k, as the compressor will cut off too fast before the desired comfortable humidity level is achieved.
Thanks terumo for advice
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Old 27-11-2014, 02:25 PM   #5013
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8.5A locked already. You turned on all the bill also same, I would suggest you go with 10x2 & 13 or 22 for living only
Thanks KimSim for advice
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Old 27-11-2014, 05:02 PM   #5014
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Terumo, yes aircon contractor says he will make good if leak is due to aircon. But my concern is whether they will do a proper job and solve issue because I suspect another aircon is having same issue! So I am very worried it is a question of them doing the installation incorrectly and repeating the mistake elsewhere Really hope they fix it properly now.

Thanks again for your help.
Hi Terumo,
Would like to get your comments on whether there is any particular brand/type and thickness of insulation for the concealed air con pipe?
There was so much water when the floor in the slab when it was hacked and up to now, cannot really determine where it came from. There were two connectors (at the bend plus another one just after it to extend the pipe). Still doing tests to determine source!! Thks
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Old 27-11-2014, 06:27 PM   #5015
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To sunshineflower,

Usually i see contractors using Armaflex 1/4 thickness insulation.
This should be sufficient.
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Old 27-11-2014, 08:37 PM   #5016
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To sunshineflower,

Usually i see contractors using Armaflex 1/4 thickness insulation.
This should be sufficient.
Thanks Terumo!
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Old 28-11-2014, 11:33 AM   #5017
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My aircon have finally seen her final days. Need a new System 2. Anybody to recommend ???
I've got a quote for Mit Heavy @$2,200 for system 2 from Hong Tat Electrical Co
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Old 28-11-2014, 12:18 PM   #5018
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Just realise in Sg you guys why needed piping upgrade from G23 to G22?

These is thick enough for G23, in M'sia I am not sure what grade of the copper pipe size, just enough to install non inveter only.

See at the photo really thick on G23.


With good workmanship any grade also can be works well
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Old 28-11-2014, 04:31 PM   #5019
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Gain City

How is the service of GC?

Their price is slightly higher for StarMex Sys 3.

Worth the price?
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Old 28-11-2014, 05:19 PM   #5020
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Price on the higher side

Was quoted $3,199 for Starmex Sys 3, 2 x 9K & 1 x 18K, bracket $150 & $180 upgrade from Armaflex 3/8" to 1/2" & copper pipe from gauge 23 to gauge 22.

But is GC service worth the higher price? Just want to have a peace of mind for the next 3~5 years.

Any comment?

Thanks in advance.

Last edited by kennyctf; 28-11-2014 at 05:19 PM.. Reason: missing info
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Old 29-11-2014, 09:40 AM   #5021
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Air-conditioning for 5 rm flat - any recommendation please?

Hi Terumo guru,

I'm a newbie here and would like to seek for your opinion for the air-con installation.

I intend to install air-con for my HDB BTO 5rm flat as follow:

1) Master room x 1
2) Normal room x 2
3) Study room x 1
4) Living room x 1

My friend is suggested me to install Mitsushi Inverter System 4 for Master/Normal/Study room. As for Living room will be installed 1 single unit.
The usage in Living room is quite minimal.

In fact, i'm more prefer taking Daikin.

Please advise which brand is recommended for energy saving and suitable for flat.

Thank you.
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Old 29-11-2014, 10:22 AM   #5022
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Dear forumers,

I bought my resale flat 5 years ago and it came with a toshiba aircon which previous owner installed. And recently when I on my masterbed room aircon, it short circuited whole house circuit, but the other 2rooms aircon seems to work fine... few days back I asked a aircon guy to check on my aircon but was told that my 1 compressor that is running my masterbed rm aircon is gone case liao...

That aircon guy stepped outside to my main unit and do some things, and it stopped tripping my whole house elec circuit...

Few days later, the aircon starts tripping again... I called the guy, he told me to get a new aircon cos this compressor if repair minimum 600-800...

I need some advice from forumers here, on which brand and model to go for? I'm looking at a system 3, 1 masterbed rm, 2 common room... and advice on where to get it... I heard that gain city have some reasonable offers and their workmanship not bad...

I thank u guys in adVance. I appreciate greatly. Thanks..
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Old 29-11-2014, 03:05 PM   #5023
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Hi Terumo guru,

I'm a newbie here and would like to seek for your opinion for the air-con installation.

I intend to install air-con for my HDB BTO 5rm flat as follow:

1) Master room x 1
2) Normal room x 2
3) Study room x 1
4) Living room x 1

My friend is suggested me to install Mitsushi Inverter System 4 for Master/Normal/Study room. As for Living room will be installed 1 single unit.
The usage in Living room is quite minimal.

In fact, i'm more prefer taking Daikin.

Please advise which brand is recommended for energy saving and suitable for flat.

Thank you.
Hi,
I am no air con guru, but why not a system 3 (MBR and normal room) + a system 2 (study + living) with 12 or 18k btu for the living room unit.
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Old 29-11-2014, 04:40 PM   #5024
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Hi all,

I just got back from gain city, I think I wI'll get the Mitsubishi starmex sys3 inverter. I was quoted the followings,

$2979 for whole unit plus 5yrs basic warranty...

Add $150 bracket, $180 for upgrade of the piping and insulator... and today got offer of adding $99 for Extended 4yrs electronics warranty which was initially 1yr warranty only and normal days extension warranty cost $399...

Total is $3408

May I know if it's worth it?
Thanks alot for advices...
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Old 29-11-2014, 11:24 PM   #5025
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To kristangel,

My suggestion,
U can get a single system for ur master room.
If it is used daily.
Then the other 4 units to a system 4.
Or master room + 2 bedroom a sys 3.
Study room + living a sys 2.
As suggested by bro wacko82 too.

If living is seldom used, no point getting a single system for that alone.

Last edited by terumo; 29-11-2014 at 11:27 PM.. Reason: typo
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