looking for air conditioner for my new house, at least 6 aircon but something caught my eyes

http://www.hslg.com.my/products/index.php/...utdoor-1x4.html
it cost only $5k for 4 aircon..

multi-split system... not sure how it works but from the picture itself, we only need 1 outdoor motor instead 4 outdoor motor. it don't look messy. i seen b4 a house got 10 air con...it looks so messy..


anyone know how it works?


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not sure how it works, but it works lol

but on the down side, imagine the compressor faulty...all FOUR air conds cannot use >_<

Hahhahaha agree..... Whole family feel hot !

I wonder what's the power consumption like?

it is only a system that ustilise bigger compressor,fan&fin to replace individual 4 sets

which mean 4 indoor unit are sharing a same compressor, and also mean the conpressor are using bigger HP to supply 4 unit of aircond. But the question is, will the power consum when u on 1 aircond and 4 aircond are the same or not? this 1 i not sure. but i am very sure is, once your compressor is down, then the whole 4 unit air cond are not able to use at the same time.

say.. 1HP compressor consume 800W of power.. so 4Nox 1HP=3200W

and a bigger compressor say 2500W cools 4 indoor or with one bigger fin & fan

So, its 700W saved.. again.... the downside is as you mentioned.. breakdown....

It's only useful for Singapore where there is a limitation on how many compressor you can put outside the hdb flat.

For Malaysia, it's MORE expensive to use this multisplit aircond than traditional separate unit. I've looked into this option before and my calculation shows that it's more expensive than separate units. Not to mention the extra cost for aircond piping complexity as the compressor is now only at one location. And if the compressor spoils all air-cond cannot be used.

As for power since it's an inverter, they are able to vary the power exactly to the cooling requirements. It's not really a problem here, the problem is the cost and piping complexity.

a M&E consultantcy firm's director once advise me on this.
he himself says it's better to have multiple units rather than multi-split.
energy wise, he says more or less the same.
but performance and cost, multiple units better.
he even tell me to go for 2 units of 1HP rather than 1 unit of 2HP next time.
i was like @#!#!!!???

i think ur boss means he want to distribute all the cool air evenly in the big area...
imagine 2HP at one side only, definitely difficult to cool down evenly...
otherwise install cassette type air con right middle of your area with 2HP...

anyway, i think multi split only benefit to the users tended to switch on 24hours for whole house cooling... perhaps the compressor just around 3HP compressor serving 4 air con concurrently... same concept like big building with a huge water cooling tower on the roof top... if standalone air con, 4 unit with 1HP may cost more...

Multisplit system is commonly use in country like Singapore & Hongkong due to limited space for the outdoor condensing unit (Compresor housing). In multisplit system, it depend on the HP, some come with 2 or 3 compressors. Anyhow, that's only 1 variable compressor (speeding vary) the rest are constant speed. Usually it will on the variable compressor first, when it load up to max, and it still cant meet the room temp, it will call the 2nd and 3rd comp. During shut down, it will off the last comp that called in, variable comp will be the last to off.

For residential use, I would recommend if they are concern about energy saving adn better facade look (less no of cond unit). But initial cost is much higher as to upgrade the piping size, longer pipe and higher installation cost.

How it save energy?
1.Let's say your house having 5x1hp unit of airconds, using one compressor system, the outdoor comp will not be 5hp but 4hp. This is bcos after applying diversity factor or considering of not all aircon to be on at the same time.
2.If you have 5 split, everytime when your comp on, it will run at starting amp which is at leat 5x norminal run amp. Imagine, in one night, how many time your comp on/off as to maintain your room temp.

my air-con friend told me that in the long run, inverter unit save electricity thus translated into lower consumption cost.