Air conditioning - Any recommendations please?? - Part 2

GBC

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If I get mitsubishi electric, is the usual MXY3G28VA2 x 1 + MSXYFN10VE x 3 combo enough for the 3 rooms?
MXY3G28VA2 supporting 3 x MSXYFN10VE (9k BTU) will only give you 1.9 kw (6,483 BTU) per room, is this sufficient cooling power for your 3 bedrooms ? You are better off with MXY4G38VA2 with 3 x MSXYFN10VE as your rooms cooling requirement does not exceed 8K BTU each.
 
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petetherock

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You don't find this issue with fridges or even TVs... you don't get to choose a lower power supply or a cheaper condenser... giving people choice is not always the best idea.
GBC and other pros - I think you guys deserve a sticky on this ....
 
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You don't find this issue with fridges or even TVs... you don't get to choose a lower power supply or a cheaper condenser... giving people choice is not always the best idea.
GBC and other pros - I think you guys deserve a sticky on this ....
Can I request for a FAQ instead so the pros don't have to keep replying? I feel bad for them.

And another problem is, when I go to GC, the sales person recommends the standard System 4. When I ask, won't it be insufficient to cool the whole house, he replied "you won't need to on all the air con".

Isn't it weird? I want to pay more to get more system but the sales person recommend a cheaper one to us?
 

petetherock

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Can I request for a FAQ instead so the pros don't have to keep replying? I feel bad for them.

And another problem is, when I go to GC, the sales person recommends the standard System 4. When I ask, won't it be insufficient to cool the whole house, he replied "you won't need to on all the air con".

Isn't it weird? I want to pay more to get more system but the sales person recommend a cheaper one to us?
I agree, you need to talk to the mods handling this forum :)
 

Ark Law

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And another problem is, when I go to GC, the sales person recommends the standard System 4. When I ask, won't it be insufficient to cool the whole house, he replied "you won't need to on all the air con".

Isn't it weird? I want to pay more to get more system but the sales person recommend a cheaper one to us?
Aircon salespeople 80% of the time probably deal with people who know nothing, 18% who talk as if they know something but still can easily influence anyway, and maybe 2% who actually know what makes a good aircon setup & installation.

So for those 98%, convincing them that the outdoor unit can "turbo" and use max rating during cooling phase, that would be sufficient because those 98% ain't likely to want to fork out more for a 33/38VA2. Cheaper + salesman say can cope = close sale = ez commission. A tried and tested template. No need to deviate.
 
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I agree, you need to talk to the mods handling this forum :)
Wait, aren't you a moderator?

Aircon salespeople 80% of the time probably deal with people who know nothing, 18% who talk as if they know something but still can easily influence anyway, and maybe 2% who actually know what makes a good aircon setup & installation.

So for those 98%, convincing them that the outdoor unit can "turbo" and use max rating during cooling phase, that would be sufficient because those 98% ain't likely to want to fork out more for a 33/38VA2. Cheaper + salesman say can cope = close sale = ez commission. A tried and tested template. No need to deviate.
Understand. Salesperson are very pushy. Nearly followed what they recommended.
 

herzog21

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So i went window shopping for aircon and was quoted LG A4UQ28GFA0 + AMNQ09GSJC0 (9k x 3) for $3666

The specs is roughly on par with ME MXY4G38VA2 with FN10 (9k x 3) which costs $3850. Both excludes installation fees.

Do anyone have experience with LG aircons? I notice most are going for the standard ME aircons.
 

Ark Law

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Do anyone have experience with LG aircons? I notice most are going for the standard ME aircons.
- Spare parts availability & lead times
- Can take out a lot of parts during general servicing for cleaning
- Widespread manufacturer & independent support due to mass market uptake
 

yxphoon

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Sorry to jump in.
I get my aircon pipe installation today.
For the living room, they give 1way 1/2inch copper pipe, and another 1/4inch copper. For bedroom is 9.52mm pair with 1/4 inch.
Is this normal practice?
Thanks for attention.
 

GBC

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Sorry to jump in.
I get my aircon pipe installation today.
For the living room, they give 1way 1/2inch copper pipe, and another 1/4inch copper. For bedroom is 9.52mm pair with 1/4 inch.
Is this normal practice?
Thanks for attention.
Thickness of copper pipe is measured in Gauge number ie SWG 22 etc..
 

yxphoon

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Thickness of copper pipe is measured in Gauge number ie SWG 22 etc..
Thanks, for 1/2 inch and 1/4 inch have another reading 22SWG, the 9.52mm one don't have this SWG thing it mentioned thickness as 0.71mm
 

GBC

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Local standard installation is use SWG 23 (0.61mm) but most give free upgrade to SWG 22. 0.71mm thickness is SWG 22.
 

mkaung2000

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Sorry to jump in.
I get my aircon pipe installation today.
For the living room, they give 1way 1/2inch copper pipe, and another 1/4inch copper. For bedroom is 9.52mm pair with 1/4 inch.
Is this normal practice?
Thanks for attention.
Higher BTU units, ie: 18k use larger dia copper pipe.
Liquid pipe
6.35(flared)1/4
Gas pipe
9.52(flared)3/8 - 9k, 12k, 15k BTU
12.7(flared)1/2 - 18k, 24k BTU
 

koohansen

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I wonder anyone has heard of Gree Aircon.
5 ticks, 3 years warranty, R32.

Looking for a System 3, 9+9+12 for my 3 room BTO 68sqm.
 

baileysGirl

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hey gurus,

I can't seem to upload my floor plan here. My master bedroom is 3250 by 2880. Please help me calculate the BTU needed?

I asked the aircon salesperson, who only know how to say for all master bedrooms, we recommend 12000 BTU :censored:

I don't like the cold actually, I usually set my aircon at 26degrees or even 27 degrees. Thank you in advance, appreciate it!
 

GBC

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hey gurus,

I can't seem to upload my floor plan here. My master bedroom is 3250 by 2880. Please help me calculate the BTU needed?

I asked the aircon salesperson, who only know how to say for all master bedrooms, we recommend 12000 BTU :censored:

I don't like the cold actually, I usually set my aircon at 26degrees or even 27 degrees. Thank you in advance, appreciate it!
 

batniss

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hey gurus,

I can't seem to upload my floor plan here. My master bedroom is 3250 by 2880. Please help me calculate the BTU needed?

I asked the aircon salesperson, who only know how to say for all master bedrooms, we recommend 12000 BTU :censored:

I don't like the cold actually, I usually set my aircon at 26degrees or even 27 degrees. Thank you in advance, appreciate it!
I'd rather have the capacity than later hope for also don't have.

12k BTU and 9K BTU the costs are really insignificant. The main bulk of your costs are actually on the compressor.
 
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