Air conditioning - Any recommendations please??

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kityip

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I got a quote for ME system 3 inverter, for $3200.
But is it worth to topup $300, for the ME's extended warranty to 5 years.?
Cause the normal warranty is 5yrs compressor, 1yr other parts & labour.

Anyone bought a Starmex ME system and upgrade the warranty?
 

twosix

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My 4 aircon and compressor are more than 10 yrs old. I'm thinking of changing it but I do not want to teardown my cabinets to replace the pipes.

is it possible just to change the aircons and compressor only?
 

Joevyis^^

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My 4 aircon and compressor are more than 10 yrs old. I'm thinking of changing it but I do not want to teardown my cabinets to replace the pipes.

is it possible just to change the aircons and compressor only?

Yes, but will be a risk there. Need to ensure your piping no leakage.
 

terumo

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To derrickgoh,

Yah, ME is more value for $.

To kityip,

Ur sys 3 is all 9k btu?
 

RoystonTeo

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Would like to check with everyone here, the aircon company I am looking at is giving me as default copper pipe (gauge 23) and armaflex insulation (3/8")

Should I go all out and upgrade to copper pipe (gauge 22) and ½” thick insulation? I am thinking when replacing the aircon next time, i can reuse the pipes and insulation.

Would it affect anything if i only upgrade just 1 of them (either piping or insulation)?

I am getting Mitsubishi system 4 inverter.
 

kw07

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Warranty and Installation query

How much is installation cost for a standard system 3?

For warranty claims, do you go back to the contractor that help you to install as a package or go back to the aircon supplier?
 

Joevyis^^

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How much is installation cost for a standard system 3?

For warranty claims, do you go back to the contractor that help you to install as a package or go back to the aircon supplier?

See which faulty you claim for as workmanship warranty and AC warranty are different.
 

kityip

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Undecided which companies to choose. ;(
Recently anyone did a good aircon installation, which company you use?

In this forum, I read about Hong Tar, Gain City, Coolserve, All Best.
 

luei74

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I got the Mitsubishi Heavy Industry, exactly 5 years of usage. I never go for any services before since the last installation, as I will just DIY myself on: cleaning of the filter and the blower.

I do that in every 3-4 months but until recently noticed after the cleaning of the blower, the air blow wasn't cool enough at the night. Not sure what's the problem causing this, I would said my air-con is still functioning well w/o any leakage or break down. Any one facing the similar problem before?
 

maxicoolservices

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Hello Luei74,

Good job on doing your own upkeep.

Based on description it seems that either your unit is lacking in gas or the coils are dirty.

Is the air emitted as strong as previous when the unit was cold?
If the air is as still strong as previous, chances are your unit might be lacking in gas.

Otherwise if the strength of the air emitted is reduced, chances are the coil is dirty. For Mitsubishi Heavy Industry, the unit has a V-Coil which cannot be reached unless the unit is dismantled hence even with the regular upkeep of filter and blower, the coils will eventually get dirty and affect the cooling efficiency.

You might want have your contractor do a check on this to confirm.


Best Regards,

Jason Tham


I got the Mitsubishi Heavy Industry, exactly 5 years of usage. I never go for any services before since the last installation, as I will just DIY myself on: cleaning of the filter and the blower.

I do that in every 3-4 months but until recently noticed after the cleaning of the blower, the air blow wasn't cool enough at the night. Not sure what's the problem causing this, I would said my air-con is still functioning well w/o any leakage or break down. Any one facing the similar problem before?
 
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luei74

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My setting was at "Med" all the while and the room will be cool down within the 10 mins. Last night setting at "Auto and Hi", the air emitted still as strong as previously, only the air was not cool enough and the room was unable to cool down even after 1 hr. I will try to monitor the situation tonight. If I would like to do the checking and top up for the gas, how much will be the current market rate?

Hello Luei74,

Good job on doing your own upkeep.

Based on description it seems that either your unit is lacking in gas or the coils are dirty.

Is the air emitted as strong as previous when the unit was cold?
If the air is as still strong as previous, chances are your unit might be lacking in gas.

Otherwise if the strength of the air emitted is reduced, chances are the coil is dirty. For Mitsubishi Heavy Industry, the unit has a V-Coil which cannot be reached unless the unit is dismantled hence even with the regular upkeep of filter and blower, the coils will eventually get dirty and affect the cooling efficiency.

You might want have your contractor do a check on this to confirm.


Best Regards,

Jason Tham
 

maxicoolservices

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Hello Luei74,

Let me drop you a pm on this.

Best Regards,

Jason Tham

My setting was at "Med" all the while and the room will be cool down within the 10 mins. Last night setting at "Auto and Hi", the air emitted still as strong as previously, only the air was not cool enough and the room was unable to cool down even after 1 hr. I will try to monitor the situation tonight. If I would like to do the checking and top up for the gas, how much will be the current market rate?
 

kityip

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To kityip,

Then this price is reasonable.

Hi terumo,

Hong Tar, Gain City and All Best quoted me around this price, ranging from 3120 to 3280.

But workmanship can't decide which one to choose. Cause I first time going for multi split system.
Any recommendation ?

Armaflex class 1 and class 0, which one is better or used ?

Is it worth to upgrade to 1/2" Armaflex and G22 copper pipe @ $180 ?

Thank you.
 
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terumo

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To kityip,

Class 1 & 0, I feel that class 1 is good enough.
Upgrade of piping will depends on your pipe routing (as it, is it hidden in some warerobe or false ceiling)

Recommendations, i will PM u.
 
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