Yup fully agreed; that's why when installers tell me about expensive spares for brands other than Daikin or Pana for homes; and I counter them back as to how often do home owners repair air cond which have damaged PCB board or other components which can roughly translate to almost 40% of a new air cond cost and they do agree with me. For home owners, repair cost is moot but warranty service call is the determining factor. In this case Midea and Sharp; are equally good as the other two major brands (from experience)

I calculate the ROI for my electrical equipment up to 5 years of age except for fridge; which I expect to last about 10 years or so before being need to be replaced.

Hello sifus. Im planning to get an aircond. Room is very small so a 1hp ac will be more than enuf.

My plan is to install a new ac next week. Im planning of buying an inverter daikin ac since i plan on buying a new unit, I plan to be using it as long as it lasts.

Now my question is, should i buy inverter or non inverter? Im usually working most of the time and is only home past 6 or 7pm everyday. I doubt my usage will last longer than 5 hours everyday and i dont use the aircond if the weather is not unbearably hot.

On weekends, i might be lazing off thus i will use the aircond maybe more than 8 hours while i game on my pc.

So, should i get inverter or non inverter? Will my bill be very different or just negligible?

Anyone who owns 1hp ac that uses their ac more than 8hours everyday here? How much is your electrical bill?
Lets say if i use my ac 5 hours everyday, how much will my bill be?

Assuming you use the AC 1hp for 6 hours contineous a day . Night time , temp set to 25 deg, 30 sen perKwh .

invertor AC will cost you about 1rm a day .
non invertor will cost you about 2 rm a day.

Hi sifus, i am comparing Midea and Sharp 1HP R32 inverter aircond.
Sharp: BTU=9700, power=890w, 5 stars rating
Midea: BTU=10000, power=755w, 4 stars rating

EER=BTU/power
Why Sharp has lower EER but higher stars rating?

Sharp: https://my.sharp/products/air-care/ahx9ved2?v=1149
Midea: https://www.lazada.com.my/products/midea-10...i768154307.html

This post has been edited by ken_zen: Jun 27 2020, 11:52 PM

Awesome thanks for the response! Yeah 6 hours everyday sounds a lot even for me. But 25, 26 degree is my normal desired temperature as I have low tolerance level to cold too.

Thanks for responding!

your figures seem something not right

use EER , check the AC spec for this value. the higher the more powersaving.

How is EER calculated?
The air conditioner EER is its British thermal units (BTU) rating over its wattage. For example, if a 10,000-BTU air conditioner consumes 1,200 watts, its rating is 8.3 (10,000 BTU/1,200 watts). The higher the rating is, the more efficient the air conditioning unit is. However, a higher rating is usually accompanied by a higher price.



from shopee
Power Supply (V-Hz-Ph) 220-240V~ ,50Hz, 1Ph
Cooling Capacity (Btu/h) 9500
Power Consumption (W) 880
Running Current (A) 3.8
Weighted EER (Btu/h/w) 10.45
Energy Efficiency Star Rating 3

This post has been edited by Momo33: Jun 28 2020, 12:04 AM

Sorry, i forget to put the links in my earlier post.

Sharp: https://my.sharp/products/air-care/ahx9ved2?v=1149
Midea: https://www.lazada.com.my/products/midea-10...i768154307.html

Sharp EER=9700/890=10.9 (website put 5 stars rating)
Midea EER=10000/755=13.25 (picture shows 4 stars rating)

My calculation is correct right? I am confuse why Sharp one higher stars rating.

i guess with Midea you cannot use those figures.

Midea spec only state CSPF figure
Sharp give EER figure .

Malaysia use CSPF to give the Stars .rating.

5.0 Star Rating
The star rating shall be in accordance with Tables 1
Table 1 :
The rated cooling capacity < 4.5kW
Star Rating Tested CSPF (Wh/Wh)
5 ≥5.30
4 4.60 ≤CSPF<5.30
3 3.30 ≤ CSPF<4.60
2 3.10 ≤ CSPF<3.30
1 <3.10

data from this link

http://www.mytradelink.gov.my/documents/10...r%20AirCond.pdf

just buy inverter nowadays. no need to cheap out on the initial purchase price for long term increase in the electricity bill.

i dont rely on the star rating, i think it differ from year to year (e.g 2020 4 star might be better than 5 star in 2019).....better look at the average power consumption in that star rating sticker
it is based on the 12 hours per day usage in an controlled environment

correct me if i wrong

Hi Guys,

I am planning to change my AC in my condo. Been looking around and research but in dilema choosing between Daikin/Panasonic/Mitshubishi or Mit heavy industry.

More headache even though I am looking for inverter unit, each brand had normal, deluxe or premium unit. I dunt mind pay alittle extra since its own stay and hope it lasts.

For example when I go to mitshubishi website, they had LN/GR/JP series. mind sharing your experience on this.

bro how about this two pictures below?

vs




1.0HP X-Deluxe R32 Aero Series Air Conditioner CS-XPU10WKH-1 vs 1.0HP Premium Inverter R32 Aero Series Air Conditioner CS-U10VKH -1 (CU-U10VKH-1)

Which one is better?

bottom one more efficient based on higher EER

base on CSPF 5.63 vs 5.34
I will say AC 1 more powersaving .

if base on EER than unit 2 is more powersaving .

this is due to the method of test measurement . by the way malaysia use CSPF . check the ST documents.

EER test done at 35deg C only .
hence cannot tell the effiency over all operating temp range .

CSPF value is the average over all operating temp .

google CSPF vs EER you will undertand more.

As for the AC s in question the powersaving difference is very small like 4 % .

I am still confused u mean if CSPF 5.63 - 5 stars, but if CSPF 4,63 - 4 stars??????

ceo684

This post has been edited by shebbycs: Jun 29 2020, 02:04 PM

any CSPF above 5.3 is 5 star .


from ST document

5.0 Star Rating
The star rating shall be in accordance with Tables 1
Table 1 :
The rated cooling capacity < 4.5kW
Star Rating Tested CSPF (Wh/Wh)
5 ≥5.30
4 4.60 ≤CSPF<5.30
3 3.30 ≤ CSPF<4.60
2 3.10 ≤ CSPF<3.30
1 <3.10

Just replying because momo dishing out all the good infos

As i myself have repetitively checked on AC also. Probably gona change to inverter for living room too as in the long run spend more time there. Dunno roi worth it or not as half the month im not around

get one like pana invertor if budget permits.

life of AC also depends on total usage time ...so if you not around no worries...

It really boils down to duration of usage, and the room configuration. If you turn it on for an hour or two, I don’t think it’ll make a difference, as the inverter will also run at full tilt the moment you turn it on to deliver rapid cooling.

At least in my case no point since it’s an open space to upstairs. I usually set it between 27C to 28C and supplement with my ceiling fan. Only thing is my AC is overkill, 2.5hp lol.

I don’t understand people who install underpowered air conditioner, end up can’t cool down the space, and waste electricity since you don’t feel cool.

The calculated one by developer is 18500 btu approx. So looking for 2HP also. Just not sure how calculations are viable nowadays since. The temp now and the temp 10 years back are different haha


Was leaning on budgeted midea. Because i have the plasmacluster in master. As id be more time there obviously. Just browsing through more pages whether i need inv or not for living haha. But from calculations and EER mcm not worth it. Only time would be if got gathering etc. Otherwise im pretty good with windows open wind