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Samsung AJ065DCJ3KF/SP

The outdoor unit of a 6.69 kW multi split system, rated 5 green ticks. Costs about $61 a month to run — here is how that compares with every other system its size on Singapore's NEA register.

Is the AJ065DCJ3KF/SP expensive to run?

Yes, it's one of the pricier ones to run at this size. Of the 33 systems on Singapore's register around this size, 27 cost less to run.

Runs at

$61/month

About $728 a year

Cheapest its size

$48/month

Fujitsu AOAH24CBTA3

Size group

6.2–7.2 kW

33 systems, all brands

That is about $13 a month more than the cheapest system its size, or roughly $1,520 over ten years — before you weigh purchase price, which often runs the other way.

Cheaper systems the same size

Closest in size first. Cheaper to run is not the same as the better buy — purchase price, indoor units, and how well it is installed all sit outside these figures.

Cheaper systems of a similar size, closest in size first
Model	Capacity	Green ticks	Runs at	You would save
Toshiba RAS-4M41U2ACVG-SG	6.64 kW	5 ticks	$54/month	$7/month
Toshiba RAS-4M41P2ACVG-SG	6.6 kW	5 ticks	$54/month	$7/month
Mitsubishi Electric MXY-3H28VG, MXY-3H28VG-SG2	6.56 kW	5 ticks	$54/month	$6/month
PRISM+ PRCZ28	6.5 kW	5 ticks	$54/month	$7/month

Model
Toshiba RAS-4M41U2ACVG-SG
Capacity
6.64 kW
Green ticks
5 ticks
Runs at
$54/month
You would save
$7/month
Model
Toshiba RAS-4M41P2ACVG-SG
Capacity
6.6 kW
Green ticks
5 ticks
Runs at
$54/month
You would save
$7/month
Model
Mitsubishi Electric MXY-3H28VG, MXY-3H28VG-SG2
Capacity
6.56 kW
Green ticks
5 ticks
Runs at
$54/month
You would save
$6/month
Model
PRISM+ PRCZ28
Capacity
6.5 kW
Green ticks
5 ticks
Runs at
$54/month
You would save
$7/month

Looking at the AJ065DCJ3KF/SP for your home?

This is the outdoor unit only, and on a multi-split it is shared across rooms. What decides the job is what goes inside them.

What to pin down before you commit

One indoor model number per room, not just a room count
The capacity of each indoor unit, and which room it serves
Whether every room can run at once at full output, or the system is sized for typical use
What happens to the existing piping and drainage, and whether it is being reused

A multi-split can be built many ways, and the register carries one figure per registration. The running cost above is for the configuration NEA tested — yours depends on how many indoor units end up on it and how hard they work.

Figures are NEA energy-label records checked 17 Sept 2026, priced at the label's 27¢/kWh assumption. Your own bill depends on how you actually use it. Look up a fault code if one is already installed. Compare every registered model, or read more on Samsung systems. Common aircon problems have their own pages.

Samsung AJ065DCJ3KF/SP questions

What size home is the AJ065DCJ3KF/SP suited to?

The NEA register lists it at 6.69 kW of cooling capacity for the configuration it tested. That output is shared across the rooms it serves, so have the installer size it against the whole layout, not one room.

What does the 5-tick rating on the AJ065DCJ3KF/SP mean?

The NEA energy label rates it 5 of 5 green ticks, in the upper band for tested efficiency. Ticks describe energy use under the label test, not cooling strength, so compare it with units of the same size.

Is the AJ065DCJ3KF/SP a single-split or multi-split system?

It is the outdoor half of a multi-split, listed at 6.69 kW on the register, able to run several indoor units. The register covers the outdoor unit, so settle the indoor model numbers and how many rooms run at once before comparing quotes.

Is the Samsung AJ065DCJ3KF/SP still on the NEA register?

Yes. Its registration runs to 12 March 2027, more than four months after the 17 September 2026 snapshot this page is built from.

How efficient is the AJ065DCJ3KF/SP at part load?

NEA records a part-load COP of 5.92 for the AJ065DCJ3KF/SP. Part-load efficiency describes how it performs when it is not running flat out, which is how it runs most of the time in a home.