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Panasonic CU-2XU20YBZ

The outdoor unit of a 4.47 kW multi split system, rated 5 green ticks. Costs about $38 a month to run — here is how that compares with every other system its size on Singapore's NEA register. Also registered as CU-2XU20YBZ-H.

Is the CU-2XU20YBZ expensive to run?

Not really — it's on the better side of average. Of the 15 systems on Singapore's register around this size, 5 cost less to run.

Runs at

$38/month

About $454 a year

Cheapest its size

$33/month

Daikin MKM50ZVMG

Size group

4.1–4.8 kW

15 systems, all brands

That is about $4 a month more than the cheapest system its size, or roughly $530 over ten years — before you weigh purchase price, which often runs the other way.

Looking at the CU-2XU20YBZ 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 Panasonic systems. Common aircon problems have their own pages.

Panasonic CU-2XU20YBZ questions

What size home is the CU-2XU20YBZ suited to?
The NEA register lists it at 4.47 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 CU-2XU20YBZ 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 CU-2XU20YBZ a single-split or multi-split system?
It is the outdoor half of a multi-split, listed at 4.47 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 Panasonic CU-2XU20YBZ still on the NEA register?
Yes. Its registration runs to 8 May 2028, more than four months after the 17 September 2026 snapshot this page is built from. It is also listed as CU-2XU20YBZ-H on the same registration.
How efficient is the CU-2XU20YBZ at part load?
NEA records a part-load COP of 6.69 for the CU-2XU20YBZ. 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.