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SONA SCM 6228

A single-box 2.06 kW casement unit with 2 green ticks and no separate outdoor half. Costs about $36 a month to run — here is how that compares with every other system its size on Singapore's NEA register.

Is the SCM 6228 expensive to run?

No, it's one of the cheaper ones its size. Of the 9 systems on Singapore's register around this size, 1 cost less to run.

Runs at

$36/month

About $435 a year

Cheapest its size

$36/month

FUJITECH TWT-K09G

Size group

1.9–2.2 kW

9 systems, all brands

Registered with the same figures as FUJITECH TWT-K09G. On paper they are the same machine.

Looking at the SCM 6228 for your home?

This is the whole appliance. The opening it sits in decides most of what can be fitted.

What to pin down before you commit

  • The opening dimensions, measured — not assumed from the old unit
  • Whether the existing bracket and surround are being reused
  • How the drainage is routed, and where the water goes
  • Removal and disposal of the unit coming out

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. Compare every registered model. More on SONA systems, or read up on Common aircon problems.

SONA SCM 6228 questions

Is the SONA SCM 6228 the right size for my room?
The NEA register lists it at 2.06 kW of cooling capacity. Match that against the room's size and heat load rather than assuming one capacity suits every room, and have the installer confirm it before the unit is chosen.
What does the 2-tick rating on the SCM 6228 mean?
The NEA energy label rates it 2 of 5 green ticks. That sits in the lower part of the scale, so higher-rated units of the same size use less energy under the label test — check the same-size comparisons on this page.
What kind of aircon is the SCM 6228?
It is a casement unit, listed at 2.06 kW on the register, a single box mounted in a wall opening rather than a split pair. The opening dimensions and drainage route decide the installation.
Is the SONA SCM 6228 still on the NEA register?
Yes. Its registration runs to 16 March 2028, more than four months after the 17 September 2026 snapshot this page is built from.
How efficient is the SCM 6228 at part load?
The register does not list a part-load COP for the SONA SCM 6228, but it records a full-load COP of 3.81. That figure only describes efficiency when the unit runs at full output.

Ready to get started?

Tell us what’s going on. Symptoms, setup, photos, anything we should know. We’ll assess and come back with the right next step.

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