LG 12.3 kW ceiling cassette
$3,500–$7,000
estimated installed price
Cooling
12.3 kW
2.5 stars
Heating
13.5 kW
2 stars
Indoor noise
–
dB(A) sound power
Running cost
$1,060
a year, average zone, at 33c/kWh
Short answer
The LG 12.3 kW ceiling cassette (UU125WR3 U30/UTN125MA NA0) is a 12.3 kW reverse cycle ceiling cassette rated 2.5 stars for cooling and 2 stars for heating in the average climate zone. Installed, expect $3,500 to $7,000; the label's figures put running costs near $1,060 a year in an average-zone home.
Prices are estimates, not quotes (how we estimate them). Rebate rules checked September 2026.
Compare 3 quotes for my houseFull specifications
- Brand
- LG
- Model numbers
- UU125WR3 U30/UTN125MA NA0
- Type
- Ceiling cassette, reverse cycle (heats and cools)
- Cooling capacity
- 12.3 kW
- Cooling power input
- 3.31 kW
- Heating capacity
- 13.5 kW
- Heating power input
- 3.51 kW
- Heating output at 2°C outside
- 8.12 kW
- Annual efficiency, cooling (AEER)
- 3.66
- Annual efficiency, heating (ACOP)
- 3.79
- Indoor sound power
- –
- Outdoor sound power
- –
- Refrigerant
- R32
- Power supply
- Single-phase
- Demand response capable
- Yes
- Country of manufacture
- China, South Korea
- Energy Rating registration
- AAC8140
- Registration valid until
- 2029-03-26
Star ratings and running cost by climate
The Zoned Energy Rating Label rates each unit for three climates. Annual energy is the label's estimate for typical use in that zone; the cost applies 33c/kWh, around the 2026–27 default electricity offer. Use the running cost calculator for your own hours and tariff.
| Climate zone | Cooling stars | Heating stars | Energy a year | Cost a year |
|---|---|---|---|---|
| HotBrisbane, Darwin | 3 stars | 3 stars | 3,513 kWh 3236 cooling, 277 heating | $1,159 |
| AverageSydney, Adelaide, Perth | 2.5 stars | 2 stars | 3,212 kWh 1122 cooling, 2090 heating | $1,060 |
| ColdCanberra, Hobart, Melbourne | 3 stars | 1.5 stars | 6,529 kWh 722 cooling, 5807 heating | $2,154 |
How it compares with other 9 kW and up units
- Cooling stars (average zone): 2.5 against a median of 3 across 162 9 kW and up ceiling cassette units, better than 6% of them.
- Estimated installed price for this size: $3,500 to $7,000. Brand and install difficulty move it within that band.
See the quietest and most efficient rankings.
Alternatives at 9 kW and up from other brands
Daikin Round Flow Cassette 10 kW ceiling cassette
RZAV100F2Y1 / FCA100CVMA
4 stars cooling · 61 dB(A)
Kaden 10.5 kW ceiling cassette
KCI36 / KCI36
4 stars cooling · 65 dB(A)
Kaden 12.5 kW ceiling cassette
KDI42 / KCI42
4 stars cooling · 65 dB(A)
Daikin Round Flow Cassette with Streamer 10 kW ceiling cassette
RZAV100F2Y1 / FCTA100AVMA
4 stars cooling · – dB(A)
Panasonic NX 4-Way Cassette 10 kW ceiling cassette
U-100PZH3R8/S-1014PU3E
4 stars cooling · – dB(A)
Daikin Round Flow Cassette 12.5 kW ceiling cassette
RZAV125F2Y1 / FCA125CVMA
3.5 stars cooling · 63 dB(A)
FAQ
LG UU125WR3 U30/UTN125MA NA0: common questions
How much does the LG 12.3 kW ceiling cassette cost installed?
Typically $3,500 to $7,000 supplied and installed in 2026 for a standard job at this size. Longer pipe runs, a new circuit, a second storey or removing an old unit add to it. Get up to three local quotes for your actual install.
How much does the LG 12.3 kW ceiling cassette cost to run?
Using the energy label's annual figures at 33c/kWh: about $1,159 a year in a hot zone, $1,060 in an average zone and $2,154 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.
Where is the LG UU125WR3 U30/UTN125MA NA0 made?
The Energy Rating register lists the country of manufacture as China, South Korea.
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