Fujitsu Circular Flow Cassette 12.5 kW ceiling cassette
$3,500–$7,000
estimated installed price
Cooling
12.5 kW
3 stars
Heating
14 kW
2.5 stars
Indoor noise
60
dB(A) sound power, quieter than 80% of its size
Running cost
$956
a year, average zone, at 33c/kWh
Short answer
The Fujitsu Circular Flow Cassette 12.5 kW ceiling cassette (AOTH45KBTA/AUTH45KRTA) is a 12.5 kW reverse cycle ceiling cassette rated 3 stars for cooling and 2.5 stars for heating in the average climate zone. Installed, expect $3,500 to $7,000; the label's figures put running costs near $956 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
- Fujitsu
- Series
- Fujitsu Circular Flow Cassette
- Model numbers
- AOTH45KBTA/AUTH45KRTA, AOTH45KRTA/AUTH45KRTA
- Type
- Ceiling cassette, reverse cycle (heats and cools)
- Cooling capacity
- 12.5 kW
- Cooling power input
- 3.89 kW
- Heating capacity
- 14 kW
- Heating power input
- 3.44 kW
- Annual efficiency, cooling (AEER)
- 3.21
- Annual efficiency, heating (ACOP)
- 4.06
- Indoor sound power
- 60 dB(A)
- Outdoor sound power
- 71 dB(A)
- Refrigerant
- R32
- Power supply
- Single-phase
- Demand response capable
- Yes
- Country of manufacture
- Thailand
- Energy Rating registration
- AAC7820
- Registration valid until
- 2028-10-09
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 | 3.5 stars | 3,667 kWh 3433 cooling, 234 heating | $1,210 |
| AverageSydney, Adelaide, Perth | 3 stars | 2.5 stars | 2,898 kWh 1155 cooling, 1743 heating | $956 |
| ColdCanberra, Hobart, Melbourne | 3 stars | 2 stars | 5,769 kWh 720 cooling, 5049 heating | $1,904 |
How it compares with other 9 kW and up units
- Cooling stars (average zone): 3 against a median of 3 across 162 9 kW and up ceiling cassette units, better than 49% of them.
- Indoor sound power: 60 dB(A) against a median of 63 dB(A), quieter than 80%.
- 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.
Other sizes in the Fujitsu Circular Flow Cassette range
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
Fujitsu AOTH45KBTA/AUTH45KRTA: common questions
How much does the Fujitsu Circular Flow Cassette 12.5 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 Fujitsu Circular Flow Cassette 12.5 kW ceiling cassette cost to run?
Using the energy label's annual figures at 33c/kWh: about $1,210 a year in a hot zone, $956 in an average zone and $1,904 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.
Where is the Fujitsu AOTH45KBTA/AUTH45KRTA made?
The Energy Rating register lists the country of manufacture as Thailand.
Is the Fujitsu Circular Flow Cassette 12.5 kW ceiling cassette quiet?
Its registered indoor sound power is 60 dB(A), against a median of 63 dB(A) for 9 kW and up ceiling cassette units, so it's quieter than about 80% of them. Brochures quote a lower sound pressure figure on the lowest fan speed; the register measures every model the same way.
Sources
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