Hitachi 2.5 kW ceiling cassette
$3,500–$7,000
estimated installed price
Cooling
2.5 kW
1 stars
Heating
3.5 kW
3 stars
Indoor noise
–
dB(A) sound power
Running cost
$148
a year, average zone, at 33c/kWh
Short answer
The Hitachi 2.5 kW ceiling cassette (RAC-VJ25NHAE/RAI-VJ25RHAE) is a 2.5 kW reverse cycle ceiling cassette rated 1 stars for cooling and 3 stars for heating in the average climate zone. Installed, expect $3,500 to $7,000; the label's figures put running costs near $148 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
- Hitachi
- Model numbers
- RAC-VJ25NHAE/RAI-VJ25RHAE
- Type
- Ceiling cassette, reverse cycle (heats and cools)
- Cooling capacity
- 2.5 kW
- Cooling power input
- 0.595 kW
- Heating capacity
- 3.5 kW
- Heating power input
- 0.875 kW
- Heating output at 2°C outside
- 5.4 kW
- Annual efficiency, cooling (AEER)
- 4.15
- Annual efficiency, heating (ACOP)
- 3.97
- Indoor sound power
- –
- Outdoor sound power
- –
- Refrigerant
- R32
- Power supply
- Single-phase
- Demand response capable
- Yes
- Country of manufacture
- China
- Energy Rating registration
- AAC10270
- Registration valid until
- 2031-07-01
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 | 4.5 stars | 0 stars | 426 kWh 371 cooling, 55 heating | $140 |
| AverageSydney, Adelaide, Perth | 1 stars | 3 stars | 450 kWh 186 cooling, 264 heating | $148 |
| ColdCanberra, Hobart, Melbourne | 4 stars | 2.5 stars | 653 kWh 120 cooling, 533 heating | $216 |
How it compares with other 2.5 kW units
- Cooling stars (average zone): 1 against a median of 3 across 23 2.5 kW ceiling cassette units, better than 0% 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 2.5 kW from other brands
Midea Apollo 2.8 kW ceiling cassette
MFAB-60WC/MULMIO09
4 stars cooling · 60.6 dB(A)
Fujitsu Compact Cassette 2.5 kW ceiling cassette
AOTH09KBTA/AUTH09KVLA
3.5 stars cooling · 47 dB(A)
Daikin 2.5 kW ceiling cassette
RZAC25EVM / FFA25AVM
3 stars cooling · – dB(A)
Mitsubishi Electric MLZ-KP Cassette 2.5 kW ceiling cassette
SUZ-M25VAD-A/MLZ-KP25VG
3 stars cooling · – dB(A)
Mitsubishi Electric MLZ-KP Cassette 2.5 kW ceiling cassette
SUZ-M25VAD2-A/MLZ-KP25VG-A2
3 stars cooling · – dB(A)
Fujitsu 2.6 kW ceiling cassette
AOTG09LBCB/AUTG09LVLB
2.5 stars cooling · – dB(A)
FAQ
Hitachi RAC-VJ25NHAE/RAI-VJ25RHAE: common questions
How much does the Hitachi 2.5 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 Hitachi 2.5 kW ceiling cassette cost to run?
Using the energy label's annual figures at 33c/kWh: about $140 a year in a hot zone, $148 in an average zone and $216 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.
Where is the Hitachi RAC-VJ25NHAE/RAI-VJ25RHAE made?
The Energy Rating register lists the country of manufacture as China.
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