MHI FDUA Ducted 12.5 kW ducted system
$8,000–$15,000
estimated installed price
Cooling
12.5 kW
2.5 stars
Heating
14 kW
2.5 stars
Indoor noise
–
dB(A) sound power
Running cost
$1,001
a year, average zone, at 33c/kWh
Short answer
The MHI FDUA Ducted 12.5 kW ducted system (FDCA125VNX-W/FDUA125VH) is a 12.5 kW reverse cycle ducted rated 2.5 stars for cooling and 2.5 stars for heating in the average climate zone. Installed, expect $8,000 to $15,000; the label's figures put running costs near $1,001 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
- Mitsubishi Heavy Industries
- Series
- MHI FDUA Ducted
- Model numbers
- FDCA125VNX-W/FDUA125VH
- Type
- Ducted, reverse cycle (heats and cools)
- Cooling capacity
- 12.5 kW
- Cooling power input
- 3.83 kW
- Heating capacity
- 14 kW
- Heating power input
- 3.68 kW
- Annual efficiency, cooling (AEER)
- 3.2
- Annual efficiency, heating (ACOP)
- 3.73
- Indoor sound power
- –
- Outdoor sound power
- –
- Refrigerant
- R32
- Power supply
- Single-phase
- Demand response capable
- Yes
- Country of manufacture
- Thailand
- Energy Rating registration
- AAC10073
- Registration valid until
- 2031-04-19
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 | 3.5 stars | 3 stars | 3,524 kWh 3214 cooling, 310 heating | $1,163 |
| AverageSydney, Adelaide, Perth | 2.5 stars | 2.5 stars | 3,035 kWh 1146 cooling, 1889 heating | $1,001 |
| ColdCanberra, Hobart, Melbourne | 3 stars | 2 stars | 5,647 kWh 729 cooling, 4918 heating | $1,864 |
How it compares with other 10 to 14 kW units
- Cooling stars (average zone): 2.5 against a median of 2.5 across 473 10 to 14 kW ducted units, better than 32% of them.
- Estimated installed price for this size: $8,000 to $15,000. Brand and install difficulty move it within that band.
See the quietest and most efficient rankings.
Other sizes in the MHI FDUA Ducted range
Alternatives at 10 to 14 kW from other brands
Brivis 13.6 kW ducted system
AONSR15B1/AINHU15B1
5 stars cooling · – dB(A)
Brivis 10.3 kW ducted system
AONSR13B1/AINHU11B1
4.5 stars cooling · – dB(A)
ActronAir 10.5 kW ducted system
LRC-100CS / LRE-100CS
4 stars cooling · – dB(A)
Brivis 12 kW ducted system
AONSR13B1/AINHU13B1
4 stars cooling · – dB(A)
Carrier 12.5 kW ducted system
38QSV125N8E/42QSV125N8H
4 stars cooling · – dB(A)
Kaden 10.5 kW ducted system
KDI36 / KDI36
4 stars cooling · – dB(A)
FAQ
Mitsubishi Heavy Industries FDCA125VNX-W/FDUA125VH: common questions
How much does the MHI FDUA Ducted 12.5 kW ducted system cost installed?
Typically $8,000 to $15,000 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 MHI FDUA Ducted 12.5 kW ducted system cost to run?
Using the energy label's annual figures at 33c/kWh: about $1,163 a year in a hot zone, $1,001 in an average zone and $1,864 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.
Where is the Mitsubishi Heavy Industries FDCA125VNX-W/FDUA125VH made?
The Energy Rating register lists the country of manufacture as Thailand.
Sources
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