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MHI Bronte 7.1 kW split system

$2,600–$3,900

estimated installed price

DXC24ZRA-W / DXK24ZRA-WF1 Also sold as SRC71ZRA-W / SRK71ZRA-WF1, SRK71/DXK24ZRA-WF1
MHI Bronte indoor unit
Image: Mitsubishi Heavy Industries. Shows the MHI Bronte range; sizes look alike

Cooling

7.1 kW

3.5 stars

Heating

8 kW

2.5 stars

Indoor noise

55

dB(A) sound power, quieter than 90% of its size

Running cost

$521

a year, average zone, at 33c/kWh

Short answer

The MHI Bronte 7.1 kW split system (DXC24ZRA-W / DXK24ZRA-WF1) is a 7.1 kW reverse cycle wall split rated 3.5 stars for cooling and 2.5 stars for heating in the average climate zone. Installed, expect $2,600 to $3,900; the label's figures put running costs near $521 a year in an average-zone home.

Prices are estimates, not quotes (how we estimate them). Rebate rules checked September 2026.

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Full specifications

Brand
Mitsubishi Heavy Industries
Series
MHI Bronte
Model numbers
DXC24ZRA-W / DXK24ZRA-WF1, SRC71ZRA-W / SRK71ZRA-WF1, SRK71/DXK24ZRA-WF1
Type
Wall split, reverse cycle (heats and cools)
Cooling capacity
7.1 kW
Cooling power input
1.84 kW
Heating capacity
8 kW
Heating power input
2.02 kW
Annual efficiency, cooling (AEER)
3.83
Annual efficiency, heating (ACOP)
3.94
Indoor sound power
55 dB(A)
Outdoor sound power
65 dB(A)
Refrigerant
R32
Power supply
Single-phase
Demand response capable
Yes
Country of manufacture
Thailand
Energy Rating registration
AAC8233
Registration valid until
2029-05-13

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 stars 3 stars 1,805 kWh 1657 cooling, 148 heating $596
AverageSydney, Adelaide, Perth 3.5 stars 2.5 stars 1,577 kWh 566 cooling, 1011 heating $521
ColdCanberra, Hobart, Melbourne 3.5 stars 2 stars 3,068 kWh 358 cooling, 2710 heating $1,012

How it compares with other 7.1 kW units

See the quietest and most efficient rankings.

Other sizes in the MHI Bronte range

Alternatives at 7.1 kW from other brands

FAQ

Mitsubishi Heavy Industries DXC24ZRA-W / DXK24ZRA-WF1: common questions

How much does the MHI Bronte 7.1 kW split system cost installed?

Typically $2,600 to $3,900 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 Bronte 7.1 kW split system cost to run?

Using the energy label's annual figures at 33c/kWh: about $596 a year in a hot zone, $521 in an average zone and $1,012 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.

Where is the Mitsubishi Heavy Industries DXC24ZRA-W / DXK24ZRA-WF1 made?

The Energy Rating register lists the country of manufacture as Thailand.

Is the MHI Bronte 7.1 kW split system quiet?

Its registered indoor sound power is 55 dB(A), against a median of 63.8 dB(A) for 7.1 kW wall split units, so it's quieter than about 90% of them. Brochures quote a lower sound pressure figure on the lowest fan speed; the register measures every model the same way.

Sources

Brand names and logos are trademarks of their owners, shown to identify the brands we compare. We are independent and not affiliated with any manufacturer.

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