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Panasonic Z Series 2 kW split system

$1,400–$2,400

estimated installed price

CU-Z20AKR / CS-Z20AKRW Also sold as CU-Z20DKR / CS-Z20DKRW
Panasonic Z Series indoor unit
Image: Panasonic. Shows the Panasonic Z Series range; sizes look alike

Cooling

2 kW

3.5 stars

Heating

2.8 kW

3 stars

Indoor noise

54

dB(A) sound power, quieter than 22% of its size

Running cost

$158

a year, average zone, at 33c/kWh

Short answer

The Panasonic Z Series 2 kW split system (CU-Z20AKR / CS-Z20AKRW) is a 2 kW reverse cycle wall split rated 3.5 stars for cooling and 3 stars for heating in the average climate zone. Installed, expect $1,400 to $2,400; the label's figures put running costs near $158 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
Panasonic
Series
Panasonic Z Series
Model numbers
CU-Z20AKR / CS-Z20AKRW, CU-Z20DKR / CS-Z20DKRW
Type
Wall split, reverse cycle (heats and cools)
Cooling capacity
2 kW
Cooling power input
0.45 kW
Heating capacity
2.8 kW
Heating power input
0.6 kW
Annual efficiency, cooling (AEER)
4.47
Annual efficiency, heating (ACOP)
4.6
Indoor sound power
54 dB(A)
Outdoor sound power
61 dB(A)
Refrigerant
R32
Power supply
Single-phase
Demand response capable
Yes
Country of manufacture
Malaysia
Energy Rating registration
AAC8201
Registration valid until
2029-05-02

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 3.5 stars 486 kWh 434 cooling, 52 heating $160
AverageSydney, Adelaide, Perth 3.5 stars 3 stars 479 kWh 154 cooling, 325 heating $158
ColdCanberra, Hobart, Melbourne 3.5 stars 2.5 stars 960 kWh 100 cooling, 860 heating $317

How it compares with other 2.0 kW units

See the quietest and most efficient rankings.

Other sizes in the Panasonic Z Series range

Alternatives at 2.0 kW from other brands

FAQ

Panasonic CU-Z20AKR / CS-Z20AKRW: common questions

How much does the Panasonic Z Series 2 kW split system cost installed?

Typically $1,400 to $2,400 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 Panasonic Z Series 2 kW split system cost to run?

Using the energy label's annual figures at 33c/kWh: about $160 a year in a hot zone, $158 in an average zone and $317 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.

Where is the Panasonic CU-Z20AKR / CS-Z20AKRW made?

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

Is the Panasonic Z Series 2 kW split system quiet?

Its registered indoor sound power is 54 dB(A), against a median of 52.4 dB(A) for 2.0 kW wall split units, so it's quieter than about 22% 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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