Panasonic NX Wall Mounted 9 kW split system
$3,400–$4,800
estimated installed price
Cooling
9 kW
2.5 stars
Heating
9 kW
2.5 stars
Indoor noise
–
dB(A) sound power
Running cost
$657
a year, average zone, at 33c/kWh
Short answer
The Panasonic NX Wall Mounted 9 kW split system (U-100PZ4R8 / S-100PK4R) is a 9 kW reverse cycle wall split rated 2.5 stars for cooling and 2.5 stars for heating in the average climate zone. Installed, expect $3,400 to $4,800; the label's figures put running costs near $657 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
- Panasonic
- Series
- Panasonic NX Wall Mounted
- Model numbers
- U-100PZ4R8 / S-100PK4R
- Type
- Wall split, reverse cycle (heats and cools)
- Cooling capacity
- 9 kW
- Cooling power input
- 2.65 kW
- Heating capacity
- 9 kW
- Heating power input
- 2.34 kW
- Annual efficiency, cooling (AEER)
- 3.33
- Annual efficiency, heating (ACOP)
- 3.76
- Indoor sound power
- –
- Outdoor sound power
- –
- Refrigerant
- R32
- Power supply
- Three-phase
- Demand response capable
- Yes
- Country of manufacture
- Malaysia
- Energy Rating registration
- AAC9122
- Registration valid until
- 2030-07-22
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 | 2,573 kWh 2388 cooling, 185 heating | $849 |
| AverageSydney, Adelaide, Perth | 2.5 stars | 2.5 stars | 1,989 kWh 842 cooling, 1147 heating | $657 |
| ColdCanberra, Hobart, Melbourne | 2.5 stars | 2 stars | 3,600 kWh 539 cooling, 3061 heating | $1,188 |
How it compares with other 9 kW and up units
- Cooling stars (average zone): 2.5 against a median of 3 across 105 9 kW and up wall split units, better than 25% of them.
- Estimated installed price for this size: $3,400 to $4,800. Brand and install difficulty move it within that band.
See the quietest and most efficient rankings.
Other sizes in the Panasonic NX Wall Mounted range
Alternatives at 9 kW and up from other brands
Westinghouse 9.1 kW split system
WSD91HWB-I/WSD91HWA-E
4 stars cooling · 61.7 dB(A)
ActronAir Serene 9 kW split system
WRC-090DS / WRE-090DS
4 stars cooling · 64.8 dB(A)
Midea EOS 9 kW split system
MFEP90VB-W/MFEP90VB-N
4 stars cooling · 64.8 dB(A)
Carrier 9 kW split system
38QRF090N8/42QRF090N8
4 stars cooling · 65.2 dB(A)
Kaden 9 kW split system
KSI-9.0
4 stars cooling · 65.2 dB(A)
Midea Venus 9 kW split system
MFAG90VB-W/MFAG90VB-N
4 stars cooling · 65.2 dB(A)
FAQ
Panasonic U-100PZ4R8 / S-100PK4R: common questions
How much does the Panasonic NX Wall Mounted 9 kW split system cost installed?
Typically $3,400 to $4,800 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 NX Wall Mounted 9 kW split system cost to run?
Using the energy label's annual figures at 33c/kWh: about $849 a year in a hot zone, $657 in an average zone and $1,188 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.
Where is the Panasonic U-100PZ4R8 / S-100PK4R made?
The Energy Rating register lists the country of manufacture as Malaysia.
Sources
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