Panasonic logo

Panasonic NX Splittable Ducted 12.5 kW ducted system

$8,000–$15,000

estimated installed price

U-125PZ4R5 / S-125PE4* Also sold as U-125PZ4R5 / S-125PE4R, U-125PZ4R5 / S-125PE4RN, U-125PZ4R8 / S-125PE4*, U-125PZ4R8 / S-125PE4R, U-125PZ4R8 / S-125PE4RN
Panasonic NX Splittable Ducted indoor unit
Image: Panasonic. Shows the Panasonic NX Splittable Ducted range; sizes look alike

Cooling

12.5 kW

3 stars

Heating

12.5 kW

3 stars

Indoor noise

–

dB(A) sound power

Running cost

$874

a year, average zone, at 33c/kWh

Short answer

The Panasonic NX Splittable Ducted 12.5 kW ducted system (U-125PZ4R5 / S-125PE4*) is a 12.5 kW reverse cycle ducted rated 3 stars for cooling and 3 stars for heating in the average climate zone. Installed, expect $8,000 to $15,000; the label's figures put running costs near $874 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 house

Full specifications

Brand
Panasonic
Series
Panasonic NX Splittable Ducted
Model numbers
U-125PZ4R5 / S-125PE4*, U-125PZ4R5 / S-125PE4R, U-125PZ4R5 / S-125PE4RN, U-125PZ4R8 / S-125PE4*, U-125PZ4R8 / S-125PE4R, U-125PZ4R8 / S-125PE4RN
Type
Ducted, reverse cycle (heats and cools)
Cooling capacity
12.5 kW
Cooling power input
3.52 kW
Heating capacity
12.5 kW
Heating power input
2.9 kW
Annual efficiency, cooling (AEER)
3.49
Annual efficiency, heating (ACOP)
4.22
Indoor sound power
–
Outdoor sound power
–
Refrigerant
R32
Power supply
Single-phase
Demand response capable
Yes
Country of manufacture
Malaysia
Energy Rating registration
AAC9157
Registration valid until
2030-07-31

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 3.5 stars 3,444 kWh 3192 cooling, 252 heating $1,136
AverageSydney, Adelaide, Perth 3 stars 3 stars 2,648 kWh 1111 cooling, 1537 heating $874
ColdCanberra, Hobart, Melbourne 3 stars 2.5 stars 4,742 kWh 715 cooling, 4027 heating $1,565

How it compares with other 10 to 14 kW units

See the quietest and most efficient rankings.

Other sizes in the Panasonic NX Splittable Ducted range

Alternatives at 10 to 14 kW from other brands

FAQ

Panasonic U-125PZ4R5 / S-125PE4*: common questions

How much does the Panasonic NX Splittable 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 Panasonic NX Splittable Ducted 12.5 kW ducted system cost to run?

Using the energy label's annual figures at 33c/kWh: about $1,136 a year in a hot zone, $874 in an average zone and $1,565 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.

Where is the Panasonic U-125PZ4R5 / S-125PE4* made?

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

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.

A quiet Australian living room

Get quotes for your air con

Free and takes about two minutes. Check your rebate, then up to three licensed local installers quote the job.

Compare 3 quotes