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Rinnai PX Series 7 kW split system

$2,600–$3,900

estimated installed price

HONRPX70/HINRPX70M
Rinnai PX Series indoor unit
Image: Rinnai. Shows the Rinnai PX Series range; sizes look alike

Cooling

7 kW

3.5 stars

Heating

7.7 kW

2.5 stars

Indoor noise

63.9

dB(A) sound power, quieter than 38% of its size

Running cost

$507

a year, average zone, at 33c/kWh

Short answer

The Rinnai PX Series 7 kW split system (HONRPX70/HINRPX70M) is a 7 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 $507 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
Rinnai
Series
Rinnai PX Series
Model numbers
HONRPX70/HINRPX70M
Type
Wall split, reverse cycle (heats and cools)
Cooling capacity
7 kW
Cooling power input
1.971 kW
Heating capacity
7.7 kW
Heating power input
1.983 kW
Annual efficiency, cooling (AEER)
3.55
Annual efficiency, heating (ACOP)
3.88
Indoor sound power
63.9 dB(A)
Outdoor sound power
66.4 dB(A)
Refrigerant
R32
Power supply
Single-phase
Demand response capable
Yes
Country of manufacture
China
Energy Rating registration
AAC9066
Registration valid until
2030-07-02

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 stars 3 stars 1,779 kWh 1643 cooling, 136 heating $587
AverageSydney, Adelaide, Perth 3.5 stars 2.5 stars 1,538 kWh 555 cooling, 983 heating $507
ColdCanberra, Hobart, Melbourne 4 stars 2 stars 2,980 kWh 347 cooling, 2633 heating $984

How it compares with other 7.1 kW units

See the quietest and most efficient rankings.

Other sizes in the Rinnai PX Series range

Alternatives at 7.1 kW from other brands

FAQ

Rinnai HONRPX70/HINRPX70M: common questions

How much does the Rinnai PX Series 7 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 Rinnai PX Series 7 kW split system cost to run?

Using the energy label's annual figures at 33c/kWh: about $587 a year in a hot zone, $507 in an average zone and $984 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.

Where is the Rinnai HONRPX70/HINRPX70M made?

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

Is the Rinnai PX Series 7 kW split system quiet?

Its registered indoor sound power is 63.9 dB(A), against a median of 63.8 dB(A) for 7.1 kW wall split units, so it's quieter than about 38% 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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