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APAC 18.7 kW ducted system

$12,000–$20,000

estimated installed price

S018OVR3SA / S018ILR1SA- Also sold as S018OVR3SA / S018ILR1SA-FR, S018OVR3SA / S018ILR1SA-TR, S018OVR3SA / S018IVR3SA-TR
APAC S018OVR3SA / S018ILR1SA- indoor unit
Image: APAC. Shows this model family; sizes look alike

Cooling

18.7 kW

1.5 stars

Heating

16.1 kW

1 stars

Indoor noise

–

dB(A) sound power

Running cost

$1,784

a year, average zone, at 33c/kWh

Short answer

The APAC 18.7 kW ducted system (S018OVR3SA / S018ILR1SA-) is a 18.7 kW reverse cycle ducted rated 1.5 stars for cooling and 1 stars for heating in the average climate zone. Installed, expect $12,000 to $20,000; the label's figures put running costs near $1,784 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
APAC
Model numbers
S018OVR3SA / S018ILR1SA-, S018OVR3SA / S018ILR1SA-FR, S018OVR3SA / S018ILR1SA-TR, S018OVR3SA / S018IVR3SA-TR
Type
Ducted, reverse cycle (heats and cools)
Cooling capacity
18.7 kW
Cooling power input
4.95 kW
Heating capacity
16.1 kW
Heating power input
4.68 kW
Heating output at 2°C outside
13.23 kW
Annual efficiency, cooling (AEER)
3.67
Annual efficiency, heating (ACOP)
3.32
Indoor sound power
–
Outdoor sound power
–
Refrigerant
R410A
Power supply
Three-phase
Demand response capable
No
Country of manufacture
Australia, Malaysia
Energy Rating registration
AAC7458
Registration valid until
2028-05-01

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 2 stars 1 stars 6,990 kWh 6411 cooling, 579 heating $2,307
AverageSydney, Adelaide, Perth 1.5 stars 1 stars 5,406 kWh 2268 cooling, 3138 heating $1,784
ColdCanberra, Hobart, Melbourne 1.5 stars 1 stars 9,284 kWh 1527 cooling, 7757 heating $3,064

How it compares with other 18 kW and up units

See the quietest and most efficient rankings.

Alternatives at 18 kW and up from other brands

FAQ

APAC S018OVR3SA / S018ILR1SA-: common questions

How much does the APAC 18.7 kW ducted system cost installed?

Typically $12,000 to $20,000 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 APAC 18.7 kW ducted system cost to run?

Using the energy label's annual figures at 33c/kWh: about $2,307 a year in a hot zone, $1,784 in an average zone and $3,064 in a cold zone. The label assumes typical use; yours will differ with hours, set temperature and insulation.

Where is the APAC S018OVR3SA / S018ILR1SA- made?

The Energy Rating register lists the country of manufacture as Australia, 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.

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