Westinghouse split system
19
models on the register
Short answer
19 Westinghouse split system are registered for sale in Australia in 2026, from 2.6 to 9.1 kW. Supplied and installed, most land between $1,500 to $4,800; up to three licensed local installers will quote your actual job.
Prices are estimates, not quotes (how we estimate them). Rebate rules checked September 2026.
Compare 3 quotes for my houseAt a glance
- Models19
- Installed, estimate$1,500–$4,800
- Quietest indoorsWestinghouse HSV127HWAI51.3 dB(A), 3.6 kW
- Most efficient (average zone)Westinghouse HSV097HWAI6 cooling stars, 2.6 kW
- Reverse cycle100%heat and cool
- R32 refrigerant100%the current low-GWP standard
2.5 kW
4 models · installed $1,500–$2,500
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| HSV097HWAE/HSV097HWAI +2 variants with the same ratings | Wall split | 2.6 | 3.5 | 6★ | 3★ | 54.4 | $1,500–$2,500 | Get quotes |
| WSD27HWC-E / WSD27HWC-I | Wall split | 2.7 | 3.2 | 6★ | 3.5★ | 56.6 | $1,500–$2,500 | Get quotes |
3.5 kW
3 models · installed $1,700–$2,700
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| HSV127HWAE/HSV127HWAI +2 variants with the same ratings | Wall split | 3.6 | 4.4 | 5.5★ | 3★ | 51.3 | $1,700–$2,700 | Get quotes |
5.0 kW
4 models · installed $2,100–$3,300
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| HSV187HWAE/HSV187HWAI +2 variants with the same ratings | Wall split | 5.1 | 6.1 | 4★ | 3★ | 63.7 | $2,100–$3,300 | Get quotes |
| WSD51HWC-E / WSD51HWC-I | Wall split | 5.1 | 6 | 5★ | 3★ | 62.6 | $2,100–$3,300 | Get quotes |
7.1 kW
4 models · installed $2,600–$3,900
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| WSD70HWC-E / WSD70HWC-I | Wall split | 7 | 7.7 | 3.5★ | 2.5★ | 63.9 | $2,600–$3,900 | Get quotes |
| HSV247HWAE/HSV247HWAI +2 variants with the same ratings | Wall split | 7.3 | 8.3 | 3.5★ | 3★ | 58.1 | $2,600–$3,900 | Get quotes |
8.0 kW
1 models · installed $3,000–$4,300
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| WSD79HWC-E / WSD79HWC-I | Wall split | 8 | 8.7 | 3.5★ | 2.5★ | 67.3 | $3,000–$4,300 | Get quotes |
9 kW and up
3 models · installed $3,400–$4,800
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| HSV307HWAE/HSV307HWAI +2 variants with the same ratings | Wall split | 9.1 | 10.4 | 4★ | 2★ | 61.7 | $3,400–$4,800 | Get quotes |
Every model on the Energy Rating register marked available in Australia. Stars are the zoned label for the average climate zone (average zone); indoor noise is the registered sound power level, measured the same way for every model. Installed prices are estimated 2026 supply-and-install ranges, not quotes (how we estimate them); your installer confirms the number. Browse and filter everything in the full catalogue.
FAQ
Westinghouse split system: common questions
How much does a Westinghouse split system cost installed?
Typically $1,500 to $4,800 supplied and installed in 2026, depending on size and the job. 2.5 kW: $1,500 to $2,500; 3.5 kW: $1,700 to $2,700; 5.0 kW: $2,100 to $3,300; 7.1 kW: $2,600 to $3,900. Pipe runs, a new circuit or a second storey add to it. Get up to three local quotes for your actual job.
Which is the quietest Westinghouse split system?
On the registered indoor sound level, the Westinghouse HSV127HWAI (3.6 kW) is the quietest at 51.3 dB(A). Compare within the same size: bigger units are louder. See the quietest split systems ranking.
Which is the most energy efficient?
For the average climate zone, the Westinghouse HSV097HWAI (2.6 kW) has the highest cooling rating here at 6 stars. Star ratings on the zoned label run to 10, and a star is worth more in a hot zone than a mild one. For cold-climate heating, the Westinghouse HSV097HWAI leads at 3 stars.
What size split system do I need?
Roughly 2.5 kW for a bedroom, 3.5 kW for a large bedroom or small living room, and 5 to 7.1 kW for open-plan living. West glass and poor insulation push it up. Use the size calculator for your room.
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