Gree Alto
27
models on the register
Short answer
27 Gree Alto models are registered for sale in Australia in 2026, from 2 to 8.2 kW. Supplied and installed, most land between $1,400 to $4,300; 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 houseAlto is Gree's entry wall split in seven sizes from 2.0 to 10 kW, with reverse cycle and cooling-only versions. It suits budget installs.
- G10 inverter technology
- Built-in Wi-Fi
- Cooling-only and reverse cycle models
At a glance
- Models27
- Installed, estimate$1,400–$4,300
- Quietest indoorsGree I54.9 dB(A), 2.7 kW
- Most efficient (average zone)Gree I4.5 cooling stars, 7.1 kW
- Reverse cycle81%heat and cool
- R32 refrigerant100%the current low-GWP standard
2.0 kW
3 models · installed $1,400–$2,400
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| GWH07ATAXA-K6DNA1D/O / GWH07ATAXA-K6DNA1D/I +2 variants with the same ratings | Wall split | 2 | 2.6 | 3★ | 2★ | 55.6 | $1,400–$2,400 | Get quotes |
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 |
|---|---|---|---|---|---|---|---|---|
| GWC09ATBXB-K6DNA1C/O / GWC09ATBXB-K6DNA1C/I | Wall split, cooling only | 2.7 | – | 3★ | – | 54.9 | $1,500–$2,500 | Get quotes |
| GWH09ATBXB-K6DNA1C/O / GWH09ATBXB-K6DNA1C/I +2 variants with the same ratings | Wall split | 2.7 | 3 | 3★ | 2★ | 55.1 | $1,500–$2,500 | Get quotes |
3.5 kW
5 models · installed $1,700–$2,700
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| GWC12ATCXB-K6DNA1B/O / GWC12ATCXB-K6DNA1B/I | Wall split, cooling only | 3.5 | – | 3.5★ | – | 57.1 | $1,700–$2,700 | Get quotes |
| GWH12ATCXB-K6DNA1B/O / GWH12ATCXB-K6DNA1B/I +3 variants with the same ratings | Wall split | 3.5 | 3.8 | 4★ | 2.5★ | 59.7 | $1,700–$2,700 | Get quotes |
5.0 kW
6 models · installed $2,100–$3,300
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| GWC18ATDXD-K6DNA1C/O / GWC18ATDXD-K6DNA1C/I | Wall split, cooling only | 5.2 | – | 3★ | – | 61.3 | $2,100–$3,300 | Get quotes |
| GWH18ATDXD-K6DNA1C/O / GWH18ATDXD-K6DNA1C/I +4 variants with the same ratings | Wall split | 5.2 | 5.8 | 3★ | 2.5★ | 61.9 | $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 |
|---|---|---|---|---|---|---|---|---|
| GWC24ATEXF-K6DNA1E/O / GWC24ATEXF-K6DNA1E/I | Wall split, cooling only | 7.1 | – | 4★ | – | 63.2 | $2,600–$3,900 | Get quotes |
| GWH24ATEXF-K6DNA1E/O / GWH24ATEXF-K6DNA1E/I +2 variants with the same ratings | Wall split | 7.1 | 7.8 | 4.5★ | 2.5★ | 68.7 | $2,600–$3,900 | Get quotes |
8.0 kW
5 models · installed $3,000–$4,300
| Model (outdoor / indoor) | Type | Cool kW | Heat kW | Cool stars | Heat stars | Indoor dB | Installed, estimate | Quote |
|---|---|---|---|---|---|---|---|---|
| GWC28ATEXF-K6DNA1A/O / GWC28ATEXF-K6DNA1A/I | Wall split, cooling only | 8.2 | – | 3.5★ | – | 66 | $3,000–$4,300 | Get quotes |
| GWH28ATEXF +3 variants with the same ratings | Wall split | 8.2 | 9 | 3.5★ | 2.5★ | 67.8 | $3,000–$4,300 | 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
Gree Alto: common questions
How much does a Gree Alto model cost installed?
Typically $1,400 to $4,300 supplied and installed in 2026, depending on size and the job. 2.0 kW: $1,400 to $2,400; 2.5 kW: $1,500 to $2,500; 3.5 kW: $1,700 to $2,700; 5.0 kW: $2,100 to $3,300. 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 Gree Alto models?
On the registered indoor sound level, the Gree I (2.7 kW) is the quietest at 54.9 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 Gree I (7.1 kW) has the highest cooling rating here at 4.5 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 Gree I leads at 2 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.
Sources
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