Australia · costs in AUD
Reverse cycle window / wall air conditioner
Gree GJH21AE-K6NRN**A Air Conditioner
Gree GJH21AE-K6NRN**A is a 6.1 kW reverse cycle window / wall air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC7209).
A newer registration of this model exists: AAC8010.
- Energy rating (cooling)
- 1.5
- Heating: 0.5
- Annual electricity use
- 2,058 kWh
- 773 cooling + 1,285 heating
- Estimated running cost
- $659 / year
- $55 / month · $6,586 over 10 years
- Capacity
- 6.1 kW cooling
- 5.7 kW heating
2% less electricity than the median of 7 comparable 6 kW reverse cycle window / wall registrations (2,106 kWh a year) in the mixed zone. Uses less than 57% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 50% (this compares very different sizes, so the cohort figure above is the useful one).
Annual kWh is the government label figure for a residential user in the mixed zone (Richmond NSW climate: Sydney, Melbourne, Adelaide, Perth). Mixed climate zone shown by default (Sydney, Melbourne, Adelaide, Perth); switch to cold or hot. Cost = kWh × 32c/kWh in AUD; change the price above to your tariff.
Gree GJH21AE-K6NRN**A running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 3,840 | $1,229 | $12,288 |
| Mixed zone | 2,058 | $659 | $6,586 |
| Hot zone | 2,477 | $793 | $7,926 |
At 32c/kWh. Formula: cost = annual kWh × price. The kWh figure is the label’s residential estimate for that zone; commercial-profile figures are in the specifications.
Air conditioners that use less electricity
Same configuration and type, cooling capacity within 12% of 6.1 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Midea MWFF53H4.8 kW heating5.4 kW cooling1,721 kWh/yr | 1.5 | $551 |
Air conditioners similar to the Gree GJH21AE-K6NRN**A
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Westinghouse WH605.8 kW heating6.1 kW cooling2,106 kWh/yr | 1.5 | $674 | |
| Kaden KW215.8 kW heating6.1 kW cooling2,106 kWh/yr | 1.5 | $674 | |
| TECO TWW61HFWDG5.7 kW heating6.1 kW cooling2,058 kWh/yr | 1.5 | $659 | |
| Westinghouse WWH60HWA5.8 kW heating6.1 kW cooling2,106 kWh/yr | 1.5 | $674 | |
| Kelvinator KWH60HRF5.8 kW heating6.1 kW cooling2,106 kWh/yr | 1.5 | $674 | |
| TECO TWW61HFWEG5.8 kW heating6.1 kW cooling2,106 kWh/yr | 1.5 | $674 | |
| Kaden KW215.5 kW heating6 kW cooling2,012 kWh/yr | 1.5 | $644 |
Other Gree models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Gree GJH21AE-K6NRND6A5.8 kW heating6.1 kW cooling2,106 kWh/yr | 1.5 | $674 |
Compare GJH21AE-K6NRN**A with another model
Gree GJH21AE-K6NRN**A specifications
- Type
- Reverse cycle
- Configuration
- Window / wall
- Air distribution
- Non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 6.09 kW
- Cooling power input
- 1.84 kW
- Rated heating capacity (7 °C)
- 5.65 kW
- Heating power input
- 1.73 kW
- EER, full load (tested)
- 3.37
- COP, full load (tested)
- 3.20
- Rated AEER
- 3.30
- Rated ACOP
- 3.25
- Standby power (PIA)
- 1.9 W
- Compressor
- Fixed speed
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 65.3 dB(A)
- Outdoor sound power
- 73 dB(A)
- Demand response (AS/NZS 4755)
- No
- Country of manufacture
- China
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Gree GJH21AE-K6NRN**A zoned energy rating figures
As published for each climate zone. Residential figures drive the star ratings; commercial figures assume a commercial usage pattern.
| Zone | Profile | Cooling stars | Heating stars | Cooling kWh | Heating kWh |
|---|---|---|---|---|---|
| Coldcommercial | commercial | – | – | 1,187 | 1,047 |
| Coldresidential | residential | 1.5 | 0.5 | 510 | 3,330 |
| Mixedcommercial | commercial | – | – | 1,466 | 550 |
| Mixedresidential | residential | 1.5 | 0.5 | 773 | 1,285 |
| Hotcommercial | commercial | – | – | 3,168 | 111 |
| Hotresidential | residential | 1.5 | 1.0 | 2,297 | 180 |
Part-load test points (6 values)
- h__h2_full_cap_power_rated
- 1470 W
- h__h3_have_full_cap_results
- No
- h__h2_full_cap_heat_cap_rated
- 3450 W
- c__low_temp_full_cap_power_rated
- 1650 W
- c__low_temp_have_full_cap_results
- Yes
- c__low_temp_full_cap_cooling_cap_rated
- 6350 W
Related Gree model numbers starting with GJH21AEK6NRNA
1 model numbers on 1 other registration. Variants registered separately can carry different star ratings and energy figures; check the registration number on the label.
| Model | Registration | Stars | kWh / yr | Registration expires |
|---|---|---|---|---|
| GJH21AE-K6NRN**A | AAC8010 | 1.5 | 2,106 | 20 January 2029 |
Other model numbers on registration AAC7209
Registered together and sharing the same test results. Usually variants of the same unit.
Australian GEMS registration details
- Registration number
- AAC7209
- GEMS registration id
- 151575
- Status
- approved, available (self-reported)
- Registration expires
- 13 December 2027
- Registered for sale in
- Australia, Fiji, New Zealand
- Family
- GJH21AE-K6NRN**A
- Regulatory standard
- [SEER Non Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
- Test standard
- AS/NZS 3823.1.1:2012
- MEPS
- 2019
- Product class
- Class 5
Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 19 September 2026; last checked 20 September 2026. How the derived figures are calculated.