Australia · costs in AUD
Reverse cycle fixed air conditioner
Samsung Electronics AJ120HCJ5KG Air Conditioner
Samsung Electronics AJ120HCJ5KG is a 12 kW reverse cycle fixed air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC9938).
- Energy rating (cooling)
- 3
- Heating: 2.5
- Annual electricity use
- 2,842 kWh
- 1,065 cooling + 1,777 heating
- Estimated running cost
- $909 / year
- $76 / month · $9,094 over 10 years
- Capacity
- 12 kW cooling
- 13.5 kW heating
About the same electricity as the median of 17 comparable 12.5 kW reverse cycle fixed registrations (2,836 kWh a year) in the mixed zone. Uses less than 41% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 38% (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.
Samsung Electronics AJ120HCJ5KG running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 5,605 | $1,794 | $17,936 |
| Mixed zone | 2,842 | $909 | $9,094 |
| Hot zone | 3,318 | $1,062 | $10,618 |
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 12 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| TECO TSOM106HVAG411.4 kW heating10.6 kW cooling2,217 kWh/yr | 3.5 | $709 | |
| Carrier 38QUM110D8S512.5 kW heating11.6 kW cooling2,399 kWh/yr | 3.5 | $768 | |
| Fujitsu AOTH45KBTA513.2 kW heating12.5 kW cooling2,423 kWh/yr | 3.5 | $775 | |
| Carrier 38QUM105D8S511 kW heating10.7 kW cooling2,447 kWh/yr | 3 | $783 | |
| TECO TSOM123HVAG512.6 kW heating12.3 kW cooling2,448 kWh/yr | 3.5 | $783 |
Air conditioners similar to the Samsung Electronics AJ120HCJ5KG
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Kaden KM4612 kW heating12 kW cooling2,727 kWh/yr | 3 | $873 | |
| Mitsubishi Electric MXZ-6F120VGD13.2 kW heating12 kW cooling2,618 kWh/yr | 3.5 | $838 | |
| Actron Air MRC-120CS-512.5 kW heating11.8 kW cooling2,598 kWh/yr | 3.5 | $831 | |
| Bonaire H5M125S1AE12.2 kW heating12.2 kW cooling2,512 kWh/yr | 3.5 | $804 | |
| Bonaire H5M125S2AE13.5 kW heating12.3 kW cooling2,850 kWh/yr | 3 | $912 | |
| Hyundai HYSMHS12OTA13.5 kW heating12.3 kW cooling2,850 kWh/yr | 3 | $912 | |
| Hyundai HYSMHS12OTC13.5 kW heating12.3 kW cooling2,850 kWh/yr | 3 | $912 | |
| TECO TSOM123HVAG512.6 kW heating12.3 kW cooling2,448 kWh/yr | 3.5 | $783 |
Compare AJ120HCJ5KG with another model
Samsung Electronics AJ120HCJ5KG specifications
- Type
- Reverse cycle
- Configuration
- Fixed
- Air distribution
- Non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 12.00 kW
- Cooling power input
- 3.30 kW
- Rated heating capacity (7 °C)
- 13.50 kW
- Heating power input
- 3.35 kW
- EER, full load (tested)
- 3.94
- COP, full load (tested)
- 4.17
- Rated AEER
- 3.57
- Rated ACOP
- 3.96
- Standby power (PIA)
- 18.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 68.7 dB(A)
- Demand response (AS/NZS 4755)
- No
- Country of manufacture
- China, Thailand
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Samsung Electronics AJ120HCJ5KG 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 | – | – | 1,432 | 1,552 |
| Coldresidential | residential | 3.0 | 2.0 | 680 | 4,925 |
| Mixedcommercial | commercial | – | – | 1,808 | 795 |
| Mixedresidential | residential | 3.0 | 2.5 | 1,065 | 1,777 |
| Hotcommercial | commercial | – | – | 4,029 | 184 |
| Hotresidential | residential | 3.5 | 3.0 | 3,037 | 281 |
Part-load test points (16 values)
- h__h2_ext_cap_power_rated
- 3950 W
- c__t1_half_cap_power_rated
- 1100 W
- c__t1_have_min_cap_results
- No
- h__h1_half_cap_power_rated
- 1290 W
- h__h1_have_min_cap_results
- No
- h__h3_have_ext_cap_results
- No
- h__h2_have_full_cap_results
- No
- h__h2_have_half_cap_results
- No
- h__h3_have_full_cap_results
- No
- h__h3_have_half_cap_results
- No
- h__h2_ext_cap_heat_cap_rated
- 11000 W
- h__h1_half_cap_heat_cap_rated
- 6750 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_have_min_cap_results
- No
- c__t1_half_cap_cooling_cap_rated
- 6000 W
- c__low_temp_have_half_cap_results
- No
Australian GEMS registration details
- Registration number
- AAC9938
- GEMS registration id
- 177620
- Status
- approved, available (self-reported)
- Registration expires
- 12 March 2031
- Registered for sale in
- Australia, New Zealand
- Family
- –
- Regulatory standard
- [SEER Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
- Test standard
- AS/NZS 3823.1.4:2012
- MEPS
- 2019
- Product class
- Class 20
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.