Australia · costs in AUD
Reverse cycle fixed air conditioner
Samsung Electronics AJ100HCJ5KG Air Conditioner
Samsung Electronics AJ100HCJ5KG is a 10 kW reverse cycle fixed air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC9939).
- Energy rating (cooling)
- 3
- Heating: 2.5
- Annual electricity use
- 2,445 kWh
- 870 cooling + 1,575 heating
- Estimated running cost
- $782 / year
- $65 / month · $7,824 over 10 years
- Capacity
- 10 kW cooling
- 12 kW heating
7% more electricity than the median of 25 comparable 10 kW reverse cycle fixed registrations (2,278 kWh a year) in the mixed zone. Uses less than 32% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 43% (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 AJ100HCJ5KG running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 4,926 | $1,576 | $15,763 |
| Mixed zone | 2,445 | $782 | $7,824 |
| Hot zone | 2,709 | $867 | $8,669 |
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 10 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Actron Air MRC-100CS-49.5 kW heating9.4 kW cooling1,776 kWh/yr | 4 | $568 | |
| Kaden KM9.09.4 kW heating9 kW cooling1,820 kWh/yr | 3.5 | $582 | |
| Carrier 38QUM080D8S4-19.5 kW heating9 kW cooling1,834 kWh/yr | 4 | $587 | |
| Midea MULMI0490B9.6 kW heating9.2 kW cooling1,847 kWh/yr | 4 | $591 | |
| Actron Air MRC-090DS-49.6 kW heating9.2 kW cooling1,847 kWh/yr | 4 | $591 |
Air conditioners similar to the Samsung Electronics AJ100HCJ5KG
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Panasonic CU-5Z100VBR12 kW heating10 kW cooling2,230 kWh/yr | 3.5 | $714 | |
| Panasonic CU-5Z100DBR12 kW heating10 kW cooling2,115 kWh/yr | 4 | $677 | |
| Mitsubishi Electric MXZ-5F100VGD10 kW heating10 kW cooling1,941 kWh/yr | 3 | $621 | |
| Daikin 5MXM100RVMA11 kW heating10 kW cooling2,172 kWh/yr | 3 | $695 | |
| Hisense AMW4-100U4RAA11 kW heating10 kW cooling2,362 kWh/yr | 2.5 | $756 | |
| Toshiba RAS-5M34B2AVG-A12 kW heating10 kW cooling2,321 kWh/yr | 3 | $743 | |
| Fujitsu AOTG36LBLA512 kW heating10 kW cooling2,175 kWh/yr | 3.5 | $696 | |
| Fujitsu AOTH36KBTA512 kW heating10 kW cooling2,037 kWh/yr | 3.5 | $652 |
Compare AJ100HCJ5KG with another model
Samsung Electronics AJ100HCJ5KG specifications
- Type
- Reverse cycle
- Configuration
- Fixed
- Air distribution
- Non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 10.00 kW
- Cooling power input
- 2.50 kW
- Rated heating capacity (7 °C)
- 12.00 kW
- Heating power input
- 2.85 kW
- EER, full load (tested)
- 4.13
- COP, full load (tested)
- 4.33
- Rated AEER
- 3.91
- Rated ACOP
- 4.12
- Standby power (PIA)
- 18.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 67.2 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 AJ100HCJ5KG 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 | – | – | 1,226 | 1,396 |
| Coldresidential | residential | 3.0 | 2.0 | 564 | 4,362 |
| Mixedcommercial | commercial | – | – | 1,513 | 711 |
| Mixedresidential | residential | 3.0 | 2.5 | 870 | 1,575 |
| Hotcommercial | commercial | – | – | 2,975 | 200 |
| Hotresidential | residential | 3.5 | 3.0 | 2,454 | 255 |
Part-load test points (16 values)
- h__h2_ext_cap_power_rated
- 3270 W
- c__t1_half_cap_power_rated
- 920 W
- c__t1_have_min_cap_results
- No
- h__h1_half_cap_power_rated
- 1150 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
- 9500 W
- h__h1_half_cap_heat_cap_rated
- 6000 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_have_min_cap_results
- No
- c__t1_half_cap_cooling_cap_rated
- 5000 W
- c__low_temp_have_half_cap_results
- No
Australian GEMS registration details
- Registration number
- AAC9939
- GEMS registration id
- 177581
- Status
- approved, available (self-reported)
- Registration expires
- 13 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.