Australia · costs in AUD
Reverse cycle multi-split / vrf air conditioner
Braemar MCHX450D326B Air Conditioner
Braemar MCHX450D326B is a 45 kW reverse cycle ducted multi-split / vrf air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC7019).
- Energy rating (cooling)
- 2.5
- Heating: 2
- Annual electricity use
- 10,705 kWh
- 4,316 cooling + 6,389 heating
- Estimated running cost
- $3,426 / year
- $285 / month · $34,256 over 10 years
- Capacity
- 45 kW cooling
- 45 kW heating
8% less electricity than the median of 10 comparable 50 kW reverse cycle ducted multi-split / vrf registrations (11,594 kWh a year) in the mixed zone. Uses less than 70% of them.
Across all 3,681 air conditioner registrations sold in Australia, it uses less than 7% (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.
Braemar MCHX450D326B running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 20,722 | $6,631 | $66,310 |
| Mixed zone | 10,705 | $3,426 | $34,256 |
| Hot zone | 13,314 | $4,260 | $42,605 |
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 45 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Haier AV18IMAURA56.5 kW heating50 kW cooling5,671 kWh/yr | 2 | $1,815 | |
| Braemar MCHX400D323B40 kW heating40 kW cooling9,080 kWh/yr | 2.5 | $2,906 | |
| Gree GMV-400WM/C-X(A)40 kW heating40 kW cooling9,080 kWh/yr | 2.5 | $2,906 | |
| Gree GMV-VQ400WM/C-X(A)40 kW heating40 kW cooling9,788 kWh/yr | 2.5 | $3,132 | |
| Braemar MCRX400D323B40 kW heating40 kW cooling9,788 kWh/yr | 2.5 | $3,132 |
Air conditioners similar to the Braemar MCHX450D326B
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Panasonic U-16ME2R850 kW heating45 kW cooling13,295 kWh/yr | 3 | $4,254 | |
| Gree GMV-450WM/C-X(A)45 kW heating45 kW cooling10,705 kWh/yr | 2.5 | $3,426 | |
| Panasonic U-16ME2R8E50 kW heating45 kW cooling13,295 kWh/yr | 3 | $4,254 | |
| Gree GMV-VQ450WM/C-X(A)45 kW heating45 kW cooling11,396 kWh/yr | 2 | $3,647 | |
| Haier AV16IMAURA50 kW heating45 kW cooling13,623 kWh/yr | 1.5 | $4,359 | |
| Haier AV18IMAURA56.5 kW heating50 kW cooling5,671 kWh/yr | 2 | $1,815 |
Other Braemar models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Braemar MCRX450D326B45 kW heating45 kW cooling11,396 kWh/yr | 2 | $3,647 | |
| Braemar MCHX400D323B40 kW heating40 kW cooling9,080 kWh/yr | 2.5 | $2,906 |
Compare MCHX450D326B with another model
Braemar MCHX450D326B specifications
- Type
- Reverse cycle
- Configuration
- Multi-split / VRF
- Air distribution
- Ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 45.00 kW
- Cooling power input
- 12.89 kW
- Rated heating capacity (7 °C)
- 45.00 kW
- Heating power input
- 11.60 kW
- EER, full load (tested)
- 3.43
- COP, full load (tested)
- 3.88
- Rated AEER
- 3.42
- Rated ACOP
- 3.80
- Standby power (PIA)
- 76.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R410A
- Power supply
- Three phase
- Indoor sound power
- –
- Outdoor sound power
- –
- Demand response (AS/NZS 4755)
- Yes
- Country of manufacture
- China
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Braemar MCHX450D326B 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 | – | – | 5,873 | 5,621 |
| Coldresidential | residential | 2.5 | 1.5 | 2,777 | 17,945 |
| Mixedcommercial | commercial | – | – | 7,386 | 2,867 |
| Mixedresidential | residential | 2.5 | 2.0 | 4,316 | 6,389 |
| Hotcommercial | commercial | – | – | 16,353 | 678 |
| Hotresidential | residential | 3.0 | 3.0 | 12,288 | 1,026 |
Part-load test points (20 values)
- h__h2_ext_cap_power_rated
- 15610 W
- c__t1_half_cap_power_rated
- 4550 W
- c__t1_have_min_cap_results
- No
- h__h1_half_cap_power_rated
- 4580 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
- 35950 W
- h__h1_half_cap_heat_cap_rated
- 22500 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_full_cap_power_rated
- 11781.460000000001 W
- c__low_temp_half_cap_power_rated
- 4158.7 W
- c__low_temp_have_min_cap_results
- No
- c__t1_half_cap_cooling_cap_rated
- 22500 W
- c__low_temp_have_half_cap_results
- No
- c__low_temp_full_cap_cooling_cap_rated
- 48465 W
- c__low_temp_half_cap_cooling_cap_rated
- 24232.5 W
Australian GEMS registration details
- Registration number
- AAC7019
- GEMS registration id
- 148293
- Status
- approved, available (self-reported)
- Registration expires
- 20 September 2027
- Registered for sale in
- Australia, Fiji, 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 21
Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 25 September 2026; last checked 26 September 2026. Manufacturer: gree.com. How the derived figures are calculated.