Australia · costs in AUD
Reverse cycle split system air conditioner, wall hung
Midea MFXS81WA/MFXS81NA Air Conditioner
Midea MFXS81WA/MFXS81NA is a 7.6 kW reverse cycle split system air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration ZAC0803).
- Energy rating (cooling)
- 3.5
- Heating: 2.5
- Annual electricity use
- 1,717 kWh
- 634 cooling + 1,083 heating
- Estimated running cost
- $549 / year
- $46 / month · $5,494 over 10 years
- Capacity
- 7.6 kW cooling
- 8 kW heating
6% less electricity than the median of 125 comparable 8 kW reverse cycle split system registrations (1,834 kWh a year) in the mixed zone. Uses less than 94% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 57% (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.
Midea MFXS81WA running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 3,333 | $1,067 | $10,666 |
| Mixed zone | 1,717 | $549 | $5,494 |
| Hot zone | 2,051 | $656 | $6,563 |
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 7.6 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Pioneer International HPR-24A27 kW heating6.7 kW cooling1,373 kWh/yr | 4.5 | $439 | |
| Panasonic U-71PZ4R5 / S-6071PT3E6.8 kW heating6.8 kW cooling1,399 kWh/yr | 3 | $448 | |
| Mdv C-UV-74N8-QC3W / CSV-72N8-QC7W7.7 kW heating7.2 kW cooling1,404 kWh/yr | 4 | $449 | |
| Panasonic U-71PZ3R5/S-6071PT3E6.8 kW heating6.8 kW cooling1,421 kWh/yr | 2.5 | $455 | |
| Kogan KASSSAC71HB7.5 kW heating7.1 kW cooling1,433 kWh/yr | 4 | $459 |
Air conditioners similar to the Midea MFXS81WA
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Emerald ACSS769.6 kW heating7.6 kW cooling1,712 kWh/yr | 4.5 | $548 | |
| Kaden KSI288.5 kW heating7.6 kW cooling1,743 kWh/yr | 3.5 | $558 | |
| Carrier 38QRF080N8/42QRF080N88.2 kW heating7.7 kW cooling1,718 kWh/yr | 3.5 | $550 | |
| Kaden KSI-7.68.2 kW heating7.7 kW cooling1,718 kWh/yr | 3.5 | $550 | |
| Rinnai HONRTX80/HINRTX808.2 kW heating7.7 kW cooling1,718 kWh/yr | 3.5 | $550 | |
| Carrier 38QAF080N8/42QAF080N88.2 kW heating7.7 kW cooling1,718 kWh/yr | 3.5 | $550 | |
| Comfee CASG-XG80B/CASN-XG80B8.2 kW heating7.7 kW cooling1,718 kWh/yr | 3.5 | $550 |
Other Midea models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Midea MFXP80WA/MFXP80NA8 kW heating7.6 kW cooling1,717 kWh/yr | 3.5 | $549 |
Compare MFXS81WA/MFXS81NA with another model
Midea MFXS81WA specifications
- Type
- Reverse cycle
- Configuration
- Split system
- Air distribution
- Non-ducted
- Indoor unit
- Wall hung
- Rated cooling capacity (35 °C)
- 7.60 kW
- Cooling power input
- 2.30 kW
- Rated heating capacity (7 °C)
- 8.00 kW
- Heating power input
- 2.28 kW
- EER, full load (tested)
- 3.40
- COP, full load (tested)
- 3.62
- Rated AEER
- 3.30
- Rated ACOP
- 3.51
- Standby power (PIA)
- 0.7 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 64.6 dB(A)
- Outdoor sound power
- 66.5 dB(A)
- 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.
Midea MFXS81WA 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 | – | – | 692 | 905 |
| Coldresidential | residential | 3.5 | 2.0 | 396 | 2,937 |
| Mixedcommercial | commercial | – | – | 964 | 465 |
| Mixedresidential | residential | 3.5 | 2.5 | 634 | 1,083 |
| Hotcommercial | commercial | – | – | 2,434 | 91 |
| Hotresidential | residential | 3.5 | 3.0 | 1,906 | 145 |
Part-load test points (23 values)
- c__t1_min_cap_power_rated
- 665 W
- h__h1_min_cap_power_rated
- 469 W
- h__h2_ext_cap_power_rated
- 3030 W
- c__t1_half_cap_power_rated
- 780 W
- c__t1_have_min_cap_results
- Yes
- h__h1_half_cap_power_rated
- 805 W
- h__h1_have_min_cap_results
- Yes
- 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__h1_min_cap_heat_cap_rated
- 2260 W
- h__h2_ext_cap_heat_cap_rated
- 7782 W
- h__h1_half_cap_heat_cap_rated
- 3870 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_min_cap_power_rated
- 488 W
- c__t1_min_cap_cooling_cap_rated
- 3100 W
- c__low_temp_half_cap_power_rated
- 686 W
- c__t1_half_cap_cooling_cap_rated
- 3790 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_min_cap_cooling_cap_rated
- 3260 W
- c__low_temp_half_cap_cooling_cap_rated
- 4165 W
Australian GEMS registration details
- Registration number
- ZAC0803
- GEMS registration id
- 164949
- Status
- approved, available (self-reported)
- Registration expires
- n/a (NZ registration)
- Registered for sale in
- Australia, Fiji, New Zealand
- Family
- –
- Regulatory standard
- [SEER Non Multi-Split <=65kW] (Air Conditioners up to 65kW) EE Regulations 2020 Schedule 2A
- Test standard
- AS/NZS 3823.1.1:2012
- MEPS
- 2019
- Product class
- Class 9
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: tradedepot.co.nz. How the derived figures are calculated.