New Zealand · costs in NZD
Reverse cycle split system air conditioner, wall hung
Midea MFXS20WA/MFXS20NA Heat Pump
Midea MFXS20WA/MFXS20NA is a 2 kW reverse cycle split system heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration ZAC0808).
- Energy rating (cooling)
- 5
- Heating: 2.5
- Annual electricity use
- 739 kWh
- 80 cooling + 659 heating
- Estimated running cost
- $244 / year
- $20 / month · $2,439 over 10 years
- Capacity
- 2 kW cooling
- 2.2 kW heating
11% less electricity than the median of 63 comparable 2 kW reverse cycle split system registrations (829 kWh a year) in the cold zone. Uses less than 78% of them.
Across all 3,611 air conditioner registrations sold in Australia, it uses less than 92% (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 cold zone (Canberra climate: Canberra, Hobart, Ballarat, alpine areas). All of New Zealand is the cold zone on the Zoned Energy Rating Label. Cost = kWh × 33c/kWh in NZD; change the price above to your tariff.
Midea MFXS20WA running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 739 | $244 | $2,439 |
| Mixed zone | 380 | $125 | $1,254 |
| Hot zone | 404 | $133 | $1,333 |
At 33c/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.
Heat pumps that use less electricity
Same configuration and type, cooling capacity within 12% of 2 kW, at least 3% lower annual kWh in the cold zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| TCL TAC-06CHSD/VEIH1.8 kW heating1.8 kW cooling630 kWh/yr | 3.5 | $208 | |
| TCL TAC-06CHSD/VFIH1.8 kW heating1.8 kW cooling630 kWh/yr | 3.5 | $208 | |
| Comfee CASG-XG20/CASN-XG202.2 kW heating2 kW cooling708 kWh/yr | 5.5 | $234 |
Heat pumps similar to the Midea MFXS20WA
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Carrier 38QRG020N8/42QRG020N82.2 kW heating2 kW cooling734 kWh/yr | 5 | $242 | |
| Carrier 38QAG020N8/42QAG020N82.2 kW heating2 kW cooling734 kWh/yr | 5 | $242 | |
| Daikin RXM20AVMZ/FTXM20AVMZ2.8 kW heating2 kW cooling846 kWh/yr | 5 | $279 | |
| Mitsubishi Heavy Industries SRC20ZSXA-W / SRK20ZSXA-W2.7 kW heating2 kW cooling749 kWh/yr | 4.5 | $247 | |
| Mitsubishi Heavy Industries SRC20ZSXA-W/SRK20ZSXA-WF2.7 kW heating2 kW cooling751 kWh/yr | 4.5 | $248 | |
| Kaden KSI062.3 kW heating2 kW cooling718 kWh/yr | 5.5 | $237 | |
| Comfee CASG-XG20/CASN-XG202.2 kW heating2 kW cooling708 kWh/yr | 5.5 | $234 | |
| Daikin RXV20AVMA / FTXV20AVMA2.7 kW heating2 kW cooling789 kWh/yr | 5 | $260 |
Compare MFXS20WA/MFXS20NA with another model
Midea MFXS20WA specifications
- Type
- Reverse cycle
- Configuration
- Split system
- Air distribution
- Non-ducted
- Indoor unit
- Wall hung
- Rated cooling capacity (35 °C)
- 2.00 kW
- Cooling power input
- 0.45 kW
- Rated heating capacity (7 °C)
- 2.20 kW
- Heating power input
- 0.46 kW
- EER, full load (tested)
- 4.70
- COP, full load (tested)
- 4.83
- Rated AEER
- 4.42
- Rated ACOP
- 4.75
- Standby power (PIA)
- 0.9 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 53 dB(A)
- Outdoor sound power
- 54.3 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 MFXS20WA 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 | – | – | 111 | 217 |
| Coldresidential | residential | 5.0 | 2.5 | 80 | 659 |
| Mixedcommercial | commercial | – | – | 171 | 116 |
| Mixedresidential | residential | 5.0 | 3.0 | 127 | 253 |
| Hotcommercial | commercial | – | – | 430 | 25 |
| Hotresidential | residential | 5.5 | 3.5 | 365 | 39 |
Part-load test points (23 values)
- c__t1_min_cap_power_rated
- 165 W
- h__h1_min_cap_power_rated
- 156 W
- h__h2_ext_cap_power_rated
- 940 W
- c__t1_half_cap_power_rated
- 205 W
- c__t1_have_min_cap_results
- Yes
- h__h1_half_cap_power_rated
- 200 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
- 810 W
- h__h2_ext_cap_heat_cap_rated
- 2580 W
- h__h1_half_cap_heat_cap_rated
- 1100 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_min_cap_power_rated
- 110 W
- c__t1_min_cap_cooling_cap_rated
- 741 W
- c__low_temp_half_cap_power_rated
- 144 W
- c__t1_half_cap_cooling_cap_rated
- 944 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_min_cap_cooling_cap_rated
- 885 W
- c__low_temp_half_cap_cooling_cap_rated
- 1140 W
New Zealand E3 registration details
- Registration number
- ZAC0808
- GEMS registration id
- 164947
- 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 8
Source: E3 programme registration data (EECA, New Zealand) (trans-Tasman E3 registration data published by DCCEEW on 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.