New Zealand · costs in NZD
Reverse cycle fixed air conditioner
Midea MULMI0373B/MFAG20N Heat Pump
Midea MULMI0373B/MFAG20N is a 7.3 kW reverse cycle fixed heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration ZAC0770).
- Energy rating (cooling)
- 3.5
- Heating: 2.5
- Annual electricity use
- 2,736 kWh
- 349 cooling + 2,387 heating
- Estimated running cost
- $903 / year
- $75 / month · $9,029 over 10 years
- Capacity
- 7.3 kW cooling
- 7.3 kW heating
4% less electricity than the median of 17 comparable 7 kW reverse cycle fixed registrations (2,850 kWh a year) in the cold zone. Uses less than 65% of them.
Across all 3,611 air conditioner registrations sold in Australia, it uses less than 66% (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 MULMI0373B running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 2,736 | $903 | $9,029 |
| Mixed zone | 1,481 | $489 | $4,887 |
| Hot zone | 1,666 | $550 | $5,498 |
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 7.3 kW, at least 3% lower annual kWh in the cold zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Actron Air MRC-075CS-37.6 kW heating7.5 kW cooling2,624 kWh/yr | 4 | $866 | |
| Midea MULMI0371B7.5 kW heating7.1 kW cooling2,636 kWh/yr | 3.5 | $870 |
Heat pumps similar to the Midea MULMI0373B
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Kaden KM7.37.5 kW heating7.3 kW cooling2,753 kWh/yr | 3.5 | $908 | |
| Kaden KM247.3 kW heating7.3 kW cooling2,736 kWh/yr | 3.5 | $903 | |
| TECO TSOM73HVAG38.3 kW heating7.3 kW cooling3,237 kWh/yr | 3 | $1,068 | |
| Carrier 38QUM071D8S37.4 kW heating7.2 kW cooling2,692 kWh/yr | 3.5 | $888 | |
| Panasonic CU-4Z71DBR8.5 kW heating7.1 kW cooling3,170 kWh/yr | 4.5 | $1,046 | |
| Mitsubishi Electric MXZ-4F71VGD8 kW heating7.1 kW cooling2,826 kWh/yr | 3.5 | $933 | |
| Actron Air MRC-075CS-37.6 kW heating7.5 kW cooling2,624 kWh/yr | 4 | $866 | |
| Actron Air MRC-075DS-37.4 kW heating7.5 kW cooling2,654 kWh/yr | 4 | $876 |
Compare MULMI0373B/MFAG20N with another model
Midea MULMI0373B specifications
- Type
- Reverse cycle
- Configuration
- Fixed
- Air distribution
- Non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 7.30 kW
- Cooling power input
- 2.00 kW
- Rated heating capacity (7 °C)
- 7.30 kW
- Heating power input
- 1.72 kW
- EER, full load (tested)
- 3.66
- COP, full load (tested)
- 4.24
- Rated AEER
- 3.58
- Rated ACOP
- 4.15
- Standby power (PIA)
- 12.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 65 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 MULMI0373B 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 | – | – | 286 | 772 |
| Coldresidential | residential | 3.5 | 2.5 | 349 | 2,387 |
| Mixedcommercial | commercial | – | – | 604 | 418 |
| Mixedresidential | residential | 3.5 | 2.5 | 550 | 931 |
| Hotcommercial | commercial | – | – | 1,591 | 102 |
| Hotresidential | residential | 4.5 | 3.0 | 1,511 | 155 |
Part-load test points (23 values)
- c__t1_min_cap_power_rated
- 665 W
- h__h1_min_cap_power_rated
- 395 W
- h__h2_ext_cap_power_rated
- 2790 W
- c__t1_half_cap_power_rated
- 815 W
- c__t1_have_min_cap_results
- Yes
- h__h1_half_cap_power_rated
- 690 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
- 2000 W
- h__h2_ext_cap_heat_cap_rated
- 8000 W
- h__h1_half_cap_heat_cap_rated
- 3420 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_min_cap_power_rated
- 380 W
- c__t1_min_cap_cooling_cap_rated
- 3000 W
- c__low_temp_half_cap_power_rated
- 500 W
- c__t1_half_cap_cooling_cap_rated
- 3600 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_min_cap_cooling_cap_rated
- 2870 W
- c__low_temp_half_cap_cooling_cap_rated
- 3575 W
New Zealand E3 registration details
- Registration number
- ZAC0770
- GEMS registration id
- 145487
- Status
- approved, available (self-reported)
- Registration expires
- n/a (NZ registration)
- Registered for sale in
- New Zealand
- Family
- –
- Regulatory standard
- [SEER Multi-Split <=65kW] (Air Conditioners up to 65kW) EE Regulations 2020 Schedule 2A
- Test standard
- AS/NZS 3823.1.4:2012
- MEPS
- 2019
- Product class
- Class 19
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 19 September 2026; last checked 20 September 2026. How the derived figures are calculated.