New Zealand · costs in NZD
Reverse cycle split system air conditioner, wall hung
Mitsubishi Heavy Industries SRC20ZSXA-W / SRK20ZSXA-W Heat Pump
Mitsubishi Heavy Industries SRC20ZSXA-W / SRK20ZSXA-W 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 AAC8729).
- Energy rating (cooling)
- 4.5
- Heating: 3.5
- Annual electricity use
- 749 kWh
- 84 cooling + 665 heating
- Estimated running cost
- $247 / year
- $21 / month · $2,472 over 10 years
- Capacity
- 2 kW cooling
- 2.7 kW heating
10% 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 73% 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.
Mitsubishi Heavy Industries SRC20ZSXA-W running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 749 | $247 | $2,472 |
| Mixed zone | 390 | $129 | $1,287 |
| Hot zone | 398 | $131 | $1,313 |
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/VFIH1.8 kW heating1.8 kW cooling630 kWh/yr | 3.5 | $208 | |
| TCL TAC-06CHSD/VEIH1.8 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 | |
| Midea MFXP20W/MFXP20N2.3 kW heating2 kW cooling718 kWh/yr | 5.5 | $237 | |
| Kaden KSI062.3 kW heating2 kW cooling718 kWh/yr | 5.5 | $237 |
Heat pumps similar to the Mitsubishi Heavy Industries SRC20ZSXA-W
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Carrier 38QHG020N8/42QHG020N8-12.2 kW heating2 kW cooling734 kWh/yr | 5 | $242 | |
| Daikin RXV20AVMA / FTXV20AVMA2.7 kW heating2 kW cooling789 kWh/yr | 5 | $260 | |
| Midea MFXP20W/MFXP20N2.3 kW heating2 kW cooling718 kWh/yr | 5.5 | $237 | |
| Carrier 38QAG020N8/42QAG020N82.2 kW heating2 kW cooling734 kWh/yr | 5 | $242 | |
| Daikin RXM20AVMZ/FTXM20AVMZ2.8 kW heating2 kW cooling846 kWh/yr | 5 | $279 | |
| Comfee CASG-XG20/CASN-XG202.2 kW heating2 kW cooling708 kWh/yr | 5.5 | $234 | |
| Kaden KSI062.3 kW heating2 kW cooling718 kWh/yr | 5.5 | $237 | |
| Midea MFAB-20WC/MFAB-20NC2.3 kW heating2 kW cooling718 kWh/yr | 5.5 | $237 |
Compare SRC20ZSXA-W / SRK20ZSXA-W with another model
Mitsubishi Heavy Industries SRC20ZSXA-W 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
- 0.31 kW
- Rated heating capacity (7 °C)
- 2.70 kW
- Heating power input
- 0.47 kW
- EER, full load (tested)
- 6.44
- COP, full load (tested)
- 5.97
- Rated AEER
- 6.25
- Rated ACOP
- 5.63
- Standby power (PIA)
- 2.9 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 53 dB(A)
- Outdoor sound power
- 56 dB(A)
- Demand response (AS/NZS 4755)
- Yes (mode 1 on off, mode 2 50 percent, mode 3 75 percent)
- Country of manufacture
- Thailand
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Mitsubishi Heavy Industries SRC20ZSXA-W 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 | – | – | 181 | 222 |
| Coldresidential | residential | 4.5 | 3.5 | 84 | 665 |
| Mixedcommercial | commercial | – | – | 223 | 122 |
| Mixedresidential | residential | 4.5 | 4.0 | 126 | 264 |
| Hotcommercial | commercial | – | – | 476 | 29 |
| Hotresidential | residential | 5.5 | 4.5 | 353 | 45 |
Part-load test points (16 values)
- h__h2_ext_cap_power_rated
- 1160 W
- c__t1_half_cap_power_rated
- 145 W
- c__t1_have_min_cap_results
- No
- h__h1_half_cap_power_rated
- 205 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
- 3700 W
- h__h1_half_cap_heat_cap_rated
- 1350 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_have_min_cap_results
- No
- c__t1_half_cap_cooling_cap_rated
- 1000 W
- c__low_temp_have_half_cap_results
- No
Related Mitsubishi Heavy Industries model numbers starting with SRC20ZSXAWSRK20ZSXAW
1 model numbers on 1 other registration. Variants registered separately can carry different star ratings and energy figures; check the registration number on the label.
| Model | Registration | Stars | kWh / yr | Registration expires |
|---|---|---|---|---|
| SRC20ZSXA-W/SRK20ZSXA-WF | AAC7747 | 4.5 | 751 | 28 August 2028 |
New Zealand E3 registration details
- Registration number
- AAC8729
- GEMS registration id
- 166574
- Status
- approved, available (self-reported)
- Registration expires
- 31 March 2030
- Registered for sale in
- Australia, Fiji, New Zealand
- Family
- –
- Regulatory standard
- [SEER Non Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
- 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: mhiaa.com.au. How the derived figures are calculated.