New Zealand · costs in NZD

Reverse cycle split system air conditioner, wall hung

Mitsubishi Heavy Industries SRC20ZTA-WB/SRK20ZTA-WFT Heat Pump

Mitsubishi Heavy Industries SRC20ZTA-WB/SRK20ZTA-WFT 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 AAC10044).

c/kWh
Energy rating (cooling)
5
Heating: 3.5
Annual electricity use
783 kWh
77 cooling + 706 heating
Estimated running cost
$258 / year
$22 / month · $2,584 over 10 years
Capacity
2 kW cooling
2.7 kW heating

5% 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 52% 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).

coolingheatingClick a zone to use it across the page.

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 SRC20ZTA-WB running cost by climate zone

Climate zonekWh / yearPer year10 years
Cold zone 783$258$2,584
Mixed zone 394$130$1,300
Hot zone 384$127$1,267

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.

ModelStarsEst. cost / yrCompare
TCL TAC-06CHSD/VEIH1.8 kW heating1.8 kW cooling630 kWh/yr3.5$208
TCL TAC-06CHSD/VFIH1.8 kW heating1.8 kW cooling630 kWh/yr3.5$208
Comfee CASG-XG20/CASN-XG202.2 kW heating2 kW cooling708 kWh/yr5.5$234
Midea MFAB-20WC/MFAB-20NC2.3 kW heating2 kW cooling718 kWh/yr5.5$237
Midea MFXP20W/MFXP20N2.3 kW heating2 kW cooling718 kWh/yr5.5$237

Heat pumps similar to the Mitsubishi Heavy Industries SRC20ZTA-WB

Technically comparable registrations: same configuration and type, capacity within 12%.

ModelStarsEst. cost / yrCompare
Kaden KSI062.3 kW heating2 kW cooling718 kWh/yr5.5$237
Comfee CASG-XG20/CASN-XG202.2 kW heating2 kW cooling708 kWh/yr5.5$234
Daikin RXV20AVMA / FTXV20AVMA2.7 kW heating2 kW cooling789 kWh/yr5$260
Midea MFAB-20WC/MFAB-20NC2.3 kW heating2 kW cooling718 kWh/yr5.5$237
Carrier 38QHG020N8/42QHG020N8-12.2 kW heating2 kW cooling734 kWh/yr5$242
Midea MFXP20W/MFXP20N2.3 kW heating2 kW cooling718 kWh/yr5.5$237
Carrier 38QRG020N8/42QRG020N82.2 kW heating2 kW cooling734 kWh/yr5$242
Daikin RXM20AVMZ/FTXM20AVMZ2.8 kW heating2 kW cooling846 kWh/yr5$279

Compare SRC20ZTA-WB/SRK20ZTA-WFT with another model

Mitsubishi Heavy Industries SRC20ZTA-WB 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
0.42 kW
Rated heating capacity (7 °C)
2.70 kW
Heating power input
0.53 kW
EER, full load (tested)
4.79
COP, full load (tested)
5.09
Rated AEER
4.69
Rated ACOP
5.03
Standby power (PIA)
1.9 W
Compressor
Variable speed, Inverter
Refrigerant
R32
Power supply
Single phase
Indoor sound power
47 dB(A)
Outdoor sound power
55 dB(A)
Demand response (AS/NZS 4755)
Yes
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 SRC20ZTA-WB zoned energy rating figures

As published for each climate zone. Residential figures drive the star ratings; commercial figures assume a commercial usage pattern.

ZoneCooling starsHeating starsCooling kWhHeating kWh
Coldcommercial––112229
Coldresidential5.03.577706
Mixedcommercial––169122
Mixedresidential5.04.0122272
Hotcommercial––40527
Hotresidential6.04.534242
Part-load test points (18 values)
h__h2_ext_cap_power_rated
1350 W
c__t1_half_cap_power_rated
175 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_half_cap_power_rated
120 W
c__low_temp_have_min_cap_results
No
c__t1_half_cap_cooling_cap_rated
1000 W
c__low_temp_have_half_cap_results
Yes
c__low_temp_half_cap_cooling_cap_rated
1075 W

Other model numbers on registration AAC10044

Registered together and sharing the same test results. Usually variants of the same unit.

New Zealand E3 registration details

Registration number
AAC10044
GEMS registration id
177877
Status
approved, available (self-reported)
Registration expires
7 April 2031
Registered for sale in
Australia, New Zealand
Family
SRC20ZTA-W* / SRK20ZTA-WF*
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.