New Zealand · costs in NZD

Reverse cycle split system air conditioner, wall hung

Mitsubishi Heavy Industries SRK25/DXK09ZSA-WF Heat Pump

Mitsubishi Heavy Industries SRK25/DXK09ZSA-WF is a 2.5 kW reverse cycle split system heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC7742).

c/kWh
Energy rating (cooling)
3.5
Heating: 3
Annual electricity use
1,030 kWh
120 cooling + 910 heating
Estimated running cost
$340 / year
$28 / month · $3,399 over 10 years
Capacity
2.5 kW cooling
3.2 kW heating

4% less electricity than the median of 177 comparable 2.5 kW reverse cycle split system registrations (1,073 kWh a year) in the cold zone. Uses less than 57% of them.

Across all 3,611 air conditioner registrations sold in Australia, it uses less than 88% (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 SRK25 running cost by climate zone

Climate zonekWh / yearPer year10 years
Cold zone 1,030$340$3,399
Mixed zone 545$180$1,799
Hot zone 579$191$1,911

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 2.5 kW, at least 3% lower annual kWh in the cold zone.

ModelStarsEst. cost / yrCompare
Hitachi RAC-VJ25NHAE/RAI-VJ25RHAE3.5 kW heating2.5 kW cooling653 kWh/yr4$215
Daikin RXM20AVMA / FTXM20AVMA2.7 kW heating2.2 kW cooling725 kWh/yr6$239
Midea MFEP26VA-W/MFEP26VA-N2.7 kW heating2.6 kW cooling776 kWh/yr6.5$256
Actron Air WRC-026DS / WRE-026DS2.7 kW heating2.6 kW cooling790 kWh/yr7$261
Midea MFEP26VB-W/MFEP26VB-N2.7 kW heating2.6 kW cooling790 kWh/yr7$261

Heat pumps similar to the Mitsubishi Heavy Industries SRK25

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

ModelStarsEst. cost / yrCompare
Midea MFAG26VB-W/MFAG26VB-N2.8 kW heating2.5 kW cooling897 kWh/yr5$296
Pioneer International HPR-09A22.6 kW heating2.5 kW cooling845 kWh/yr4$279
Carrier 38QRF026N8/42QRF026N82.8 kW heating2.5 kW cooling897 kWh/yr5$296
Rinnai HONRTX25/HINRTX252.8 kW heating2.5 kW cooling897 kWh/yr5$296
Daikin RXM25AVMA / FTXM25AVMA3.2 kW heating2.5 kW cooling888 kWh/yr6$293
Kaden KSI-2.52.8 kW heating2.5 kW cooling897 kWh/yr5$296
Rinnai HSNRTX252.8 kW heating2.5 kW cooling897 kWh/yr5$296
Carrier 38QAF026N8/42QAF026N82.8 kW heating2.5 kW cooling897 kWh/yr5$296

Compare SRK25/DXK09ZSA-WF with another model

Mitsubishi Heavy Industries SRK25 specifications

Type
Reverse cycle
Configuration
Split system
Air distribution
Non-ducted
Indoor unit
Wall hung
Rated cooling capacity (35 °C)
2.50 kW
Cooling power input
0.51 kW
Rated heating capacity (7 °C)
3.20 kW
Heating power input
0.65 kW
EER, full load (tested)
4.82
COP, full load (tested)
5.09
Rated AEER
4.78
Rated ACOP
4.83
Standby power (PIA)
3.8 W
Compressor
Variable speed, Inverter
Refrigerant
R32
Power supply
Single phase
Indoor sound power
53 dB(A)
Outdoor sound power
58 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 SRK25 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––248303
Coldresidential3.53.0120910
Mixedcommercial––313166
Mixedresidential3.53.0184361
Hotcommercial––68840
Hotresidential4.53.551960
Part-load test points (19 values)
h__h2_ext_cap_power_rated
1230 W
c__t1_half_cap_power_rated
210 W
c__t1_have_min_cap_results
No
h__h1_half_cap_power_rated
280 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_half_cap_results
No
h__h2_ext_cap_heat_cap_rated
3950 W
h__h1_half_cap_heat_cap_rated
1600 W
h__h2_is_capable_extended_load
Yes
c__low_temp_full_cap_power_rated
466.14000000000004 W
c__low_temp_half_cap_power_rated
185 W
c__low_temp_have_min_cap_results
No
c__t1_half_cap_cooling_cap_rated
1250 W
c__low_temp_have_half_cap_results
Yes
c__low_temp_full_cap_cooling_cap_rated
2692.5 W
c__low_temp_half_cap_cooling_cap_rated
1345 W

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.

ModelRegistrationStarskWh / yr
SRK25/DXK09ZSA-WF1AAC823741,025

Other model numbers on registration AAC7742

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

New Zealand E3 registration details

Registration number
AAC7742
GEMS registration id
156204
Status
approved, available (self-reported)
Registration expires
27 August 2028
Registered for sale in
Australia, Fiji, New Zealand
Family
SRK25/DXK09ZSA-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.