New Zealand · costs in NZD

Reverse cycle split system air conditioner, wall hung

Mitsubishi Heavy Industries DXC12ZSA-W/DXK12ZSA-WF Heat Pump

Mitsubishi Heavy Industries DXC12ZSA-W/DXK12ZSA-WF is a 3.5 kW reverse cycle split system heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC7725).

c/kWh
Energy rating (cooling)
3.5
Heating: 2.5
Annual electricity use
1,276 kWh
181 cooling + 1,095 heating
Estimated running cost
$421 / year
$35 / month · $4,211 over 10 years
Capacity
3.5 kW cooling
3.7 kW heating

8% less electricity than the median of 187 comparable 3.5 kW reverse cycle split system registrations (1,395 kWh a year) in the cold zone. Uses less than 84% of them.

Across all 3,611 air conditioner registrations sold in Australia, it uses less than 84% (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 DXC12ZSA-W running cost by climate zone

Climate zonekWh / yearPer year10 years
Cold zone 1,276$421$4,211
Mixed zone 704$232$2,323
Hot zone 878$290$2,897

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

ModelStarsEst. cost / yrCompare
Midea MFCA35VA-W/MFCA35VA-N3.6 kW heating3.5 kW cooling1,144 kWh/yr5.5$378
Daikin RXM35AVMA / FTXM35AVMA3.7 kW heating3.5 kW cooling1,146 kWh/yr5.5$378
Midea MFEP35VA-W/MFEP35VA-N3.6 kW heating3.5 kW cooling1,183 kWh/yr6$390
Daikin RXV35AVMA / FTXV35AVMA3.7 kW heating3.5 kW cooling1,207 kWh/yr5$398
Hitachi RAC-VJ35PHAT/RAK-VJ35PHAT3.8 kW heating3.5 kW cooling1,209 kWh/yr5$399

Heat pumps similar to the Mitsubishi Heavy Industries DXC12ZSA-W

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

ModelStarsEst. cost / yrCompare
Hitachi RAC-VJ35PHAT/RAK-VJ35PHAT3.8 kW heating3.5 kW cooling1,209 kWh/yr5$399
Daikin RXV35AVMA / FTXV35AVMA3.7 kW heating3.5 kW cooling1,207 kWh/yr5$398
Rinnai HONRPX35/HINRPX35M3.8 kW heating3.5 kW cooling1,217 kWh/yr6$402
Midea MFEZ35VA-W/MFEZ35VA-N3.8 kW heating3.5 kW cooling1,217 kWh/yr6$402
Mitsubishi Electric MUZ-AP35VGD2/MSZ-AP35VGD3.7 kW heating3.5 kW cooling1,219 kWh/yr5$402
Daikin RXM35AVMA / FTXM35AVMA3.7 kW heating3.5 kW cooling1,146 kWh/yr5.5$378
Mitsubishi Electric MUZ-AP35VG2/MSZ-AP35VG2 Series3.7 kW heating3.5 kW cooling1,219 kWh/yr5$402
Midea MFEP35VA-W/MFEP35VA-N3.6 kW heating3.5 kW cooling1,183 kWh/yr6$390

Compare DXC12ZSA-W/DXK12ZSA-WF with another model

Mitsubishi Heavy Industries DXC12ZSA-W specifications

Type
Reverse cycle
Configuration
Split system
Air distribution
Non-ducted
Indoor unit
Wall hung
Rated cooling capacity (35 °C)
3.50 kW
Cooling power input
0.82 kW
Rated heating capacity (7 °C)
3.70 kW
Heating power input
0.81 kW
EER, full load (tested)
4.23
COP, full load (tested)
4.77
Rated AEER
4.20
Rated ACOP
4.50
Standby power (PIA)
3.8 W
Compressor
Variable speed, Inverter
Refrigerant
R32
Power supply
Single phase
Indoor sound power
57 dB(A)
Outdoor sound power
62 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 DXC12ZSA-W 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––392357
Coldresidential3.52.51811,095
Mixedcommercial––491192
Mixedresidential3.53.0281423
Hotcommercial––1,08544
Hotresidential4.03.581068
Part-load test points (20 values)
h__h2_ext_cap_power_rated
1235 W
c__t1_half_cap_power_rated
310 W
c__t1_have_min_cap_results
No
h__h1_half_cap_power_rated
320 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
4000 W
h__h1_half_cap_heat_cap_rated
1850 W
h__h2_is_capable_extended_load
Yes
c__low_temp_full_cap_power_rated
749.48 W
c__low_temp_half_cap_power_rated
283.34000000000003 W
c__low_temp_have_min_cap_results
No
c__t1_half_cap_cooling_cap_rated
1750 W
c__low_temp_have_half_cap_results
No
c__low_temp_full_cap_cooling_cap_rated
3769.5 W
c__low_temp_half_cap_cooling_cap_rated
1884.75 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
SRK35/DXK12ZSA-WF1AAC822941,260

Other model numbers on registration AAC7725

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

New Zealand E3 registration details

Registration number
AAC7725
GEMS registration id
156224
Status
approved, available (self-reported)
Registration expires
21 August 2028
Registered for sale in
Australia, Fiji, New Zealand
Family
SRK35/DXK12ZSA-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.