c/kWh
Energy rating (cooling)
2.5
Heating: 2
Annual electricity use
11,292 kWh
4,346 cooling + 6,946 heating
Estimated running cost
$3,613 / year
$301 / month Β· $36,134 over 10 years
Capacity
45 kW cooling
50 kW heating

18% less electricity than the median of 42 comparable 50 kW reverse cycle multi-split / vrf registrations (13,803 kWh a year) in the mixed zone. Uses less than 71% of them.

Across all 3,680 air conditioner registrations sold in Australia, it uses less than 7% (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 mixed zone (Richmond NSW climate: Sydney, Melbourne, Adelaide, Perth). Mixed climate zone shown by default (Sydney, Melbourne, Adelaide, Perth); switch to cold or hot. Cost = kWh Γ— 32c/kWh in AUD; change the price above to your tariff.

Mitsubishi Heavy Industries FDC450KXZE2 running cost by climate zone

Climate zonekWh / yearPer year10 years
Cold zone 22,859$7,315$73,149
Mixed zone 11,292$3,613$36,134
Hot zone 13,530$4,330$43,296

At 32c/kWh. Formula: cost = annual kWh Γ— price. The kWh figure is the label’s residential estimate for that zone; commercial-profile figures are in the specifications.

Air conditioners that use less electricity

Same configuration and type, cooling capacity within 12% of 45 kW, at least 3% lower annual kWh in the mixed zone.

ModelStarsEst. cost / yrCompare
Toshiba MMY-MUP14S1HT8P-A40 kW heating40 kW cooling3,918 kWh/yr2.5$1,254
Panasonic U-16MF3R750 kW heating45 kW cooling4,064 kWh/yr2.5$1,300
Toshiba MMY-MUP16S1HT8P-A50 kW heating45 kW cooling4,443 kWh/yr2.5$1,422
Mitsubishi Electric PUHY-M350YXM-A-BS40 kW heating40 kW cooling5,003 kWh/yr1.5$1,601
Mitsubishi Electric PUHY-M350YXM-A40 kW heating40 kW cooling5,003 kWh/yr1.5$1,601

Air conditioners similar to the Mitsubishi Heavy Industries FDC450KXZE2

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

ModelStarsEst. cost / yrCompare
Hitachi RAS-160RNCBLW47.5 kW heating45 kW cooling11,647 kWh/yr2$3,727
Daikin REYA16AYM50 kW heating45 kW cooling11,471 kWh/yr3$3,671
Hitachi RAS-160RNCCLW50 kW heating45 kW cooling11,174 kWh/yr2.5$3,576
Toshiba MMY-MUP16S1HT8P-A50 kW heating45 kW cooling4,443 kWh/yr2.5$1,422
Mitsubishi Electric PUHY-M400YXM-A45 kW heating45 kW cooling5,655 kWh/yr1.5$1,810
Daikin REYQ16TAY150 kW heating45 kW cooling14,331 kWh/yr2$4,586
Panasonic U-16MF3R750 kW heating45 kW cooling4,064 kWh/yr2.5$1,300
Mitsubishi Electric PUHY-M400YXM-A-BS45 kW heating45 kW cooling5,655 kWh/yr1.5$1,810

Compare FDC450KXZE2 with another model

Mitsubishi Heavy Industries FDC450KXZE2 specifications

Type
Reverse cycle
Configuration
Multi-split / VRF
Air distribution
Ducted or non-ducted
Indoor unit
–
Rated cooling capacity (35 Β°C)
45.00 kW
Cooling power input
14.46 kW
Rated heating capacity (7 Β°C)
50.00 kW
Heating power input
12.98 kW
EER, full load (tested)
3.01
COP, full load (tested)
3.59
Rated AEER
3.07
Rated ACOP
3.80
Standby power (PIA)
54.7 W
Compressor
Variable speed, Inverter
Refrigerant
R410A
Power supply
Three phase
Indoor sound power
–
Outdoor sound power
–
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 FDC450KXZE2 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––5,7556,241
Coldresidential2.51.52,73120,128
Mixedcommercial––7,3382,979
Mixedresidential2.52.04,3466,946
Hotcommercial––16,568649
Hotresidential3.03.012,531999
Part-load test points (16 values)
h__h2_ext_cap_power_rated
16300 W
c__t1_half_cap_power_rated
4400 W
c__t1_have_min_cap_results
No
h__h1_half_cap_power_rated
4570 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
38000 W
h__h1_half_cap_heat_cap_rated
24200 W
h__h2_is_capable_extended_load
Yes
c__low_temp_have_min_cap_results
No
c__t1_half_cap_cooling_cap_rated
22500 W
c__low_temp_have_half_cap_results
No

Australian GEMS registration details

Registration number
AAC10472
GEMS registration id
182049
Status
approved, available (self-reported)
Registration expires
10 November 2031
Registered for sale in
Australia, Fiji, New Zealand
Family
–
Regulatory standard
[SEER Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
Test standard
AS/NZS 3823.1.4:2012
MEPS
2019
Product class
Class 21

Source: Australian Government Energy Rating (GEMS) registration data, DCCEEW via data.gov.au (CC BY 3.0 AU). Dataset published 26 September 2026; last checked 27 September 2026. Manufacturer: mhiaa.com.au. How the derived figures are calculated.