New Zealand · costs in NZD
Reverse cycle multi-split / vrf air conditioner
Mitsubishi Electric PUHY-EP450YNW-A1-BS Heat Pump
Mitsubishi Electric PUHY-EP450YNW-A1-BS is a 50 kW reverse cycle multi-split / vrf heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC9257).
- Energy rating (cooling)
- 2.5
- Heating: 0
- Annual electricity use
- 49,499 kWh
- 3,213 cooling + 46,286 heating
- Estimated running cost
- $16,335 / year
- $1,361 / month · $163,347 over 10 years
- Capacity
- 50 kW cooling
- 56 kW heating
78% more electricity than the median of 42 comparable 50 kW reverse cycle multi-split / vrf registrations (27,808 kWh a year) in the cold zone. Uses less than 14% of them.
Across all 3,611 air conditioner registrations sold in Australia, it uses less than 1% (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 Electric PUHY-EP450YNW-A1-BS running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 49,499 | $16,335 | $163,347 |
| Mixed zone | 22,949 | $7,573 | $75,732 |
| Hot zone | 15,920 | $5,254 | $52,536 |
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 50 kW, at least 3% lower annual kWh in the cold zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Panasonic U-16MF3R750 kW heating45 kW cooling2,591 kWh/yr | 3 | $855 | |
| Toshiba MMY-MUP16S1HT8P-A50 kW heating45 kW cooling2,819 kWh/yr | 2.5 | $930 | |
| Toshiba MMY-MUP20S1HT8P-A63 kW heating56 kW cooling3,416 kWh/yr | 2.5 | $1,127 | |
| Mitsubishi Electric PUHY-M400YXM series45 kW heating45 kW cooling3,770 kWh/yr | 1.5 | $1,244 | |
| Mitsubishi Electric PUHY-M400YXM-A45 kW heating45 kW cooling3,770 kWh/yr | 1.5 | $1,244 |
Heat pumps similar to the Mitsubishi Electric PUHY-EP450YNW-A1-BS
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Daikin REYQ18TAY156 kW heating50 kW cooling36,561 kWh/yr | 2 | $12,065 | |
| Daikin REYA18AYM56 kW heating50 kW cooling27,473 kWh/yr | 2.5 | $9,066 | |
| Mitsubishi Heavy Industries FDC500KXZRE250 kW heating50 kW cooling28,880 kWh/yr | 2 | $9,530 | |
| Mitsubishi Heavy Industries FDC500KXZE256 kW heating50 kW cooling28,303 kWh/yr | 2.5 | $9,340 | |
| Hitachi RAS-180RNCBLW56 kW heating50.4 kW cooling23,594 kWh/yr | 2 | $7,786 | |
| Toshiba MMY-MUP18S1HT8P-A54 kW heating50.4 kW cooling3,445 kWh/yr | 2 | $1,137 | |
| Hitachi RAS-180RNCCLW56 kW heating50.4 kW cooling23,766 kWh/yr | 2.5 | $7,843 | |
| Toshiba MMY-MUP1801FT8P-A50.4 kW heating50.4 kW cooling29,800 kWh/yr | 3 | $9,834 |
Compare PUHY-EP450YNW-A1-BS with another model
Mitsubishi Electric PUHY-EP450YNW-A1-BS specifications
- Type
- Reverse cycle
- Configuration
- Multi-split / VRF
- Air distribution
- Ducted or non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 50.00 kW
- Cooling power input
- 14.33 kW
- Rated heating capacity (7 °C)
- 56.00 kW
- Heating power input
- 14.22 kW
- EER, full load (tested)
- 3.49
- COP, full load (tested)
- 4.07
- Rated AEER
- 3.42
- Rated ACOP
- 3.86
- Standby power (PIA)
- 81.5 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R410A
- Power supply
- Three phase
- Indoor sound power
- –
- Outdoor sound power
- –
- Demand response (AS/NZS 4755)
- No
- 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 Electric PUHY-EP450YNW-A1-BS 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 | – | – | 6,390 | 11,542 |
| Coldresidential | residential | 2.5 | 0.0 | 3,213 | 46,286 |
| Mixedcommercial | commercial | – | – | 8,254 | 5,617 |
| Mixedresidential | residential | 2.5 | 0.0 | 4,950 | 17,999 |
| Hotcommercial | commercial | – | – | 18,523 | 960 |
| Hotresidential | residential | 3.0 | 1.0 | 14,135 | 1,785 |
Part-load test points (18 values)
- h__h2_ext_cap_power_rated
- 10380 W
- c__t1_half_cap_power_rated
- 5700 W
- c__t1_have_min_cap_results
- No
- h__h1_half_cap_power_rated
- 5930 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
- 21600 W
- h__h1_half_cap_heat_cap_rated
- 28000 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_half_cap_power_rated
- 4670 W
- c__low_temp_have_min_cap_results
- No
- c__t1_half_cap_cooling_cap_rated
- 25000 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_half_cap_cooling_cap_rated
- 25000 W
Other model numbers on registration AAC9257
Registered together and sharing the same test results. Usually variants of the same unit.
New Zealand E3 registration details
- Registration number
- AAC9257
- GEMS registration id
- 171964
- Status
- approved, available (self-reported)
- Registration expires
- 20 August 2030
- Registered for sale in
- Australia, New Zealand
- Family
- PUHY-EP450YNW-A1 Series
- 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: 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: MitsubishiElectric.com.au. How the derived figures are calculated.