New Zealand · costs in NZD
Reverse cycle window / wall air conditioner
Westinghouse WWH22HWA Heat Pump
Westinghouse WWH22HWA is a 2.2 kW reverse cycle window / wall heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC8423).
- Energy rating (cooling)
- 2
- Heating: 0.5
- Annual electricity use
- 1,205 kWh
- 174 cooling + 1,031 heating
- Estimated running cost
- $398 / year
- $33 / month · $3,977 over 10 years
- Capacity
- 2.2 kW cooling
- 1.9 kW heating
Only 4 comparable registrations in this cohort, so no percentile is shown.
Across all 3,611 air conditioner registrations sold in Australia, it uses less than 86% (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.
Westinghouse WWH22HWA running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 1,205 | $398 | $3,977 |
| Mixed zone | 665 | $219 | $2,195 |
| Hot zone | 840 | $277 | $2,772 |
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 similar to the Westinghouse WWH22HWA
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Gree GJH07AK-K6NRNB3C1.9 kW heating2.2 kW cooling1,205 kWh/yr | 2 | $398 | |
| TECO TWW22HFAT2 kW heating2.2 kW cooling1,250 kWh/yr | 1.5 | $413 | |
| TECO TWW22HFWDG1.9 kW heating2.2 kW cooling1,205 kWh/yr | 2 | $398 | |
| Gree GJH07AK-K6NRNR1A1.9 kW heating2.2 kW cooling1,205 kWh/yr | 2 | $398 | |
| Midea MWFF22H2 kW heating2.3 kW cooling1,311 kWh/yr | 1.5 | $433 |
Other Westinghouse models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Westinghouse WWH22HWC2 kW heating2.3 kW cooling1,311 kWh/yr | 1.5 | $433 |
Compare WWH22HWA with another model
Westinghouse WWH22HWA specifications
- Type
- Reverse cycle
- Configuration
- Window / wall
- Air distribution
- Non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 2.20 kW
- Cooling power input
- 0.66 kW
- Rated heating capacity (7 °C)
- 1.90 kW
- Heating power input
- 0.57 kW
- EER, full load (tested)
- 3.35
- COP, full load (tested)
- 3.46
- Rated AEER
- 3.32
- Rated ACOP
- 3.32
- Standby power (PIA)
- 0.8 W
- Compressor
- Fixed speed
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 58.9 dB(A)
- Outdoor sound power
- 64 dB(A)
- Demand response (AS/NZS 4755)
- No
- Dimensions (W×H×D)
- 560 × 375 × 668 mm
- Country of manufacture
- China
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Westinghouse WWH22HWA 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 | – | – | 388 | 332 |
| Coldresidential | residential | 2.0 | 0.5 | 174 | 1,031 |
| Mixedcommercial | commercial | – | – | 485 | 176 |
| Mixedresidential | residential | 1.5 | 1.0 | 264 | 401 |
| Hotcommercial | commercial | – | – | 1,062 | 37 |
| Hotresidential | residential | 2.0 | 1.0 | 781 | 59 |
Part-load test points (6 values)
- h__h2_full_cap_power_rated
- 510 W
- h__h3_have_full_cap_results
- No
- h__h2_full_cap_heat_cap_rated
- 1310 W
- c__low_temp_full_cap_power_rated
- 605 W
- c__low_temp_have_full_cap_results
- Yes
- c__low_temp_full_cap_cooling_cap_rated
- 2530 W
Related Westinghouse model numbers starting with WH22
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.
| Model | Registration | Stars | kWh / yr | Registration expires |
|---|---|---|---|---|
| WH22 | AAC8421 | 2 | 172 | 28 August 2029 |
Other model numbers on registration AAC8423
Registered together and sharing the same test results. Usually variants of the same unit.
New Zealand E3 registration details
- Registration number
- AAC8423
- GEMS registration id
- 164171
- Status
- approved, available (self-reported)
- Registration expires
- 29 August 2029
- Registered for sale in
- Australia, New Zealand
- Family
- WH22
- 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 5
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. How the derived figures are calculated.