New Zealand · costs in NZD
Reverse cycle split system air conditioner, wall hung
Tosot TWH12ATCXB-K6DNA1B/O / TWH12ATCXB-K6DNA3B/I Heat Pump
Tosot TWH12ATCXB-K6DNA1B/O / TWH12ATCXB-K6DNA3B/I 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 AAC9638).
- Energy rating (cooling)
- 4
- Heating: 2
- Annual electricity use
- 1,516 kWh
- 165 cooling + 1,351 heating
- Estimated running cost
- $500 / year
- $42 / month · $5,003 over 10 years
- Capacity
- 3.5 kW cooling
- 3.8 kW heating
9% more 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 32% of them.
Across all 3,612 air conditioner registrations sold in Australia, it uses less than 81% (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.
Tosot running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 1,516 | $500 | $5,003 |
| Mixed zone | 756 | $249 | $2,495 |
| Hot zone | 829 | $274 | $2,736 |
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.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Midea MFCA35VA-W/MFCA35VA-N3.6 kW heating3.5 kW cooling1,144 kWh/yr | 5.5 | $378 | |
| Daikin RXM35AVMA / FTXM35AVMA3.7 kW heating3.5 kW cooling1,146 kWh/yr | 5.5 | $378 | |
| Midea MFEP35VA-W/MFEP35VA-N3.6 kW heating3.5 kW cooling1,183 kWh/yr | 6 | $390 | |
| Daikin RXV35AVMA / FTXV35AVMA3.7 kW heating3.5 kW cooling1,207 kWh/yr | 5 | $398 | |
| Hitachi RAC-VJ35PHAT/RAK-VJ35PHAT3.8 kW heating3.5 kW cooling1,209 kWh/yr | 5 | $399 |
Heat pumps similar to the Tosot
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Kinghome KWH35ATBXB-K6DNA2/O / KWH35ATBXB-K6DNA2/I3.8 kW heating3.5 kW cooling1,516 kWh/yr | 4 | $500 | |
| Gree GWH12AGCXD-K6DNA1G/O / GWH12AGCXD-K6DNA1G/I3.7 kW heating3.5 kW cooling1,262 kWh/yr | 5 | $416 | |
| Gree GWH12AWCXD-K5DNA1B/O / GWH12AWCXD-K5DNA1B/I3.7 kW heating3.5 kW cooling1,353 kWh/yr | 4.5 | $446 | |
| Braemar ACHV35D1S/ASHV35D1S3.8 kW heating3.5 kW cooling1,516 kWh/yr | 4 | $500 | |
| Hyundai HYSSSAC35TC3.6 kW heating3.5 kW cooling1,287 kWh/yr | 4.5 | $425 | |
| TCL TAC-13CHSD/VEIH3.6 kW heating3.5 kW cooling1,287 kWh/yr | 4.5 | $425 | |
| Hyundai HYSSSAC35TD3.6 kW heating3.5 kW cooling1,287 kWh/yr | 4.5 | $425 | |
| TCL TAC-13CHSD/XA72IG3.6 kW heating3.5 kW cooling1,290 kWh/yr | 4.5 | $426 |
Compare TWH12ATCXB-K6DNA1B/O / TWH12ATCXB-K6DNA3B/I with another model
Tosot specifications
- Type
- Reverse cycle
- Configuration
- Split system
- Air distribution
- Non-ducted
- Indoor unit
- Wall hung
- Rated cooling capacity (35 °C)
- 3.52 kW
- Cooling power input
- 0.91 kW
- Rated heating capacity (7 °C)
- 3.80 kW
- Heating power input
- 0.97 kW
- EER, full load (tested)
- 3.86
- COP, full load (tested)
- 3.93
- Rated AEER
- 3.84
- Rated ACOP
- 3.89
- Standby power (PIA)
- 2.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 59.7 dB(A)
- Outdoor sound power
- 64.2 dB(A)
- Demand response (AS/NZS 4755)
- Yes
- Country of manufacture
- China
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Tosot 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 | – | – | 247 | 425 |
| Coldresidential | residential | 4.0 | 2.0 | 165 | 1,351 |
| Mixedcommercial | commercial | – | – | 376 | 218 |
| Mixedresidential | residential | 4.0 | 2.5 | 262 | 494 |
| Hotcommercial | commercial | – | – | 903 | 46 |
| Hotresidential | residential | 4.5 | 3.0 | 757 | 72 |
Part-load test points (18 values)
- h__h2_ext_cap_power_rated
- 1345 W
- c__t1_half_cap_power_rated
- 348 W
- c__t1_have_min_cap_results
- No
- h__h1_half_cap_power_rated
- 340 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
- 3515 W
- h__h1_half_cap_heat_cap_rated
- 1750 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_half_cap_power_rated
- 240 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
- Yes
- c__low_temp_half_cap_cooling_cap_rated
- 1700 W
New Zealand E3 registration details
- Registration number
- AAC9638
- GEMS registration id
- 175178
- Status
- approved, available (self-reported)
- Registration expires
- 7 December 2030
- Registered for sale in
- Australia, Fiji, New Zealand
- Family
- –
- 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 19 September 2026; last checked 20 September 2026. How the derived figures are calculated.