New Zealand · costs in NZD
Reverse cycle split system air conditioner
Rinnai DONSR18B1/DINLR18B1 Heat Pump
Rinnai DONSR18B1/DINLR18B1 is a 17 kW reverse cycle ducted split system heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC8145).
A newer registration of this model exists: AAC8199.
- Energy rating (cooling)
- 4
- Heating: 2
- Annual electricity use
- 7,316 kWh
- 831 cooling + 6,485 heating
- Estimated running cost
- $2,414 / year
- $201 / month · $24,143 over 10 years
- Capacity
- 17 kW cooling
- 18 kW heating
13% less electricity than the median of 51 comparable 18 kW reverse cycle ducted split system registrations (8,396 kWh a year) in the cold zone. Uses less than 78% of them.
Across all 3,611 air conditioner registrations sold in Australia, it uses less than 23% (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.
Rinnai DONSR18B1 running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 7,316 | $2,414 | $24,143 |
| Mixed zone | 3,661 | $1,208 | $12,081 |
| Hot zone | 3,950 | $1,304 | $13,035 |
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 17 kW, at least 3% lower annual kWh in the cold zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Daikin RZA160CV1 / FDYAN160AV118 kW heating15.5 kW cooling4,493 kWh/yr | 2 | $1,483 | |
| Carrier 38QSH170D8S / 42QSH170D8S17 kW heating17 kW cooling6,907 kWh/yr | 3.5 | $2,279 | |
| Midea DUCMI170IHB/UCMI170OB17.5 kW heating17 kW cooling7,066 kWh/yr | 4 | $2,332 | |
| Midea DUCMI170IHB/UCMI170OB17.5 kW heating17 kW cooling7,066 kWh/yr | 4 | $2,332 |
Heat pumps similar to the Rinnai DONSR18B1
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Midea DUCMI170IHB/UCMI170OB17.5 kW heating17 kW cooling7,066 kWh/yr | 4 | $2,332 | |
| Carrier 38QSV170N8/42QSV170N8S18 kW heating17 kW cooling7,212 kWh/yr | 3.5 | $2,380 | |
| Kaden KDI60 / KDI6018 kW heating17 kW cooling7,317 kWh/yr | 4 | $2,415 | |
| Carrier 38QSH170D8S / 42QSH170D8S17 kW heating17 kW cooling6,907 kWh/yr | 3.5 | $2,279 | |
| Kaden KDI-17.018 kW heating17 kW cooling7,212 kWh/yr | 3.5 | $2,380 | |
| Midea DUCMI170IHB/UCMI170OB17.5 kW heating17 kW cooling7,066 kWh/yr | 4 | $2,332 | |
| Actron Air LRC-170DS / LRE-170DS18 kW heating17 kW cooling7,212 kWh/yr | 3.5 | $2,380 | |
| Actron Air CRV17BT / EVV17BS17.2 kW heating17 kW cooling7,384 kWh/yr | 3 | $2,437 |
Compare DONSR18B1/DINLR18B1 with another model
Rinnai DONSR18B1 specifications
- Type
- Reverse cycle
- Configuration
- Split system
- Air distribution
- Ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 17.00 kW
- Cooling power input
- 5.25 kW
- Rated heating capacity (7 °C)
- 18.00 kW
- Heating power input
- 4.55 kW
- EER, full load (tested)
- 3.30
- COP, full load (tested)
- 3.92
- Rated AEER
- 3.21
- Rated ACOP
- 3.92
- Standby power (PIA)
- 13.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 70.9 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.
Rinnai DONSR18B1 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 | – | – | 432 | 1,969 |
| Coldresidential | residential | 4.0 | 2.0 | 831 | 6,485 |
| Mixedcommercial | commercial | – | – | 1,144 | 987 |
| Mixedresidential | residential | 3.5 | 2.5 | 1,344 | 2,317 |
| Hotcommercial | commercial | – | – | 2,648 | 210 |
| Hotresidential | residential | 4.5 | 3.5 | 3,620 | 330 |
Part-load test points (25 values)
- c__t1_min_cap_power_rated
- 1100 W
- h__h1_min_cap_power_rated
- 780 W
- h__h2_ext_cap_power_rated
- 4950 W
- c__t1_half_cap_power_rated
- 2720 W
- c__t1_have_min_cap_results
- Yes
- h__h1_half_cap_power_rated
- 1720 W
- h__h1_have_min_cap_results
- Yes
- 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__h1_min_cap_heat_cap_rated
- 4130 W
- h__h2_ext_cap_heat_cap_rated
- 14510 W
- h__h1_half_cap_heat_cap_rated
- 8670 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_min_cap_power_rated
- 645 W
- c__t1_min_cap_cooling_cap_rated
- 4490 W
- c__low_temp_full_cap_power_rated
- 4798.5 W
- c__low_temp_half_cap_power_rated
- 1355 W
- c__t1_half_cap_cooling_cap_rated
- 8030 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_min_cap_cooling_cap_rated
- 4050 W
- c__low_temp_full_cap_cooling_cap_rated
- 18309 W
- c__low_temp_half_cap_cooling_cap_rated
- 8250 W
Related Rinnai model numbers starting with DONSR18B1DINLR18B1
2 model numbers on 2 other registrations. 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 |
|---|---|---|---|---|
| DONSR18B1/DINLR18B1 | AAC6720 | 4 | 7,317 | 24 May 2027 |
| DONSR18B1/DINLR18B1 | AAC8199 | 3.5 | 7,403 | 1 May 2029 |
New Zealand E3 registration details
- Registration number
- AAC8145
- GEMS registration id
- 160318
- Status
- approved, available (self-reported)
- Registration expires
- 26 March 2029
- 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 3823.1.2:2012
- MEPS
- 2019
- Product class
- Class 11
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: rinnai.com.au. How the derived figures are calculated.