Australia · costs in AUD
Reverse cycle split system air conditioner
Rinnai DONSR18B1/DINLR18B1 Air Conditioner
Rinnai DONSR18B1/DINLR18B1 is a 17 kW reverse cycle ducted split system air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC8145).
A newer registration of this model exists: AAC8199.
- Energy rating (cooling)
- 3.5
- Heating: 2.5
- Annual electricity use
- 3,661 kWh
- 1,344 cooling + 2,317 heating
- Estimated running cost
- $1,172 / year
- $98 / month · $11,715 over 10 years
- Capacity
- 17 kW cooling
- 18 kW heating
16% less electricity than the median of 53 comparable 18 kW reverse cycle ducted split system registrations (4,376 kWh a year) in the mixed zone. Uses less than 89% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 27% (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 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 × 32c/kWh in AUD; 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 | $2,341 | $23,411 |
| Mixed zone | 3,661 | $1,172 | $11,715 |
| Hot zone | 3,950 | $1,264 | $12,640 |
At 32c/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.
Air conditioners that use less electricity
Same configuration and type, cooling capacity within 12% of 17 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| AirSmart IES-700-AC15.8 kW heating17 kW cooling3,358 kWh/yr | 3.5 | $1,075 | |
| AirSmart IES-70015.8 kW heating17 kW cooling3,358 kWh/yr | 3.5 | $1,075 |
Air conditioners 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 cooling3,585 kWh/yr | 3.5 | $1,147 | |
| Actron Air LRC-170DS / LRE-170DS18 kW heating17 kW cooling3,676 kWh/yr | 3.5 | $1,176 | |
| Carrier 38QSV170N8/42QSV170N8S18 kW heating17 kW cooling3,676 kWh/yr | 3.5 | $1,176 | |
| Kaden KDI60 / KDI6018 kW heating17 kW cooling3,663 kWh/yr | 3.5 | $1,172 | |
| AirSmart IES-***15.8 kW heating17 kW cooling3,358 kWh/yr | 3.5 | $1,075 | |
| Carrier 38QSH170D8S / 42QSH170D8S17 kW heating17 kW cooling3,597 kWh/yr | 3 | $1,151 | |
| Midea UCMI170OB/DUCMI170IHB17.5 kW heating17 kW cooling3,655 kWh/yr | 3 | $1,170 | |
| AirSmart IES-70015.8 kW heating17 kW cooling3,358 kWh/yr | 3.5 | $1,075 |
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 | 3.5 | 3,663 | 24 May 2027 |
| DONSR18B1/DINLR18B1 | AAC8199 | 3 | 3,764 | 1 May 2029 |
Australian GEMS 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: Australian Government Energy Rating (GEMS) registration data, DCCEEW via 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.