Australia · costs in AUD
Reverse cycle fixed air conditioner
Rinnai MON2H05B1LA Air Conditioner
Rinnai MON2H05B1LA is a 5.4 kW reverse cycle fixed air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC9072).
- Energy rating (cooling)
- 3.5
- Heating: 2.5
- Annual electricity use
- 1,118 kWh
- 418 cooling + 700 heating
- Estimated running cost
- $358 / year
- $30 / month · $3,578 over 10 years
- Capacity
- 5.4 kW cooling
- 5.4 kW heating
1% less electricity than the median of 8 comparable 5 kW reverse cycle fixed registrations (1,135 kWh a year) in the mixed zone. Uses less than 50% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 73% (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 MON2H05B1LA running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 2,152 | $689 | $6,886 |
| Mixed zone | 1,118 | $358 | $3,578 |
| Hot zone | 1,307 | $418 | $4,182 |
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 5.4 kW, at least 3% lower annual kWh in the mixed zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Haier 2U50MEAFRA5.6 kW heating5 kW cooling1,066 kWh/yr | 4 | $341 | |
| Rinnai MON2H05B5.3 kW heating5.2 kW cooling1,069 kWh/yr | 3.5 | $342 |
Air conditioners similar to the Rinnai MON2H05B1LA
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Hitachi RAM-G55N3HCE6.8 kW heating5.5 kW cooling1,215 kWh/yr | 4 | $389 | |
| Haier 3U55S2PR1FA5.8 kW heating5.5 kW cooling1,282 kWh/yr | 2.5 | $410 | |
| Braemar NCHV05D12B5.6 kW heating5.3 kW cooling1,151 kWh/yr | 3 | $368 | |
| Braemar NCHV53D125.3 kW heating5.2 kW cooling1,194 kWh/yr | 2.5 | $382 | |
| Haier 3U55S2PR1FA5 kW heating5.2 kW cooling1,092 kWh/yr | 3.5 | $349 | |
| Daikin 3MXM52RVMA6.8 kW heating5.2 kW cooling1,255 kWh/yr | 2.5 | $402 | |
| Daikin 3MXM52R2VMA6.8 kW heating5.2 kW cooling1,255 kWh/yr | 2.5 | $402 |
Other Rinnai models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Rinnai MON2H05B5.3 kW heating5.2 kW cooling1,069 kWh/yr | 3.5 | $342 |
Compare MON2H05B1LA with another model
Rinnai MON2H05B1LA specifications
- Type
- Reverse cycle
- Configuration
- Fixed
- Air distribution
- Ducted or non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 5.40 kW
- Cooling power input
- 1.48 kW
- Rated heating capacity (7 °C)
- 5.40 kW
- Heating power input
- 1.32 kW
- EER, full load (tested)
- 3.72
- COP, full load (tested)
- 4.35
- Rated AEER
- 3.58
- Rated ACOP
- 4.01
- Standby power (PIA)
- 8.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 60.7 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 MON2H05B1LA 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 | – | – | 416 | 602 |
| Coldresidential | residential | 3.5 | 2.0 | 266 | 1,886 |
| Mixedcommercial | commercial | – | – | 585 | 316 |
| Mixedresidential | residential | 3.5 | 2.5 | 418 | 700 |
| Hotcommercial | commercial | – | – | 1,458 | 75 |
| Hotresidential | residential | 4.0 | 3.0 | 1,194 | 113 |
Part-load test points (23 values)
- c__t1_min_cap_power_rated
- 234 W
- h__h1_min_cap_power_rated
- 397 W
- h__h2_ext_cap_power_rated
- 1425 W
- c__t1_half_cap_power_rated
- 519 W
- c__t1_have_min_cap_results
- Yes
- h__h1_half_cap_power_rated
- 537 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
- 2020 W
- h__h2_ext_cap_heat_cap_rated
- 4550 W
- h__h1_half_cap_heat_cap_rated
- 2720 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_min_cap_power_rated
- 182 W
- c__t1_min_cap_cooling_cap_rated
- 1110 W
- c__low_temp_half_cap_power_rated
- 376 W
- c__t1_half_cap_cooling_cap_rated
- 2740 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_min_cap_cooling_cap_rated
- 1580 W
- c__low_temp_half_cap_cooling_cap_rated
- 2670 W
Australian GEMS registration details
- Registration number
- AAC9072
- GEMS registration id
- 170781
- Status
- approved, available (self-reported)
- Registration expires
- 9 July 2030
- Registered for sale in
- Australia, New Zealand
- Family
- –
- 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 19
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.