Australia · costs in AUD
Reverse cycle fixed air conditioner
Rinnai MON2H05B Air Conditioner
Rinnai MON2H05B is a 5.2 kW reverse cycle fixed air conditioner registered under Australia’s Energy Rating (GEMS) scheme (registration AAC8577).
- Energy rating (cooling)
- 3.5
- Heating: 3
- Annual electricity use
- 1,069 kWh
- 410 cooling + 659 heating
- Estimated running cost
- $342 / year
- $29 / month · $3,421 over 10 years
- Capacity
- 5.2 kW cooling
- 5.3 kW heating
6% 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 75% of them.
Across all 3,680 air conditioner registrations sold in Australia, it uses less than 76% (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 MON2H05B running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 2,041 | $653 | $6,531 |
| Mixed zone | 1,069 | $342 | $3,421 |
| Hot zone | 1,267 | $405 | $4,054 |
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 similar to the Rinnai MON2H05B
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Daikin 3MXM52RVMA6.8 kW heating5.2 kW cooling1,255 kWh/yr | 2.5 | $402 | |
| Haier 3U55S2PR1FA5 kW heating5.2 kW cooling1,092 kWh/yr | 3.5 | $349 | |
| Daikin 3MXM52R2VMA6.8 kW heating5.2 kW cooling1,255 kWh/yr | 2.5 | $402 | |
| Braemar NCHV53D125.3 kW heating5.2 kW cooling1,194 kWh/yr | 2.5 | $382 | |
| Braemar NCHV05D12B5.6 kW heating5.3 kW cooling1,151 kWh/yr | 3 | $368 | |
| Haier 2U50MEAFRA5.6 kW heating5 kW cooling1,066 kWh/yr | 4 | $341 | |
| Hitachi RAM-G55N3HCE6.8 kW heating5.5 kW cooling1,215 kWh/yr | 4 | $389 |
Other Rinnai models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Rinnai MON2H05B1LA5.4 kW heating5.4 kW cooling1,118 kWh/yr | 3.5 | $358 |
Compare MON2H05B with another model
Rinnai MON2H05B specifications
- Type
- Reverse cycle
- Configuration
- Fixed
- Air distribution
- Ducted or non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 5.20 kW
- Cooling power input
- 1.46 kW
- Rated heating capacity (7 °C)
- 5.30 kW
- Heating power input
- 1.27 kW
- EER, full load (tested)
- 3.81
- COP, full load (tested)
- 4.39
- Rated AEER
- 3.50
- Rated ACOP
- 4.08
- Standby power (PIA)
- 9.0 W
- Compressor
- Variable speed, Inverter
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- –
- Outdoor sound power
- 59.1 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 MON2H05B 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 | – | – | 421 | 568 |
| Coldresidential | residential | 3.5 | 2.0 | 260 | 1,781 |
| Mixedcommercial | commercial | – | – | 583 | 297 |
| Mixedresidential | residential | 3.5 | 3.0 | 410 | 659 |
| Hotcommercial | commercial | – | – | 1,433 | 73 |
| Hotresidential | residential | 4.0 | 3.5 | 1,158 | 109 |
Part-load test points (25 values)
- c__t1_min_cap_power_rated
- 217.5 W
- h__h1_min_cap_power_rated
- 360.9 W
- h__h2_ext_cap_power_rated
- 1306.4 W
- c__t1_half_cap_power_rated
- 481.2 W
- c__t1_have_min_cap_results
- Yes
- h__h1_half_cap_power_rated
- 495.8 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
- 1936.9 W
- h__h2_ext_cap_heat_cap_rated
- 4419.1 W
- h__h1_half_cap_heat_cap_rated
- 2684.3 W
- h__h2_is_capable_extended_load
- Yes
- c__low_temp_min_cap_power_rated
- 169.5 W
- c__t1_min_cap_cooling_cap_rated
- 1185.5 W
- c__low_temp_full_cap_power_rated
- 1329.8700000000001 W
- c__low_temp_half_cap_power_rated
- 365.6 W
- c__t1_half_cap_cooling_cap_rated
- 2664 W
- c__low_temp_have_half_cap_results
- Yes
- c__low_temp_min_cap_cooling_cap_rated
- 1436.1 W
- c__low_temp_full_cap_cooling_cap_rated
- 5600.4 W
- c__low_temp_half_cap_cooling_cap_rated
- 2680.8 W
Related Rinnai model numbers starting with MON2H05B
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 |
|---|---|---|---|---|
| MON2H05B1LA | AAC9072 | 3.5 | 1,118 | 9 July 2030 |
Australian GEMS registration details
- Registration number
- AAC8577
- GEMS registration id
- 166131
- Status
- approved, available (self-reported)
- Registration expires
- 12 January 2030
- Registered for sale in
- Australia, Fiji, 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.