3.3 kWMHI Ciara 3.3kW Split System
The 3.5kW MHI Ciara Split (model DXK12ZTLA-W) is sized for large bedrooms and smaller living rooms. As a guide, it cools a room of up to about 25 to 29 m². That is from Mitsubishi Heavy Industries' sizing chart for an insulated room: the larger figure if it faces north, the smaller if it faces east. Western sun, poor insulation and high ceilings bring it down. If the space is bigger, has high ceilings or strong afternoon sun, step up to the 5kW.
Part of the MHI Ciara Split range, Mitsubishi Heavy Industries's split system line, in 7 sizes. Running costs below use the Sydney median rate; the Eastern Suburbs and Western Sydney pages cost systems on their own network tariffs. Check the size against your rooms, compare it with other 3.3 kW options, see every 3.5kW split system ranked by running cost, or ask about supply and installation.
About $244 a year at the current Sydney median electricity rate: $94 of cooling plus $150 of heating, from the official GEMS test figures.
The MHI Ciara 3.3kW is rated 3 stars for both cooling and heating under the Australian government energy label for Sydney's climate zone. According to official GEMS test data, the system uses 285 kWh per year for cooling and 452 kWh per year for heating. These figures reflect standard test conditions and will vary with your actual usage patterns and settings.
The unit has an AEER (air conditioner energy efficiency ratio) of 3.60 and an ACOP (air conditioner coefficient of performance) of 4.14. It uses R32 refrigerant. Your running costs depend on how often you run the system and your local electricity rate.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs, including GST · Refreshed monthly · Last updated October 2026
Specifications
From the manufacturer’s published range data. We confirm the exact configuration when we quote.
About the MHI Ciara Split range| Brand | Mitsubishi Heavy Industries |
|---|---|
| Model | DXK12ZTLA-WF |
| Series | MHI Ciara Split |
| System type | Split System |
| Capacity | 3.3 kW |
| Refrigerant | R32 |
| Warranty | 5 year parts & labour |
