3.5 kWMitsubishi Electric SEZ-M 3.5kW Bulkhead / Slim Duct
The 3.5 kW bulkhead suits master bedrooms and studies around 23 to 28 square metres, ducted to one or two outlets.
Part of the Mitsubishi Electric SEZ-M Bulkhead range, Mitsubishi Electric's bulkhead / slim duct line, in 5 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 3.5 kW options, or ask about supply and installation.
About $240 a year at the current Sydney median electricity rate: $94 of cooling plus $146 of heating, from the official GEMS test figures.
The Mitsubishi Electric SEZ-M 3.5kW uses 326 kWh annually for cooling and 506 kWh annually for heating under Sydney climate conditions, based on official GEMS registration testing. These figures reflect typical usage patterns in the Sydney zone and provide a reliable basis for estimating your running costs when combined with current local electricity rates.
The system holds a 2.5-star energy rating for both cooling and heating under the zoned labelling scheme for Sydney. Its rated cooling efficiency (AEER) is 3.40 and heating efficiency (ACOP) is 3.54. The unit uses R32 refrigerant. Your actual energy consumption will vary depending on your usage patterns, thermostat settings and home conditions.
Source: Australian GEMS registry · median of 170 Sydney residential tariffs · Refreshed monthly · Last updated September 2026
Specifications
From the manufacturer’s published range data. We confirm the exact configuration when we quote.
About the Mitsubishi Electric SEZ-M Bulkhead range| Brand | Mitsubishi Electric |
|---|---|
| Model | SEZ-M35DA3 |
| Series | Mitsubishi Electric SEZ-M Bulkhead |
| System type | Bulkhead / Slim Duct |
| Capacity | 3.5 kW |
| Refrigerant | R32 |
| Outdoor units | SUZ-M VAD2 series |
| Power | 230V single phase |
