Mitsubishi Electric SLZ-M35FA 3.5kW Compact 4-Way Ceiling Cassette
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Designed to fit standard 600 x 600mm European suspended ceiling grids, the Mitsubishi Electric SLZ-M35FA compact 4-way ceiling cassette delivers unobtrusive climate control with leading Japanese engineering. Supplying 3.5kW (12,000 BTU) of cooling alongside 4.0kW of high-efficiency heat pump warming, this unit is ideal for home extensions, contemporary open-plan kitchens, light commercial offices, and treatment rooms up to 35m². The unit offers independent 4-way vane direction to eliminate cold drafts and hot spots, whilst whisper-quiet operation as low as 25 dB(A) ensures minimal disruption. Featuring compatibility with Mitsubishi Electric's optional MELCloud Wi-Fi adapter (MAC-587IF-E), you can monitor room conditions and integrate scheduling directly with voice control via Amazon Alexa or Google Assistant. With an outstanding A++ seasonal energy rating and modern R32 refrigerant, it provides an eco-conscious, low-running-cost solution for year-round indoor comfort.
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Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Specifications
Description
Designed to fit standard 600 x 600mm European suspended ceiling grids, the Mitsubishi Electric SLZ-M35FA compact 4-way ceiling cassette delivers unobtrusive climate control with leading Japanese engineering. Supplying 3.5kW (12,000 BTU) of cooling alongside 4.0kW of high-efficiency heat pump warming, this unit is ideal for home extensions, contemporary open-plan kitchens, light commercial offices, and treatment rooms up to 35m². The unit offers independent 4-way vane direction to eliminate cold drafts and hot spots, whilst whisper-quiet operation as low as 25 dB(A) ensures minimal disruption. Featuring compatibility with Mitsubishi Electric's optional MELCloud Wi-Fi adapter (MAC-587IF-E), you can monitor room conditions and integrate scheduling directly with voice control via Amazon Alexa or Google Assistant. With an outstanding A++ seasonal energy rating and modern R32 refrigerant, it provides an eco-conscious, low-running-cost solution for year-round indoor comfort.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 4 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£810
This AC / season
£270
You save / season
£540
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1000 kWh | £270 | Up to 300% | |
| Plug-in electric heater | 3000 kWh | £810 | 100% | |
| Electric storage heater | 3000 kWh | £810 | 100% |
Heat output estimated from this unit's 13,650 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →
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