
Fujitsu Airstage KMTC 3.5kW Wall Split System
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Designed for medium-sized living areas, the Fujitsu Airstage KMTC 3.5kW split system offers a perfect balance of power and efficiency. This unit is highly regarded in the UK market for its reliability and quiet performance, making it an excellent choice for living rooms or open-plan apartments. The system features intelligent inverter control, which adjusts power consumption based on room demand, significantly reducing energy costs. With integrated Wi-Fi connectivity, users can easily manage their home climate through a dedicated app, providing ultimate convenience and control. The unit is fully reverse-cycle, meaning it provides efficient heating during colder months and rapid cooling during summer heatwaves. Its modern, minimalist aesthetic ensures it complements any decor, while the advanced filter technology ensures clean, fresh air circulation. This system requires professional installation to meet safety and performance standards.
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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
Downloads & specs
More from Fujitsu →Full Specifications
Description
Designed for medium-sized living areas, the Fujitsu Airstage KMTC 3.5kW split system offers a perfect balance of power and efficiency. This unit is highly regarded in the UK market for its reliability and quiet performance, making it an excellent choice for living rooms or open-plan apartments. The system features intelligent inverter control, which adjusts power consumption based on room demand, significantly reducing energy costs. With integrated Wi-Fi connectivity, users can easily manage their home climate through a dedicated app, providing ultimate convenience and control. The unit is fully reverse-cycle, meaning it provides efficient heating during colder months and rapid cooling during summer heatwaves. Its modern, minimalist aesthetic ensures it complements any decor, while the advanced filter technology ensures clean, fresh air circulation. This system requires professional installation to meet safety and performance standards.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
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Mitsubishi ElectricAnnual energy savings estimate
How much this A++-rated unit could save versus a standard C-rated model, based on your usage.
This unit
97 kWh/yr
EER 13
Standard model
158 kWh/yr
EER 8
Est. saving
£16.44
61 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (12,000 BTU). Actual savings vary with room size, climate and usage patterns.
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
£831
This AC / season
£277
You save / season
£554
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1026 kWh | £277 | Up to 300% | |
| Plug-in electric heater | 3077 kWh | £831 | 100% | |
| Electric storage heater | 3077 kWh | £831 | 100% |
Heat output estimated from this unit's 14,000 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 →
Share your savings
This heat-pump AC costs only £277/season to heat a room vs £831 for an electric heater - that's £554 saved. https://stockool.store/products/fujitsu-airstage-kmtc-3-5kw-wall-split
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