Fujitsu Airstage KM Series 3.4kW Wall Mounted Split System
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Upgrade your living space with the Fujitsu Airstage KM Series 3.4kW split system, a powerful and efficient air conditioning unit designed for larger rooms. This model combines high-capacity cooling with a sophisticated, minimalist aesthetic that complements any interior decor. Featuring built-in Wi-Fi, it offers convenient app-based control, allowing you to adjust settings remotely for maximum comfort upon arrival. The unit is built with Fujitsu's renowned inverter technology, which significantly reduces energy bills by adjusting power output based on real-time demand. Its reverse-cycle heat pump functionality makes it a versatile choice for the UK climate, providing reliable warmth in winter and refreshing cooling in summer. Designed for quiet operation, it ensures your environment remains peaceful while maintaining the perfect temperature. This system is a top-tier choice for homeowners seeking a durable, smart, and energy-efficient solution for medium-to-large living areas or open-plan spaces.
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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
Upgrade your living space with the Fujitsu Airstage KM Series 3.4kW split system, a powerful and efficient air conditioning unit designed for larger rooms. This model combines high-capacity cooling with a sophisticated, minimalist aesthetic that complements any interior decor. Featuring built-in Wi-Fi, it offers convenient app-based control, allowing you to adjust settings remotely for maximum comfort upon arrival. The unit is built with Fujitsu's renowned inverter technology, which significantly reduces energy bills by adjusting power output based on real-time demand. Its reverse-cycle heat pump functionality makes it a versatile choice for the UK climate, providing reliable warmth in winter and refreshing cooling in summer. Designed for quiet operation, it ensures your environment remains peaceful while maintaining the perfect temperature. This system is a top-tier choice for homeowners seeking a durable, smart, and energy-efficient solution for medium-to-large living areas or open-plan spaces.
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
£801
This AC / season
£267
You save / season
£534
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 989 kWh | £267 | Up to 300% | |
| Plug-in electric heater | 2967 kWh | £801 | 100% | |
| Electric storage heater | 2967 kWh | £801 | 100% |
Heat output estimated from this unit's 13,500 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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