Fujitsu Airstage ASYG18KLCA Wall Mounted Split System
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The Fujitsu Airstage ASYG18KLCA is a high-performance wall-mounted split system designed for larger residential spaces or light commercial environments. Engineered with advanced R32 inverter technology, this unit provides exceptional energy efficiency and rapid cooling or heating to maintain your desired climate throughout the year. Its sleek, modern design integrates seamlessly into any interior, while the ultra-quiet operation ensures minimal disruption, making it ideal for bedrooms, living areas, or home offices. The system features powerful airflow distribution, ensuring consistent temperatures even in larger rooms. With its robust build quality and reliable heat pump functionality, this unit is a perfect solution for UK homeowners seeking a durable, long-term investment in comfort. Professional installation is required to ensure optimal performance and compliance with UK safety standards.
Need it installed?
We'll match you with a local HVAC engineer.
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
Technical documents & videos
More from Fujitsu →Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Fujitsu — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Fujitsu Airstage ASYG18KLCA is a high-performance wall-mounted split system designed for larger residential spaces or light commercial environments. Engineered with advanced R32 inverter technology, this unit provides exceptional energy efficiency and rapid cooling or heating to maintain your desired climate throughout the year. Its sleek, modern design integrates seamlessly into any interior, while the ultra-quiet operation ensures minimal disruption, making it ideal for bedrooms, living areas, or home offices. The system features powerful airflow distribution, ensuring consistent temperatures even in larger rooms. With its robust build quality and reliable heat pump functionality, this unit is a perfect solution for UK homeowners seeking a durable, long-term investment in comfort. Professional installation is required to ensure optimal performance and compliance with UK safety standards.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System
How many BTU is the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System?
The Fujitsu Airstage ASYG18KLCA Wall Mounted Split System has a cooling capacity of 18,000 BTU, suitable for Up to 50m².
What room size is the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System suitable for?
The Fujitsu Airstage ASYG18KLCA Wall Mounted Split System is recommended for rooms Up to 50m².
Can I install the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System myself?
No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.
Is the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System smart-home compatible?
Yes — the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System supports Amazon Alexa, Google Home for app and voice control.
How long does delivery of the Fujitsu Airstage ASYG18KLCA Wall Mounted Split System take?
This unit is dispatched in 2-3 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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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
146 kWh/yr
EER 13
Standard model
237 kWh/yr
EER 8
Est. saving
£24.65
91 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 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 6 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1187
This AC / season
£396
You save / season
£791
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1465 kWh | £396 | Up to 300% | |
| Plug-in electric heater | 4396 kWh | £1187 | 100% | |
| Electric storage heater | 4396 kWh | £1187 | 100% |
Heat output estimated from this unit's 20,000 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 £396/season to heat a room vs £1187 for an electric heater - that's £791 saved. https://stockool.store/products/fujitsu-airstage-asyg18klca-split
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