Sharp AY-X18YWI 18000 BTU High-Capacity Inverter Split Air Conditioner
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The Sharp AY-X18YWI 18000 BTU inverter split air conditioner offers exceptional cooling and high-output heating for open-plan living zones, home extensions, and retail environments across the UK. Engineered with an advanced dual-cylinder DC inverter compressor, this robust wall-mounted split unit swiftly balances indoor temperatures while optimising power consumption. It features integrated Wi-Fi networking for simple schedule programming and real-time monitoring via mobile devices and smart voice assistants. The indoor fascia features wide dual-louvre air deflectors that distribute conditioned air across expansive spaces evenly, eliminating cold pockets. Additional operational modes include a dehumidification setting for damper UK seasons, an energy-saving Eco setting, and an automatic restart protocol that restores settings following unexpected mains power cuts. Its durable outdoor condenser is treated with anti-corrosion fins, providing prolonged operational life and dependable high performance in all weather conditions.
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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
Full Specifications
Description
The Sharp AY-X18YWI 18000 BTU inverter split air conditioner offers exceptional cooling and high-output heating for open-plan living zones, home extensions, and retail environments across the UK. Engineered with an advanced dual-cylinder DC inverter compressor, this robust wall-mounted split unit swiftly balances indoor temperatures while optimising power consumption. It features integrated Wi-Fi networking for simple schedule programming and real-time monitoring via mobile devices and smart voice assistants. The indoor fascia features wide dual-louvre air deflectors that distribute conditioned air across expansive spaces evenly, eliminating cold pockets. Additional operational modes include a dehumidification setting for damper UK seasons, an energy-saving Eco setting, and an automatic restart protocol that restores settings following unexpected mains power cuts. Its durable outdoor condenser is treated with anti-corrosion fins, providing prolonged operational life and dependable high performance in all weather conditions.
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
£1128
This AC / season
£376
You save / season
£752
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1392 kWh | £376 | Up to 300% | |
| Plug-in electric heater | 4176 kWh | £1128 | 100% | |
| Electric storage heater | 4176 kWh | £1128 | 100% |
Heat output estimated from this unit's 19,000 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 →