
Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
Designed for mid-sized British living rooms, larger bedrooms, and modern studio flats, the Sharp AY-X12YWI provides powerful 12000 BTU climate control with energy-efficient reverse cycle heating. Powered by a precision rotary DC inverter compressor, the system maintains consistent comfort while operating with an outstanding A++ seasonal efficiency rating. Intelligent Wi-Fi capability enables effortless control using smartphones as well as hands-free adjustments through Amazon Alexa and Google Assistant smart home platforms. The unit features Sharp's Super Jet mode for rapid temperature reduction alongside gentle ceiling-deflected cooling that prevents unpleasant cold drafts. Designed for whisper-quiet performance, the indoor fan operates at ultra-low decibel levels during night operation. An environmentally responsible R32 pre-charged outdoor condensing unit ensures durable heat exchange under tough weather conditions, making this heat pump split system an exceptional year-round climate choice for modern UK properties.
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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 Sharp →Official Sharp manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Sharp — ask us and we will send the cut sheet with mounting and clearance figures.
Description
Designed for mid-sized British living rooms, larger bedrooms, and modern studio flats, the Sharp AY-X12YWI provides powerful 12000 BTU climate control with energy-efficient reverse cycle heating. Powered by a precision rotary DC inverter compressor, the system maintains consistent comfort while operating with an outstanding A++ seasonal efficiency rating. Intelligent Wi-Fi capability enables effortless control using smartphones as well as hands-free adjustments through Amazon Alexa and Google Assistant smart home platforms. The unit features Sharp's Super Jet mode for rapid temperature reduction alongside gentle ceiling-deflected cooling that prevents unpleasant cold drafts. Designed for whisper-quiet performance, the indoor fan operates at ultra-low decibel levels during night operation. An environmentally responsible R32 pre-charged outdoor condensing unit ensures durable heat exchange under tough weather conditions, making this heat pump split system an exceptional year-round climate choice for modern UK properties.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System
How many BTU is the Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System?
The Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System has a cooling capacity of 12,000 BTU, suitable for 25-35 m².
What room size is the Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System suitable for?
The Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System is recommended for rooms 25-35 m².
Can I install the Sharp AY-X12YWI 12000 BTU Smart Inverter 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 Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System smart-home compatible?
Yes — the Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System supports Amazon Alexa, Google Assistant for app and voice control.
How long does delivery of the Sharp AY-X12YWI 12000 BTU Smart Inverter Wall Mounted Split System take?
This unit is 3-5 business 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
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
£772
This AC / season
£257
You save / season
£514
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 953 kWh | £257 | Up to 300% | |
| Plug-in electric heater | 2858 kWh | £772 | 100% | |
| Electric storage heater | 2858 kWh | £772 | 100% |
Heat output estimated from this unit's 13,000 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 £257/season to heat a room vs £772 for an electric heater - that's £514 saved. https://stockool.store/products/sharp-ay-x12ywi-12000-btu-smart-inverter-split
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