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Samsung WindFree Comfort S2 3.5kW Wall Split System
Available to order — dispatched on the lead time shown below.
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
The Samsung WindFree Comfort S2 3.5kW is a versatile and efficient wall-mounted split system, perfectly suited for medium-sized living rooms or master bedrooms. By utilising WindFree cooling technology, the unit gently distributes air through thousands of micro-holes, effectively removing the discomfort of cold air blowing directly onto occupants. This model is engineered for maximum comfort, maintaining a stable temperature with minimal noise, which is essential for restful sleep or focused work. The integrated Digital Inverter compressor ensures rapid cooling while maintaining high energy efficiency, helping to reduce electricity consumption. With full SmartThings app support, you can monitor energy usage, schedule operation, and adjust settings remotely from your smartphone. This unit also features a powerful heat pump, providing efficient heating during colder UK weather. Its clean, minimalist design ensures it blends seamlessly into any contemporary interior, offering a reliable and smart climate control solution for your home.
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 Samsung →Official Samsung manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Dimensions & fit
Height × width × depth in millimetresManufacturer cabinet figures, excluding packaging and pipework. Leave clearance around the outdoor unit for airflow — ask us if you need the full cut sheet with mounting and clearance requirements.
Description
The Samsung WindFree Comfort S2 3.5kW is a versatile and efficient wall-mounted split system, perfectly suited for medium-sized living rooms or master bedrooms. By utilising WindFree cooling technology, the unit gently distributes air through thousands of micro-holes, effectively removing the discomfort of cold air blowing directly onto occupants. This model is engineered for maximum comfort, maintaining a stable temperature with minimal noise, which is essential for restful sleep or focused work. The integrated Digital Inverter compressor ensures rapid cooling while maintaining high energy efficiency, helping to reduce electricity consumption. With full SmartThings app support, you can monitor energy usage, schedule operation, and adjust settings remotely from your smartphone. This unit also features a powerful heat pump, providing efficient heating during colder UK weather. Its clean, minimalist design ensures it blends seamlessly into any contemporary interior, offering a reliable and smart climate control solution for your home.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Samsung WindFree Comfort S2 3.5kW Wall Split System
How many BTU is the Samsung WindFree Comfort S2 3.5kW Wall Split System?
The Samsung WindFree Comfort S2 3.5kW Wall Split System has a cooling capacity of 11,942 BTU, suitable for Up to 35m².
What room size is the Samsung WindFree Comfort S2 3.5kW Wall Split System suitable for?
The Samsung WindFree Comfort S2 3.5kW Wall Split System is recommended for rooms Up to 35m².
Can I install the Samsung WindFree Comfort S2 3.5kW Wall 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 Samsung WindFree Comfort S2 3.5kW Wall Split System smart-home compatible?
Yes — the Samsung WindFree Comfort S2 3.5kW Wall Split System supports Samsung SmartThings for app and voice control.
How long does delivery of the Samsung WindFree Comfort S2 3.5kW Wall 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
97 kWh/yr
EER 13
Standard model
158 kWh/yr
EER 8
Est. saving
£16.36
61 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (11,942 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/samsung-windfree-comfort-s2-3-5kw-wall-split
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