Samsung WindFree Comfort S2 5.0kW Wall Split System
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The Samsung WindFree Comfort S2 5.0kW is a powerful, high-capacity split system ideal for larger living areas or open-plan spaces in the UK. This unit combines rapid cooling capabilities with the comfort of WindFree technology, which gently distributes air to maintain a consistent temperature without the discomfort of direct, high-velocity airflow. With its integrated Wi-Fi, the system connects directly to the Samsung SmartThings ecosystem, allowing for intuitive control via smartphone or voice assistants. The unit is engineered for efficiency, featuring an inverter compressor that adjusts speed to maintain desired temperatures while minimising energy usage. Its reversible heat pump functionality makes it an excellent choice for both summer cooling and winter heating. The unit includes an Easy Filter Plus system, which is simple to remove and clean, ensuring the air remains fresh and free from airborne pollutants. Professional installation is required for this high-performance system.
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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
Downloads & specs
More from Samsung →Manufacturer instructions
The Samsung WindFree Comfort S2 system must be installed by a certified professional in compliance with local F-gas regulations and safety standards. The installation involves mounting the indoor unit on a secure wall plate and connecting the outdoor unit using appropriate refrigerant piping (1/4 inch and 1/2 inch). Electrical connections must be performed by a qualified electrician. The system utilizes R32 refrigerant, requiring careful handling and leak testing during setup. Once installed, the unit can be commissioned and connected to the SmartThings app via the built-in Wi-Fi for intelligent climate control. Users should refer to the provided installation manual for specific torque settings, vacuum pump requirements, and wiring diagrams. Always ensure adequate ventilation around the outdoor unit and verify that the refrigerant charge is appropriate for the pipe length.
Fixed units must be installed by a qualified F-gas engineer. Find an installer — we'll match you with a local HVAC professional.
Full Specifications
Description
The Samsung WindFree Comfort S2 5.0kW is a powerful, high-capacity split system ideal for larger living areas or open-plan spaces in the UK. This unit combines rapid cooling capabilities with the comfort of WindFree technology, which gently distributes air to maintain a consistent temperature without the discomfort of direct, high-velocity airflow. With its integrated Wi-Fi, the system connects directly to the Samsung SmartThings ecosystem, allowing for intuitive control via smartphone or voice assistants. The unit is engineered for efficiency, featuring an inverter compressor that adjusts speed to maintain desired temperatures while minimising energy usage. Its reversible heat pump functionality makes it an excellent choice for both summer cooling and winter heating. The unit includes an Easy Filter Plus system, which is simple to remove and clean, ensuring the air remains fresh and free from airborne pollutants. Professional installation is required for this high-performance system.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
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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
163 kWh/yr
EER 11
Standard model
224 kWh/yr
EER 8
Est. saving
£16.51
61 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (17,000 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
£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 →
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