Samsung WindFree Elite S2 3.5kW Wall Split System
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The Samsung WindFree Elite S2 3.5kW represents the pinnacle of residential climate control. This unit is designed for those who demand the highest efficiency and comfort. It features advanced motion detection sensors that adjust airflow based on room occupancy, further enhancing energy savings. The WindFree cooling mode ensures a draft-free environment, while the AI Auto Cooling feature analyses room conditions and usage patterns to optimise performance automatically. With built-in Wi-Fi, it integrates perfectly with the Samsung SmartThings app, providing comprehensive control over your home climate from anywhere. The Elite model also includes the innovative SolarCell remote controller, which charges via indoor light, reducing battery waste. Its quiet operation and sophisticated design make it an ideal addition to master bedrooms or living rooms. As a full-featured heat pump, it provides reliable, efficient heating and cooling throughout the year. Professional installation is required.
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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 Elite S2 must be installed by a certified professional in compliance with local F-gas regulations. Installation involves mounting the indoor unit on a secure, level wall bracket and positioning the outdoor unit in a well-ventilated area with adequate clearance for airflow. Refrigerant piping must be carefully flared, connected, and vacuum-tested to ensure no leaks before opening the service valves. Electrical connections require a dedicated power supply, with communication wiring between the indoor and outdoor units following the manufacturer's wiring diagram. Once installed, the system must be purged of air and moisture. Upon first power-on, verify the system operation via the remote controller, ensuring the WindFree mode engages correctly. Always refer to the specific technical installation manual provided with the unit for precise torque settings and pipe length limitations.
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 Elite S2 3.5kW represents the pinnacle of residential climate control. This unit is designed for those who demand the highest efficiency and comfort. It features advanced motion detection sensors that adjust airflow based on room occupancy, further enhancing energy savings. The WindFree cooling mode ensures a draft-free environment, while the AI Auto Cooling feature analyses room conditions and usage patterns to optimise performance automatically. With built-in Wi-Fi, it integrates perfectly with the Samsung SmartThings app, providing comprehensive control over your home climate from anywhere. The Elite model also includes the innovative SolarCell remote controller, which charges via indoor light, reducing battery waste. Its quiet operation and sophisticated design make it an ideal addition to master bedrooms or living rooms. As a full-featured heat pump, it provides reliable, efficient heating and cooling throughout the year. Professional installation is required.
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
90 kWh/yr
EER 14
Standard model
158 kWh/yr
EER 8
Est. saving
£18.31
68 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
£801
This AC / season
£267
You save / season
£534
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 989 kWh | £267 | Up to 300% | |
| Plug-in electric heater | 2967 kWh | £801 | 100% | |
| Electric storage heater | 2967 kWh | £801 | 100% |
Heat output estimated from this unit's 13,500 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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