Vaillant climaVAIR pro VAI5-050WN 5.0kW Inverter Wall Split Air Conditioner
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Engineered for demanding residential open-plan spaces and light commercial settings, the Vaillant climaVAIR pro VAI5-050WN provides 5.0kW (18,000 BTU) of high-capacity cooling and heating performance. Designed and manufactured to rigorous German standards, this durable split system guarantees outstanding energy efficiency with an A++ rating for cooling and A+ for seasonal heating. The indoor high-wall unit features 3D air distribution vanes that smoothly oscillate vertically and horizontally to prevent cold drafts. Equipped with a high-performance rotary compressor and eco-friendly R32 refrigerant, it provides dependable operation even in harsh outdoor temperatures down to -15°C. Features like self-cleaning evaporators and absence mode prevent mould build-up while keeping energy overheads minimal. The unit is fully Wi-Fi enabled for instant pairing with smart home systems and smartphone controls.
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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
Engineered for demanding residential open-plan spaces and light commercial settings, the Vaillant climaVAIR pro VAI5-050WN provides 5.0kW (18,000 BTU) of high-capacity cooling and heating performance. Designed and manufactured to rigorous German standards, this durable split system guarantees outstanding energy efficiency with an A++ rating for cooling and A+ for seasonal heating. The indoor high-wall unit features 3D air distribution vanes that smoothly oscillate vertically and horizontally to prevent cold drafts. Equipped with a high-performance rotary compressor and eco-friendly R32 refrigerant, it provides dependable operation even in harsh outdoor temperatures down to -15°C. Features like self-cleaning evaporators and absence mode prevent mould build-up while keeping energy overheads minimal. The unit is fully Wi-Fi enabled for instant pairing with smart home systems and smartphone controls.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 5 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1094
This AC / season
£365
You save / season
£729
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1350 kWh | £365 | Up to 300% | |
| Plug-in electric heater | 4050 kWh | £1094 | 100% | |
| Electric storage heater | 4050 kWh | £1094 | 100% |
Heat output estimated from this unit's 18,425 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 →