
Senville SENA-18HF-MO 18000 BTU Dual-Zone Multi Split Outdoor Unit
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The Senville SENA-18HF-MO dual-zone multi split outdoor condensing unit delivers dependable, energy-efficient reverse-cycle climate control for up to two independent rooms. Engineered with advanced DC inverter technology and whisper-quiet variable-speed rotary compression, this versatile heat pump ensures rapid cooling and efficient heating even during challenging British winters. The system connects seamlessly to Senville wall-mounted or ceiling indoor units, enabling tailored zone-by-zone temperature profiles across living rooms, home extensions, or master bedrooms. Integrated smart Wi-Fi capabilities provide comprehensive remote operation through the Senville app alongside Alexa voice controls for scheduling and temperature adjustment. Delivering high-efficiency seasonal performance that earns an impressive A++ energy efficiency rating, this condenser lowers operational power consumption while maintaining balanced thermal comfort. Certified F-Gas installation by an experienced HVAC engineer guarantees longevity and compliance with UK building guidelines.
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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
The Senville SENA-18HF-MO dual-zone multi split outdoor condensing unit delivers dependable, energy-efficient reverse-cycle climate control for up to two independent rooms. Engineered with advanced DC inverter technology and whisper-quiet variable-speed rotary compression, this versatile heat pump ensures rapid cooling and efficient heating even during challenging British winters. The system connects seamlessly to Senville wall-mounted or ceiling indoor units, enabling tailored zone-by-zone temperature profiles across living rooms, home extensions, or master bedrooms. Integrated smart Wi-Fi capabilities provide comprehensive remote operation through the Senville app alongside Alexa voice controls for scheduling and temperature adjustment. Delivering high-efficiency seasonal performance that earns an impressive A++ energy efficiency rating, this condenser lowers operational power consumption while maintaining balanced thermal comfort. Certified F-Gas installation by an experienced HVAC engineer guarantees longevity and compliance with UK building guidelines.
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 →