LG Multi V S ARUN040GSS4 Mini VRF Multi-Split Outdoor Unit 12.1kW
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The LG Multi V S ARUN040GSS4 is a premium, compact Mini VRF multi-split heat pump system engineered for luxury UK residences, prestige penthouses, and commercial retail units. Operating on a single outdoor unit, it supports up to six independently controlled indoor evaporators, delivering an impressive 12.1kW cooling and 12.5kW heating capacity. Featuring LG’s 4th generation inverter scroll compressor, smart load control, and vapour injection, it maintains outstanding heating output in UK sub-zero winter temperatures down to -20°C. Ocean Black Fin treatment protects internal heat exchanging elements from pollution and moisture damage. The high-performance system accommodates expansive piping layouts and connects with LG's full architectural indoor range, including 4-way cassettes, slim duct units, and designer wall units. Compatibility with the LG ThinQ application and central BMS systems guarantees smart operational monitoring. This advanced Mini VRF system mandates specialist installation by certified F-Gas heating engineers.
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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 LG Multi V S ARUN040GSS4 is a premium, compact Mini VRF multi-split heat pump system engineered for luxury UK residences, prestige penthouses, and commercial retail units. Operating on a single outdoor unit, it supports up to six independently controlled indoor evaporators, delivering an impressive 12.1kW cooling and 12.5kW heating capacity. Featuring LG’s 4th generation inverter scroll compressor, smart load control, and vapour injection, it maintains outstanding heating output in UK sub-zero winter temperatures down to -20°C. Ocean Black Fin treatment protects internal heat exchanging elements from pollution and moisture damage. The high-performance system accommodates expansive piping layouts and connects with LG's full architectural indoor range, including 4-way cassettes, slim duct units, and designer wall units. Compatibility with the LG ThinQ application and central BMS systems guarantees smart operational monitoring. This advanced Mini VRF system mandates specialist installation by certified F-Gas heating engineers.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 12 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£2528
This AC / season
£843
You save / season
£1686
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 3121 kWh | £843 | Up to 300% | |
| Plug-in electric heater | 9364 kWh | £2528 | 100% | |
| Electric storage heater | 9364 kWh | £2528 | 100% |
Heat output estimated from this unit's 42,600 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 →