LG Multi F 3-Way Multi Split Outdoor Unit 5.3kW
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The LG Multi F 3-Way 5.3kW outdoor unit is the ultimate solution for multi-room climate management. Capable of powering three separate indoor units, this system is ideal for larger residential properties where individual room control is essential. By centralising the cooling and heating process, it eliminates the need for multiple outdoor units, preserving the exterior aesthetics of your property. The unit is equipped with LG’s renowned Smart Inverter technology, which ensures rapid cooling and heating while maintaining optimal energy efficiency. Users can enjoy seamless integration with smart home platforms, allowing for remote control and scheduling via smartphone. This unit is particularly well-suited for family homes, enabling independent comfort settings in bedrooms and living areas. With its durable construction and R32 refrigerant, it is built to withstand the demands of the UK climate while providing quiet, reliable operation. Professional installation is required to ensure the system is correctly commissioned and fully operational.
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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 LG →Manufacturer instructions
Installation of the LG Multi F outdoor unit must be performed by qualified personnel in accordance with local and national regulations. The unit should be mounted on a level, vibration-free surface with adequate clearance for airflow. Refrigerant piping must be installed using high-quality copper, properly insulated, and leak-tested before evacuation. Electrical connections require adherence to the provided wiring diagrams, ensuring proper grounding and circuit protection. As this system uses R32 refrigerant, technicians must follow strict safety protocols regarding flammability and pressure. After installation, the system must be vacuum-dried to remove moisture. First power-on should only occur after verifying all connections and ensuring the service valves are open. Refer to the specific Multi F installation manual for detailed combination tables and electrical specifications.
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 LG Multi F 3-Way 5.3kW outdoor unit is the ultimate solution for multi-room climate management. Capable of powering three separate indoor units, this system is ideal for larger residential properties where individual room control is essential. By centralising the cooling and heating process, it eliminates the need for multiple outdoor units, preserving the exterior aesthetics of your property. The unit is equipped with LG’s renowned Smart Inverter technology, which ensures rapid cooling and heating while maintaining optimal energy efficiency. Users can enjoy seamless integration with smart home platforms, allowing for remote control and scheduling via smartphone. This unit is particularly well-suited for family homes, enabling independent comfort settings in bedrooms and living areas. With its durable construction and R32 refrigerant, it is built to withstand the demands of the UK climate while providing quiet, reliable operation. Professional installation is required to ensure the system is correctly commissioned and fully operational.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
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BroughtonReznor
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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
146 kWh/yr
EER 13
Standard model
237 kWh/yr
EER 8
Est. saving
£24.65
91 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 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
£1187
This AC / season
£396
You save / season
£791
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1465 kWh | £396 | Up to 300% | |
| Plug-in electric heater | 4396 kWh | £1187 | 100% | |
| Electric storage heater | 4396 kWh | £1187 | 100% |
Heat output estimated from this unit's 20,000 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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