LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32)
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
The LG MU4R27.U24A0 is a powerful 4-port multi-split outdoor unit, perfect for larger residential properties or multi-room commercial spaces in the UK. This robust system supports up to four indoor units, allowing for precise, individual temperature control across multiple zones. By utilising R32 refrigerant, the unit delivers superior cooling and heating efficiency while reducing environmental impact. The integrated inverter technology adjusts compressor speed to match the cooling or heating demand, ensuring consistent comfort and reduced energy consumption. This unit is particularly well-suited for homes where multiple bedrooms or living areas require climate control without the need for multiple outdoor condensers, keeping your exterior space tidy and uncluttered. Its quiet operation makes it suitable for dense residential areas. As a professional-grade system, it requires expert installation to guarantee system integrity and efficiency. With its high capacity and smart connectivity, it provides a sophisticated, future-proof solution for maintaining the perfect indoor climate throughout the changing UK seasons.
Need it installed?
We'll match you with a local HVAC engineer.
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
Technical documents & videos
More from LG →Official LG manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with LG — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The LG MU4R27.U24A0 is a powerful 4-port multi-split outdoor unit, perfect for larger residential properties or multi-room commercial spaces in the UK. This robust system supports up to four indoor units, allowing for precise, individual temperature control across multiple zones. By utilising R32 refrigerant, the unit delivers superior cooling and heating efficiency while reducing environmental impact. The integrated inverter technology adjusts compressor speed to match the cooling or heating demand, ensuring consistent comfort and reduced energy consumption. This unit is particularly well-suited for homes where multiple bedrooms or living areas require climate control without the need for multiple outdoor condensers, keeping your exterior space tidy and uncluttered. Its quiet operation makes it suitable for dense residential areas. As a professional-grade system, it requires expert installation to guarantee system integrity and efficiency. With its high capacity and smart connectivity, it provides a sophisticated, future-proof solution for maintaining the perfect indoor climate throughout the changing UK seasons.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
Common questions about the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32)
How many BTU is the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32)?
The LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) has a cooling capacity of 27,000 BTU, suitable for Up to 80m² total.
What room size is the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) suitable for?
The LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) is recommended for rooms Up to 80m² total.
Can I install the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) myself?
No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.
Is the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) smart-home compatible?
Yes — the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) supports Google Home, Amazon Alexa for app and voice control.
How long does delivery of the LG 7.9kW Multi-Split 4-Port Outdoor AC Unit (R32) take?
This unit is dispatched in 2-3 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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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
219 kWh/yr
EER 13
Standard model
356 kWh/yr
EER 8
Est. saving
£36.98
137 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (27,000 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 9 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1780
This AC / season
£593
You save / season
£1187
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 2198 kWh | £593 | Up to 300% | |
| Plug-in electric heater | 6594 kWh | £1780 | 100% | |
| Electric storage heater | 6594 kWh | £1780 | 100% |
Heat output estimated from this unit's 30,000 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 →
Share your savings
This heat-pump AC costs only £593/season to heat a room vs £1780 for an electric heater - that's £1187 saved. https://stockool.store/products/lg-mu4r27-u24a0-7-9kw-multi-split-outdoor-unit
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