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LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW
LG

LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW

In StockEnergy A++

Available to order — dispatched on the lead time shown below.

£2,716.420

Trade pricing available — apply or sign in for your trade rate

3-5 working days
UK-Wide Delivery
Free UK mainland delivery on in-stock units
🇪🇺 EU Delivery available
Dispatched in 3–7 working days, then 5–10 working days EU transit
Orders under €150 ship VAT-paid at checkout (IOSS, no charges on delivery). Orders of €150 or more ship DDU — import VAT and customs duty are collected by the courier on delivery.

Retail prices include VAT.

Built for substantial UK residences and expansive light-commercial offices, the LG Multi F DX MU5M40.U44 outdoor condenser provides high-capacity climate conditioning across five distinct spaces. Delivering 11.2kW cooling and 12.5kW heating output, this system utilizes high-efficiency inverter compressor technology to easily overcome extensive pipe runs up to 145 metres total system length. Its heavy-duty construction includes dual-propeller heat rejection, low-noise nocturnal operating modes, and LG’s proprietary Ocean Black Fin coil protection that prevents galvanic oxidation in coastal environments. The outdoor unit manages diverse combinations of high-wall, cassette, ceiling-suspended, and ducted indoor terminals, giving full design flexibility to interior architects. Supported by smart controls, occupants enjoy integrated building temperature scheduling via the LG ThinQ mobile platform or commercial BACnet/Modbus interfaces. Certified F-Gas professional installation is required to perform system commissioning and multi-circuit nitrogen testing.

1

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.

LG ThinQAmazon AlexaGoogle Assistant
  • Free UK mainland delivery on in-stock units
  • Manufacturer warranty included
  • 14-day returns

Cooling Capacity

38,000 BTU

Energy Rating

A++

Recommended Room

5-7 zones (up to 125m² combined)

Technical documents & videos

More from LG →

Official LG manual

The manufacturer's PDF for this model is being sourced and will be downloadable here.

All LG catalogues and rangesMissing a document? Ask our team and we will send it over.

Full Specifications

Cooling Capacity38,000 BTU
Recommended Room Size5-7 zones (up to 125m² combined)
Energy RatingA++
Smart HomeLG ThinQ, Amazon Alexa, Google Assistant
Noise Level—
CategoryMulti-Split System AC
SKULG-MU5M40-U44

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

Built for substantial UK residences and expansive light-commercial offices, the LG Multi F DX MU5M40.U44 outdoor condenser provides high-capacity climate conditioning across five distinct spaces. Delivering 11.2kW cooling and 12.5kW heating output, this system utilizes high-efficiency inverter compressor technology to easily overcome extensive pipe runs up to 145 metres total system length. Its heavy-duty construction includes dual-propeller heat rejection, low-noise nocturnal operating modes, and LG’s proprietary Ocean Black Fin coil protection that prevents galvanic oxidation in coastal environments. The outdoor unit manages diverse combinations of high-wall, cassette, ceiling-suspended, and ducted indoor terminals, giving full design flexibility to interior architects. Supported by smart controls, occupants enjoy integrated building temperature scheduling via the LG ThinQ mobile platform or commercial BACnet/Modbus interfaces. Certified F-Gas professional installation is required to perform system commissioning and multi-circuit nitrogen testing.

Compare similar units

Side-by-side specs for other multi-split system ac in a similar BTU range.

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LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW

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LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW

LG MU5R36.U36A0 10.6kW Multi-Split Outdoor Unit

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LG MU5R36.U36A0 10.6kW Multi-Split Outdoor Unit

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Senville SENA-36HF-MO 36000 BTU Quad-Zone Multi Split Outdoor Unit

AUX Free Match AM4-H36/4DR3 10.5kW Four-Port Multi Split Outdoor Unit

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AUX Free Match AM4-H36/4DR3 10.5kW Four-Port Multi Split Outdoor Unit

Cooling Capacity
38,000 BTU
36,000 BTU
36,000 BTU
36,000 BTU
Room Size
5-7 zones (up to 125m² combined)
Up to 120m² total
Up to 90m² total (4 rooms)
Up to 110m² across 4 zones
Energy Rating
A++
A++
A++
A++
Heating Capable
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Smart Home
LG ThinQ, Amazon Alexa, Google Assistant
Google Home, Amazon Alexa
Amazon Alexa, Google Home
Amazon Alexa, Google Home, Tuya/SmartLife
Stock
In Stock
In Stock
In Stock
In Stock
Price inc VAT
£2,716.42
£2,965.00
£1,970.15
£1,283.58

Common questions about the LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW

How many BTU is the LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW?

The LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW has a cooling capacity of 38,000 BTU, suitable for 5-7 zones (up to 125m² combined).

What room size is the LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW suitable for?

The LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW is recommended for rooms 5-7 zones (up to 125m² combined).

Can I install the LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW 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 Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW smart-home compatible?

Yes — the LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW supports LG ThinQ, Amazon Alexa, Google Assistant for app and voice control.

How long does delivery of the LG Multi F DX MU5M40.U44 Commercial 5-Port Outdoor Unit 11.2kW take?

This unit is 3-5 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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Annual energy savings estimate

How much this A++-rated unit could save versus a standard C-rated model, based on your usage.

This unit

308 kWh/yr

EER 13

Standard model

501 kWh/yr

EER 8

Est. saving

£52.04

193 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (38,000 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 12 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£2522

This AC / season

£841

You save / season

£1682

~67% less electricity

Heating methodElectricity / seasonCost / seasonEfficiencySummer cooling
This heat-pump AC3114 kWh£841Up to 300%
Plug-in electric heater9342 kWh£2522100%
Electric storage heater9342 kWh£2522100%

Heat output estimated from this unit's 42,500 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 £841/season to heat a room vs £2522 for an electric heater - that's £1682 saved. https://stockool.store/products/lg-multi-f-dx-mu5m40-u44-commercial-5-port-outdoor-unit

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