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Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW
Mitsubishi Electric

Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW

In StockEnergy A++

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

£3,343.280

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.

The Mitsubishi Electric MXZ-6F122VF is a flagship six-port residential and commercial multi-split outdoor condenser providing an expansive 12.2kW cooling capacity and 14.0kW of heating power. Operating with R32 refrigerant, this heavy-duty unit centralises heating and cooling for up to six separate rooms or office suites into one compact, high-performance outdoor station. It leverages Mitsubishi Electric's latest inverter scroll compressor technology to deliver top-tier efficiency, silent operation, and immediate thermodynamic response. Long total piping allowances of up to 80 metres offer broad flexibility for multi-floor British installations where indoor air handlers are situated far from exterior mounting points. The system is fully compatible with the MELCloud app platform when paired with optional Wi-Fi interfaces, allowing building managers and homeowners to oversee every zone remotely via iOS or Android devices. With robust weatherproofing, built-in defrost cycles, and low standby power draw, this unit represents an elite multi-split heating and cooling hub.

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.

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

Technical documents & videos

More from Mitsubishi Electric →

Official Mitsubishi Electric manual

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

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

Full Specifications

Cooling Capacity42,000 BTU
Recommended Room Size95-150 m²
Energy RatingA++
Smart HomeMELCloud, Amazon Alexa, Google Assistant
Noise Level—
CategoryMulti-Split System AC
SKUME-MXZ6F122VF

Physical dimensions

Exact dimensions for this model are being confirmed with Mitsubishi Electric — ask us and we will send the cut sheet with mounting and clearance figures.

Description

The Mitsubishi Electric MXZ-6F122VF is a flagship six-port residential and commercial multi-split outdoor condenser providing an expansive 12.2kW cooling capacity and 14.0kW of heating power. Operating with R32 refrigerant, this heavy-duty unit centralises heating and cooling for up to six separate rooms or office suites into one compact, high-performance outdoor station. It leverages Mitsubishi Electric's latest inverter scroll compressor technology to deliver top-tier efficiency, silent operation, and immediate thermodynamic response. Long total piping allowances of up to 80 metres offer broad flexibility for multi-floor British installations where indoor air handlers are situated far from exterior mounting points. The system is fully compatible with the MELCloud app platform when paired with optional Wi-Fi interfaces, allowing building managers and homeowners to oversee every zone remotely via iOS or Android devices. With robust weatherproofing, built-in defrost cycles, and low standby power draw, this unit represents an elite multi-split heating and cooling hub.

Compare similar units

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

Cooling Capacity
42,000 BTU
42,000 BTU
41,600 BTU
42,500 BTU
Room Size
95-150 m²
Up to 130m² across 5 zones
Up to 140m²
100-140 m²
Energy Rating
A++
A++
A+
A++
Heating Capable
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Smart Home
MELCloud, Amazon Alexa, Google Assistant
Amazon Alexa, Google Home, Tuya/SmartLife
Amazon Alexa, Google Home
MELCloud, Modbus, BACnet
Stock
In Stock
In Stock
In Stock
In Stock
Price inc VAT
£3,343.28
£1,522.39
£4,885.00
£4,104.48

Common questions about the Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW

How many BTU is the Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW?

The Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW has a cooling capacity of 42,000 BTU, suitable for 95-150 m².

What room size is the Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW suitable for?

The Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW is recommended for rooms 95-150 m².

Can I install the Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW 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 Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW smart-home compatible?

Yes — the Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW supports MELCloud, Amazon Alexa, Google Assistant for app and voice control.

How long does delivery of the Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW 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.

Annual energy savings estimate

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

This unit

341 kWh/yr

EER 13

Standard model

554 kWh/yr

EER 8

Est. saving

£57.52

213 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (42,000 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 14 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£2831

This AC / season

£944

You save / season

£1887

~67% less electricity

Heating methodElectricity / seasonCost / seasonEfficiencySummer cooling
This heat-pump AC3495 kWh£944Up to 300%
Plug-in electric heater10485 kWh£2831100%
Electric storage heater10485 kWh£2831100%

Heat output estimated from this unit's 47,700 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 £944/season to heat a room vs £2831 for an electric heater - that's £1887 saved. https://stockool.store/products/mitsubishi-electric-mxz-6f122vf-six-port-multi-split-outdoor-unit

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