
Mitsubishi Electric MXZ-6F122VF Six-Port Multi-Split Inverter Outdoor Unit 12.2kW
Available to order — dispatched on the lead time shown below.
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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.
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 Mitsubishi Electric →Official Mitsubishi Electric 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 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.
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.
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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
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 method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 3495 kWh | £944 | Up to 300% | |
| Plug-in electric heater | 10485 kWh | £2831 | 100% | |
| Electric storage heater | 10485 kWh | £2831 | 100% |
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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