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Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port

In StockEnergy A++

£5,040.000

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

Dispatched in 3-5 working days

UK-Wide Delivery

Free UK mainland delivery on in-stock units

Retail prices include VAT.

The Haier 12.5kW 5-port multi-split outdoor unit is the ultimate solution for large residential or light commercial properties requiring climate control across multiple rooms. Designed for versatility, this powerful outdoor unit supports up to five indoor units, allowing for independent temperature management in bedrooms, living areas, or offices. By using a single outdoor compressor, you save significant exterior space while maintaining high efficiency. This unit utilises R32 refrigerant, which is more environmentally friendly and offers superior performance compared to older alternatives. It is fully compatible with a wide range of Haier indoor units, including wall mounts, cassettes, and ducted systems. Whether you are looking to cool your home during a heatwave or provide efficient heating during the winter months, this robust system delivers consistent, reliable comfort. Its advanced inverter technology ensures quiet operation and reduced energy consumption, making it a cost-effective choice for long-term climate control in the UK market.

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.

Smart guide

Google HomeAmazon Alexa

Free UK mainland delivery on in-stock units
Manufacturer warranty included
14-day returns

Cooling Capacity

42,650 BTU

Energy Rating

A++

Recommended Room

Up to 120m²

Technical documents & videos

Official Haier manual

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

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

Full Specifications

Cooling Capacity42,650 BTU

Recommended Room SizeUp to 120m²

Energy RatingA++

Smart HomeGoogle Home, Amazon Alexa

Noise Level—

CategoryMulti-Split System AC

SKU5U125S2SS5FA

Physical dimensions

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

Description

Compare similar units

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

This Unit

Haier

Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port

Mitsubishi Electric

Mitsubishi Electric City Multi PUMY-SP112VKM Mini VRF Multi-Split Heat Pump 12.5kW

AUX

AUX Free Match AM5-H42/4DR3 12.0kW Five-Port Multi Split Outdoor Unit

Mitsubishi Electric

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

Cooling Capacity

42,650 BTU

42,500 BTU

42,000 BTU

Room Size

Up to 120m²

100-140 m²

Up to 130m² across 5 zones

95-150 m²

Energy Rating

A++

Heating Capable

Yes (heat pump)

Smart Home

Google Home, Amazon Alexa

MELCloud, Modbus, BACnet

Amazon Alexa, Google Home, Tuya/SmartLife

MELCloud, Amazon Alexa, Google Assistant

Stock

In Stock

Price inc VAT

£5,040.00

£4,104.48

£1,522.39

£3,343.28

Common questions about the Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port

How many BTU is the Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port?

The Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port has a cooling capacity of 42,650 BTU, suitable for Up to 120m².

What room size is the Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port suitable for?

The Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port is recommended for rooms Up to 120m².

Can I install the Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port 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 Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port smart-home compatible?

Yes — the Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port supports Google Home, Amazon Alexa for app and voice control.

How long does delivery of the Haier 12.5kW Multi-Split Outdoor AC Unit (R32) 5-Port take?

This unit is dispatched in 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.

Electricity tariff (£/kWh)Hours per dayCooling months/year

This unit

346 kWh/yr

EER 13

Standard model

563 kWh/yr

EER 8

Est. saving

£58.41

216 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (42,650 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 13 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£2730

This AC / season

£910

You save / season

£1820

~67% less electricity

Heating method	Electricity / season	Cost / season	Efficiency
This heat-pump AC	3370 kWh	£910	Up to 300%
Plug-in electric heater	10111 kWh	£2730	100%
Electric storage heater	10111 kWh	£2730	100%

Heat output estimated from this unit's 46,000 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 £910/season to heat a room vs £2730 for an electric heater - that's £1820 saved. https://stockool.store/products/haier-12-5kw-multi-split-outdoor-unit

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