Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
The Haier 4.0kW 2-port multi-split outdoor unit is an ideal choice for smaller homes or apartments where space is at a premium but comfort is a priority. This compact unit allows you to connect two indoor units to a single outdoor compressor, providing efficient cooling and heating for two separate rooms simultaneously. It is perfect for a master bedroom and a home office setup, ensuring both spaces remain at your preferred temperature throughout the year. Engineered with Haier's signature inverter technology, the system adjusts its output to match the cooling or heating demand, resulting in whisper-quiet operation and excellent energy efficiency. The use of R32 refrigerant ensures compliance with modern environmental standards. This unit is a reliable, space-saving solution for UK homeowners looking to upgrade their climate control without the clutter of multiple outdoor units. Its durable construction is built to withstand the British climate, providing year-round comfort with minimal maintenance requirements.
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 Haier →Official Haier 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 Haier — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Haier 4.0kW 2-port multi-split outdoor unit is an ideal choice for smaller homes or apartments where space is at a premium but comfort is a priority. This compact unit allows you to connect two indoor units to a single outdoor compressor, providing efficient cooling and heating for two separate rooms simultaneously. It is perfect for a master bedroom and a home office setup, ensuring both spaces remain at your preferred temperature throughout the year. Engineered with Haier's signature inverter technology, the system adjusts its output to match the cooling or heating demand, resulting in whisper-quiet operation and excellent energy efficiency. The use of R32 refrigerant ensures compliance with modern environmental standards. This unit is a reliable, space-saving solution for UK homeowners looking to upgrade their climate control without the clutter of multiple outdoor units. Its durable construction is built to withstand the British climate, providing year-round comfort with minimal maintenance requirements.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
Common questions about the Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port
How many BTU is the Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port?
The Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port has a cooling capacity of 13,650 BTU, suitable for Up to 40m².
What room size is the Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port suitable for?
The Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port is recommended for rooms Up to 40m².
Can I install the Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-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 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port smart-home compatible?
Yes — the Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port supports Google Home, Amazon Alexa for app and voice control.
How long does delivery of the Haier 4.0kW Multi-Split Outdoor AC Unit (R32) 2-Port 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
111 kWh/yr
EER 13
Standard model
180 kWh/yr
EER 8
Est. saving
£18.70
69 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (13,650 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 4 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£890
This AC / season
£297
You save / season
£593
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1099 kWh | £297 | Up to 300% | |
| Plug-in electric heater | 3297 kWh | £890 | 100% | |
| Electric storage heater | 3297 kWh | £890 | 100% |
Heat output estimated from this unit's 15,000 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 £297/season to heat a room vs £890 for an electric heater - that's £593 saved. https://stockool.store/products/haier-4kw-multi-split-outdoor-unit-2-port
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