Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit
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The Haier 2U50S2SM1FA is a versatile 5.0kW multi-split outdoor unit engineered to support up to two indoor units, making it perfect for medium-sized residential properties. By consolidating your cooling and heating needs into one outdoor system, you save valuable exterior space while benefiting from Haier's renowned inverter efficiency. This unit is designed to handle varying loads, ensuring that each connected room receives optimal comfort without unnecessary energy waste. It is fully compatible with a wide range of Haier indoor units, allowing for a bespoke installation that fits your home's aesthetic and functional requirements. With its quiet operation and durable construction, it is well-suited for UK climates, providing reliable heating and cooling throughout the year. The system is designed for seamless integration with smart home controls, allowing you to manage your indoor environment via the hOn app for ultimate convenience.
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 2U50S2SM1FA is a versatile 5.0kW multi-split outdoor unit engineered to support up to two indoor units, making it perfect for medium-sized residential properties. By consolidating your cooling and heating needs into one outdoor system, you save valuable exterior space while benefiting from Haier's renowned inverter efficiency. This unit is designed to handle varying loads, ensuring that each connected room receives optimal comfort without unnecessary energy waste. It is fully compatible with a wide range of Haier indoor units, allowing for a bespoke installation that fits your home's aesthetic and functional requirements. With its quiet operation and durable construction, it is well-suited for UK climates, providing reliable heating and cooling throughout the year. The system is designed for seamless integration with smart home controls, allowing you to manage your indoor environment via the hOn app for ultimate convenience.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
Common questions about the Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit
How many BTU is the Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit?
The Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit has a cooling capacity of 18,000 BTU, suitable for Up to 50m² total.
What room size is the Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit suitable for?
The Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit is recommended for rooms Up to 50m² total.
Can I install the Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit 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 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit smart-home compatible?
Yes — the Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit supports Google Home, Amazon Alexa for app and voice control.
How long does delivery of the Haier 2U50S2SM1FA 5.0kW Multi-Split Outdoor Unit 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
146 kWh/yr
EER 13
Standard model
237 kWh/yr
EER 8
Est. saving
£24.65
91 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 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 6 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1128
This AC / season
£376
You save / season
£752
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1392 kWh | £376 | Up to 300% | |
| Plug-in electric heater | 4176 kWh | £1128 | 100% | |
| Electric storage heater | 4176 kWh | £1128 | 100% |
Heat output estimated from this unit's 19,000 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 £376/season to heat a room vs £1128 for an electric heater - that's £752 saved. https://stockool.store/products/haier-2u50s2sm1fa-5kw-multi-split-outdoor-unit
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