Daikin 3MXM52A9 Multi-Split Outdoor Unit
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The Daikin 3MXM52A9 is a robust, three-port multi-split outdoor unit engineered for larger residential applications where individual climate control is required across three separate rooms. This powerful inverter heat pump allows for the connection of up to three indoor units, which can be controlled independently to suit the specific needs of each space. With seasonal efficiency ratings reaching A+++ for cooling and A++ for heating, it is one of the most energy-efficient solutions available for UK homeowners. The unit is designed to operate seamlessly in the UK climate, providing reliable heating even when temperatures drop. Its intelligent inverter technology continuously adjusts compressor speed to match demand, preventing energy waste and maintaining a stable, comfortable environment. Ideal for multi-room setups, this system offers the flexibility to mix and match indoor unit styles, such as wall-mounted units or concealed ceiling units, ensuring your air conditioning system integrates perfectly with your home's interior design.
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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
Specifications
Description
The Daikin 3MXM52A9 is a robust, three-port multi-split outdoor unit engineered for larger residential applications where individual climate control is required across three separate rooms. This powerful inverter heat pump allows for the connection of up to three indoor units, which can be controlled independently to suit the specific needs of each space. With seasonal efficiency ratings reaching A+++ for cooling and A++ for heating, it is one of the most energy-efficient solutions available for UK homeowners. The unit is designed to operate seamlessly in the UK climate, providing reliable heating even when temperatures drop. Its intelligent inverter technology continuously adjusts compressor speed to match demand, preventing energy waste and maintaining a stable, comfortable environment. Ideal for multi-room setups, this system offers the flexibility to mix and match indoor unit styles, such as wall-mounted units or concealed ceiling units, ensuring your air conditioning system integrates perfectly with your home's interior design.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 7 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1377
This AC / season
£459
You save / season
£918
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1700 kWh | £459 | Up to 300% | |
| Plug-in electric heater | 5100 kWh | £1377 | 100% | |
| Electric storage heater | 5100 kWh | £1377 | 100% |
Heat output estimated from this unit's 23,200 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 →
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