Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms)
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
The Daikin 2MXM40A9 is a compact and efficient multi-split outdoor unit, perfect for smaller residential setups requiring two-room climate control. This model is specifically designed to offer high performance in a small footprint, making it an excellent choice for apartments or smaller houses where outdoor space is limited. It utilises R32 refrigerant to provide an eco-friendly and energy-efficient solution for both cooling and heating. With independent control for each indoor unit, you can ensure that your bedroom is cool at night while your living room remains at a comfortable temperature during the day. The unit’s quiet operation ensures that your home environment remains undisturbed, while its smart connectivity allows for easy management via your smartphone. This system is a reliable, long-term investment for any homeowner looking to improve their indoor air quality and comfort. Professional installation by an F-Gas certified technician is required for all split-system installations.
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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 Daikin →Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Daikin — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Daikin 2MXM40A9 is a compact and efficient multi-split outdoor unit, perfect for smaller residential setups requiring two-room climate control. This model is specifically designed to offer high performance in a small footprint, making it an excellent choice for apartments or smaller houses where outdoor space is limited. It utilises R32 refrigerant to provide an eco-friendly and energy-efficient solution for both cooling and heating. With independent control for each indoor unit, you can ensure that your bedroom is cool at night while your living room remains at a comfortable temperature during the day. The unit’s quiet operation ensures that your home environment remains undisturbed, while its smart connectivity allows for easy management via your smartphone. This system is a reliable, long-term investment for any homeowner looking to improve their indoor air quality and comfort. Professional installation by an F-Gas certified technician is required for all split-system installations.
Compare similar units
Side-by-side specs for other multi-split system ac in a similar BTU range.
Common questions about the Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms)
How many BTU is the Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms)?
The Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) has a cooling capacity of 13,000 BTU, suitable for Up to 35m² total.
What room size is the Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) suitable for?
The Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) is recommended for rooms Up to 35m² total.
Can I install the Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) 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 Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) smart-home compatible?
Yes — the Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) supports Amazon Alexa, Google Home for app and voice control.
How long does delivery of the Daikin 2MXM40A9 Multi-Split Outdoor Unit (2 Rooms) 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
106 kWh/yr
EER 13
Standard model
171 kWh/yr
EER 8
Est. saving
£17.80
66 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (13,000 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 4 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£831
This AC / season
£277
You save / season
£554
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1026 kWh | £277 | Up to 300% | |
| Plug-in electric heater | 3077 kWh | £831 | 100% | |
| Electric storage heater | 3077 kWh | £831 | 100% |
Heat output estimated from this unit's 14,000 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 £277/season to heat a room vs £831 for an electric heater - that's £554 saved. https://stockool.store/products/daikin-2mxm40a9-multi-split-outdoor-unit
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