Daikin FDXM25F3 Concealed Ceiling Unit
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The Daikin FDXM25F3 is a premium concealed ceiling unit designed for discreet climate control in residential or light commercial spaces. By hiding the main unit within a ceiling void of just 240mm, only the sleek suction and discharge grilles remain visible, maintaining the aesthetic integrity of your interior design. This unit is highly efficient, offering excellent seasonal performance for both cooling and heating. It is ideal for modern homes, offices, or retail environments where a minimalist look is required without compromising on comfort. The system features advanced inverter technology to ensure quiet operation and precise temperature management. With its compact dimensions and flexible installation options, it is a versatile solution for complex room layouts. The unit supports smart control integration, allowing you to manage your indoor climate via smartphone apps, ensuring your space is perfectly conditioned before you arrive. It is a reliable, energy-efficient choice for those seeking high-performance air conditioning that blends seamlessly into any room.
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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 →Official Daikin manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Air Conditioning Catalogue
Daikin catalogue — open the official flipbook in a new tab.
Split Catalogue
Daikin catalogue — open the official flipbook in a new tab.
Full Specifications
Description
The Daikin FDXM25F3 is a premium concealed ceiling unit designed for discreet climate control in residential or light commercial spaces. By hiding the main unit within a ceiling void of just 240mm, only the sleek suction and discharge grilles remain visible, maintaining the aesthetic integrity of your interior design. This unit is highly efficient, offering excellent seasonal performance for both cooling and heating. It is ideal for modern homes, offices, or retail environments where a minimalist look is required without compromising on comfort. The system features advanced inverter technology to ensure quiet operation and precise temperature management. With its compact dimensions and flexible installation options, it is a versatile solution for complex room layouts. The unit supports smart control integration, allowing you to manage your indoor climate via smartphone apps, ensuring your space is perfectly conditioned before you arrive. It is a reliable, energy-efficient choice for those seeking high-performance air conditioning that blends seamlessly into any room.
Compare similar units
Side-by-side specs for other ceiling cassettes in a similar BTU range.
Common questions about the Daikin FDXM25F3 Concealed Ceiling Unit
How many BTU is the Daikin FDXM25F3 Concealed Ceiling Unit?
The Daikin FDXM25F3 Concealed Ceiling Unit has a cooling capacity of 8,500 BTU, suitable for Up to 25m².
What room size is the Daikin FDXM25F3 Concealed Ceiling Unit suitable for?
The Daikin FDXM25F3 Concealed Ceiling Unit is recommended for rooms Up to 25m².
Can I install the Daikin FDXM25F3 Concealed Ceiling 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 Daikin FDXM25F3 Concealed Ceiling Unit smart-home compatible?
Yes — the Daikin FDXM25F3 Concealed Ceiling Unit supports Amazon Alexa, Google Home for app and voice control.
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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
69 kWh/yr
EER 13
Standard model
112 kWh/yr
EER 8
Est. saving
£11.64
43 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (8,500 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 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£605
This AC / season
£202
You save / season
£404
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 747 kWh | £202 | Up to 300% | |
| Plug-in electric heater | 2242 kWh | £605 | 100% | |
| Electric storage heater | 2242 kWh | £605 | 100% |
Heat output estimated from this unit's 10,200 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 →
Share your savings
This heat-pump AC costs only £202/season to heat a room vs £605 for an electric heater - that's £404 saved. https://stockool.store/products/daikin-fdxm25f3-concealed-ceiling-unit
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