Daikin FFA25A/RXM25R9 2.5kW 9,000btu Fully Flat Ceiling Cassette
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The Daikin FFA25A/RXM25R9 is a premium 9,000 BTU fully flat ceiling cassette designed to integrate seamlessly into standard 600x600mm ceiling grids. This unit is perfect for offices, retail spaces, or high-end residential rooms where aesthetics are paramount. Featuring Daikin's advanced R-32 Bluevolution technology, it offers exceptional energy efficiency and a reduced environmental footprint. The unit provides both cooling and heating, making it a versatile year-round climate control solution. With its whisper-quiet operation and intelligent airflow control, it ensures maximum comfort without disruption. The system includes a built-in drain pump for flexible installation and supports optional Wi-Fi control, allowing you to manage your indoor climate remotely via smartphone. This unit is a professional-grade split system that requires expert installation by an F-Gas qualified technician to ensure optimal performance and safety.
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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
Downloads & specs
More from Daikin →Manufacturer instructions
The Daikin FFA25A/RXM25R9 system must be installed exclusively by an F-GAS certified professional in strict accordance with local regulations and Daikin’s official documentation. The indoor unit is designed for recessed ceiling mounting within a 600x600 grid. Installation requires careful preparation of the ceiling space, secure mounting of the cassette chassis, and professional connection of refrigerant piping and electrical wiring. The system utilizes R32 refrigerant, which requires specific handling protocols. Before first power-on, the installer must perform a leak test, evacuate the system, and verify all electrical connections. Users should refer to the provided paper installation manual for site-specific requirements and access the digital installer reference guide on the Daikin website for detailed technical data and advanced configuration steps. Always ensure the unit is serviced by qualified personnel to maintain safety and warranty compliance.
Fixed units must be installed by a qualified F-gas engineer. Find an installer — we'll match you with a local HVAC professional.
Installer and user reference guide
Official Daikin PDF — download or print before your unit arrives.
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.
Explore Daikin
Brand history, full catalogue range and all Daikin brochures.
Full Specifications
Description
The Daikin FFA25A/RXM25R9 is a premium 9,000 BTU fully flat ceiling cassette designed to integrate seamlessly into standard 600x600mm ceiling grids. This unit is perfect for offices, retail spaces, or high-end residential rooms where aesthetics are paramount. Featuring Daikin's advanced R-32 Bluevolution technology, it offers exceptional energy efficiency and a reduced environmental footprint. The unit provides both cooling and heating, making it a versatile year-round climate control solution. With its whisper-quiet operation and intelligent airflow control, it ensures maximum comfort without disruption. The system includes a built-in drain pump for flexible installation and supports optional Wi-Fi control, allowing you to manage your indoor climate remotely via smartphone. This unit is a professional-grade split system that requires expert installation by an F-Gas qualified technician to ensure optimal performance and safety.
Compare similar units
Side-by-side specs for other ceiling cassettes in a similar BTU range.
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Daikin
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
73 kWh/yr
EER 13
Standard model
119 kWh/yr
EER 8
Est. saving
£12.33
46 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (9,000 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 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£653
This AC / season
£218
You save / season
£435
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 806 kWh | £218 | Up to 300% | |
| Plug-in electric heater | 2418 kWh | £653 | 100% | |
| Electric storage heater | 2418 kWh | £653 | 100% |
Heat output estimated from this unit's 11,000 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 →
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