
Daikin FDXM35F3 Concealed Ceiling Unit
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Retail prices include VAT.
The Daikin FDXM35F3 offers a powerful yet invisible climate control solution for medium-sized rooms. Engineered for installation in tight ceiling voids, this unit provides a clean, unobtrusive finish that suits high-end residential properties and professional office spaces. It delivers consistent, comfortable airflow while operating at whisper-quiet levels, making it perfect for bedrooms or quiet working environments. The unit is equipped with Daikin’s renowned inverter technology, which significantly reduces energy consumption compared to traditional systems, helping to lower your utility bills. Its ability to provide both heating and cooling makes it a year-round climate solution. Users can benefit from smart connectivity, allowing for remote monitoring and scheduling via mobile devices. This flexibility ensures that your environment is always at the optimal temperature. With its robust build quality and advanced filtration options, the FDXM35F3 is a long-term investment in comfort and air quality, providing a sophisticated alternative to wall-mounted units.
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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
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 FDXM35F3 offers a powerful yet invisible climate control solution for medium-sized rooms. Engineered for installation in tight ceiling voids, this unit provides a clean, unobtrusive finish that suits high-end residential properties and professional office spaces. It delivers consistent, comfortable airflow while operating at whisper-quiet levels, making it perfect for bedrooms or quiet working environments. The unit is equipped with Daikin’s renowned inverter technology, which significantly reduces energy consumption compared to traditional systems, helping to lower your utility bills. Its ability to provide both heating and cooling makes it a year-round climate solution. Users can benefit from smart connectivity, allowing for remote monitoring and scheduling via mobile devices. This flexibility ensures that your environment is always at the optimal temperature. With its robust build quality and advanced filtration options, the FDXM35F3 is a long-term investment in comfort and air quality, providing a sophisticated alternative to wall-mounted units.
Compare similar units
Side-by-side specs for other ceiling cassettes in a similar BTU range.
Common questions about the Daikin FDXM35F3 Concealed Ceiling Unit
How many BTU is the Daikin FDXM35F3 Concealed Ceiling Unit?
The Daikin FDXM35F3 Concealed Ceiling Unit has a cooling capacity of 12,000 BTU, suitable for Up to 35m².
What room size is the Daikin FDXM35F3 Concealed Ceiling Unit suitable for?
The Daikin FDXM35F3 Concealed Ceiling Unit is recommended for rooms Up to 35m².
Can I install the Daikin FDXM35F3 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 FDXM35F3 Concealed Ceiling Unit smart-home compatible?
Yes — the Daikin FDXM35F3 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
115 kWh/yr
EER 11
Standard model
158 kWh/yr
EER 8
Est. saving
£11.65
43 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (12,000 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
£807
This AC / season
£269
You save / season
£538
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 996 kWh | £269 | Up to 300% | |
| Plug-in electric heater | 2989 kWh | £807 | 100% | |
| Electric storage heater | 2989 kWh | £807 | 100% |
Heat output estimated from this unit's 13,600 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 £269/season to heat a room vs £807 for an electric heater - that's £538 saved. https://stockool.store/products/daikin-fdxm35f3-concealed-ceiling-unit
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