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Daikin FDXM35F3 Concealed Ceiling Unit
Daikin

Daikin FDXM35F3 Concealed Ceiling Unit

In StockEnergy A+
£1,575.000

Trade pricing available — apply or sign in for your trade rate

Dispatched in 3-5 working days
UK-Wide Delivery
Free UK mainland delivery on in-stock units

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.

1

Need it installed?

We'll match you with a local HVAC engineer.

Smart-home ready

Connects natively with the systems below — control by app or voice.

Amazon AlexaGoogle Home
  • Free UK mainland delivery on in-stock units
  • Manufacturer warranty included
  • 14-day returns

Technical documents & videos

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Full Specifications

Cooling Capacity12,000 BTU
Recommended Room SizeUp to 35m²
Energy RatingA+
Smart HomeAmazon Alexa, Google Home
Noise Level—
CategoryCeiling Cassettes
SKUFDXM35F3V1B

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.

Cooling Capacity
12,000 BTU
12,000 BTU
12,000 BTU
12,000 BTU
Room Size
Up to 35m²
Up to 35m²
Up to 35m²
30-40m2
Energy Rating
A+
A++
A++
A++
Heating Capable
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Smart Home
Amazon Alexa, Google Home
Samsung SmartThings
Amazon Alexa, Google Home
Google Assistant, Amazon Alexa
Stock
In Stock
In Stock
In Stock
Pre-Order
Price inc VAT
£1,575.00
£1,365.00
£1,800.00
£1,268.66

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.

Annual 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 methodElectricity / seasonCost / seasonEfficiencySummer cooling
This heat-pump AC996 kWh£269Up to 300%
Plug-in electric heater2989 kWh£807100%
Electric storage heater2989 kWh£807100%

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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