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Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit

In StockEnergy A++

Available to order — dispatched on the lead time shown below.

£917.910

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

3-5 business days

UK-Wide Delivery

Free UK mainland delivery on in-stock units

🇪🇺 EU Delivery available

Dispatched in 3–7 working days, then 5–10 working days EU transit

Orders under €150 ship VAT-paid at checkout (IOSS, no charges on delivery). Orders of €150 or more ship DDU — import VAT and customs duty are collected by the courier on delivery.

Retail prices include VAT.

Featuring an intelligent variable-speed brushless EC motor, the Aermec FCLI 42 ceiling cassette fan coil offers superior efficiency and thermal precision for medium-sized commercial spaces. Engineered for seamless insertion into standard European suspended ceiling grids, the compact fascia panel provides balanced four-way air dispersion with minimal draughts. The unit features wing-profile centrifugal fan blades fabricated from antistatic materials, drastically damping acoustic emissions during continuous operation. Maintenance is simplified through an easily accessible electrostatically pre-charged filter and an integrated automatic condensate lift pump. Engineered to interface seamlessly with modern hydronic heat generators, reversible chillers, and centralized building management frameworks via Aermec VMF protocols, the FCLI 42 is an exemplary choice for retail floors, modern studios, and corporate office spaces seeking low carbon footprint operation.

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.

Smart guide

BMS ModbusBACnetVMF System

Free UK mainland delivery on in-stock units
Manufacturer warranty included
14-day returns

Cooling Capacity

9,200 BTU

Energy Rating

A++

Recommended Room

20-30 m²

Technical documents & videos

Official Aermec manual

The manufacturer's PDF for this model is being sourced and will be downloadable here.

All Aermec catalogues and rangesMissing a document? Ask our team and we will send it over.

Full Specifications

Cooling Capacity9,200 BTU

Recommended Room Size20-30 m²

Energy RatingA++

Smart HomeBMS Modbus, BACnet, VMF System

Noise Level—

CategoryCeiling Cassettes

SKUAER-FCLI-42

Physical dimensions

Exact dimensions for this model are being confirmed with Aermec — ask us and we will send the cut sheet with mounting and clearance figures.

Description

Compare similar units

Side-by-side specs for other ceiling cassettes in a similar BTU range.

This Unit

Aermec

Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit

Aermec

Aermec FCL 42 Compact Ceiling Cassette Fan Coil Unit

FlaktGroup

FlaktGroup Compact Cassette 2.5kW

Panasonic

Panasonic S-25PY3E PACi NX Standard 2.5kW 60x60 4-Way Compact Ceiling Cassette

Cooling Capacity

9,200 BTU

9,000 BTU

Room Size

20-30 m²

20-25m2

15-25 m²

Energy Rating

A++

A+

A++

Heating Capable

Yes (heat pump)

Smart Home

BMS Modbus, BACnet, VMF System

BMS Modbus, VMF System

Google Assistant, Amazon Alexa

Panasonic Comfort Cloud, Amazon Alexa, Google Assistant

Stock

In Stock

Pre-Order

In Stock

Price inc VAT

£917.91

£776.12

£1,074.63

£1,462.69

Common questions about the Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit

How many BTU is the Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit?

The Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit has a cooling capacity of 9,200 BTU, suitable for 20-30 m².

What room size is the Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit suitable for?

The Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit is recommended for rooms 20-30 m².

Can I install the Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil 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 Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit smart-home compatible?

Yes — the Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit supports BMS Modbus, BACnet, VMF System for app and voice control.

How long does delivery of the Aermec FCLI 42 Inverter Ceiling Cassette Fan Coil Unit take?

This unit is 3-5 business days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.

Annual energy savings estimate

How much this A++-rated unit could save versus a standard C-rated model, based on your usage.

Electricity tariff (£/kWh)Hours per dayCooling months/year

This unit

75 kWh/yr

EER 13

Standard model

121 kWh/yr

EER 8

Est. saving

£12.60

47 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (9,200 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

£647

This AC / season

£216

You save / season

£431

~67% less electricity

Heating method	Electricity / season	Cost / season	Efficiency
This heat-pump AC	799 kWh	£216	Up to 300%
Plug-in electric heater	2396 kWh	£647	100%
Electric storage heater	2396 kWh	£647	100%

Heat output estimated from this unit's 10,900 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 £216/season to heat a room vs £647 for an electric heater - that's £431 saved. https://stockool.store/products/aermec-fcli-42-inverter-ceiling-cassette-fan-coil-unit

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