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LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20)
LG

LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20)

In StockEnergy A++

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

£1,630.99

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

Dispatched in 2-3 working 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.

The LG CT18F.NQ0 compact 4-way ceiling cassette delivers 5.0kW (18,000 BTU) of ultra-efficient climate control, engineered specifically to fit into standard European 600x600mm suspended ceiling grids. Paired with the robust UUB1.U20 outdoor inverter condensing unit, this system provides 4-way independent vane air distribution, eliminating hot and cold spots across open-plan offices, boutique retail premises, and meeting spaces. Powered by energy-efficient R32 refrigerant, the unit achieves an impressive A++ seasonal efficiency rating while maintaining quiet indoor acoustics. Built-in condensate pump and optional LG ThinQ Wi-Fi smart control integration give building managers and property owners complete temperature oversight from a smartphone or voice assistants including Google Assistant and Amazon Alexa. Delivering powerful reverse-cycle heat pump warmth during winter and rapid cooling throughout summer, it represents a versatile, commercial-grade comfort solution for modern UK workplaces.

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

More from LG →
All LG catalogues and rangesMissing a document? Ask our team and we will send it over.

Full Specifications

Cooling Capacity18,000 BTU
Recommended Room SizeUp to 50m²
Energy RatingA++
Smart HomeAmazon Alexa, Google Home
Noise Level—
CategoryCeiling Cassettes
SKUCT18F-NQ0-UUB1-U20

Physical dimensions

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

Description

The LG CT18F.NQ0 compact 4-way ceiling cassette delivers 5.0kW (18,000 BTU) of ultra-efficient climate control, engineered specifically to fit into standard European 600x600mm suspended ceiling grids. Paired with the robust UUB1.U20 outdoor inverter condensing unit, this system provides 4-way independent vane air distribution, eliminating hot and cold spots across open-plan offices, boutique retail premises, and meeting spaces. Powered by energy-efficient R32 refrigerant, the unit achieves an impressive A++ seasonal efficiency rating while maintaining quiet indoor acoustics. Built-in condensate pump and optional LG ThinQ Wi-Fi smart control integration give building managers and property owners complete temperature oversight from a smartphone or voice assistants including Google Assistant and Amazon Alexa. Delivering powerful reverse-cycle heat pump warmth during winter and rapid cooling throughout summer, it represents a versatile, commercial-grade comfort solution for modern UK workplaces.

Compare similar units

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

Cooling Capacity
18,000 BTU
18,000 BTU
18,000 BTU
18,000 BTU
Room Size
Up to 50m²
Up to 45m²
Up to 50m²
50-65 sqm
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
Tuya/SmartLife
Tuya/SmartLife
Swegon WISE, BACnet, Modbus
Stock
In Stock
In Stock
In Stock
Pre-Order
Price inc VAT
£1,630.99
£1,455.00
£1,525.00
£2,164.18

Common questions about the LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20)

How many BTU is the LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20)?

The LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) has a cooling capacity of 18,000 BTU, suitable for Up to 50m².

What room size is the LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) suitable for?

The LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) is recommended for rooms Up to 50m².

Can I install the LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) 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 LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) smart-home compatible?

Yes — the LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) supports Amazon Alexa, Google Home for app and voice control.

How long does delivery of the LG 5.0kW Compact 4-Way Ceiling Cassette System (CT18F.NQ0 / UUB1.U20) take?

This unit is dispatched in 2-3 working 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.

This unit

146 kWh/yr

EER 13

Standard model

237 kWh/yr

EER 8

Est. saving

£24.65

91 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (18,000 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 6 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£1175

This AC / season

£392

You save / season

£783

~67% less electricity

Heating methodElectricity / seasonCost / seasonEfficiencySummer cooling
This heat-pump AC1451 kWh£392Up to 300%
Plug-in electric heater4352 kWh£1175100%
Electric storage heater4352 kWh£1175100%

Heat output estimated from this unit's 19,800 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 £392/season to heat a room vs £1175 for an electric heater - that's £783 saved. https://stockool.store/products/lg-ct18f-nq0-5-0kw-compact-ceiling-cassette

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