LG Air Conditioning Review

Style and smart features at a sharper price

LG's air conditioning arm benefits from the same design and app investment as its televisions and appliances — and undercuts the premium Japanese brands on price.

LG builds its own inverter compressors — its Dual Inverter design underpins the current ranges and is backed by long compressor-specific warranties in many markets — and the day-to-day experience is polished: the ThinQ app is among the better manufacturer apps, and the Artcool range is arguably the most striking-looking wall unit you can buy, with mirrored and gallery-style fascias. Efficiency on current R32 models is competitive for the price, though the very best Japanese premium units still hold an edge in seasonal figures and low-speed quietness. In the UK LG usually backs the Dual Inverter compressor with a 10-year parts warranty when the system is registered and professionally installed — longer than most value-tier rivals offer on the one component most likely to fail, which takes some of the sting out of buying below the premium tier.

Strengths

• Design: Artcool's mirror and gallery finishes turn the unit into a feature rather than an eyesore.
• Smart control: mature app experience with scheduling, energy monitoring and voice assistant support.
• Price: typically the most affordable route to a big-brand wall split, leaving budget for a better installation.
• Compressor pedigree: LG's in-house Dual Inverter compressors are well proven and often carry long compressor warranties.

Considerations

• Efficiency ceiling: competitive, but the premium Japanese tier still posts the class-leading seasonal figures.
• Installer mindshare: fewer UK domestic installers specialise in LG than in Daikin or Mitsubishi Electric, so ask your installer about their experience with the brand and parts access.
• Range naming: model families overlap; make sure your quote states the exact model and its efficiency rating.

Who LG suits

LG is a smart choice when budget matters but you still want a global brand with proper app control and parts support — rental properties, spare bedrooms, garden offices and first-time buyers of air conditioning all fit the profile. The Artcool earns its place in design-led living rooms where a standard white unit would jar. If the unit will run all day every day, or overnight in a bedroom where every decibel counts, weigh the running-cost and noise advantages of the premium tier before deciding.

Running costs in 2026

As an air-to-air heat pump, an LG split cools in summer and heats through the shoulder months, so its running costs track the price of electricity. Under the Ofgem price cap that works out at about 26p per kWh — 26.11p to the end of September 2026, then 26.32p from 1 October, when the headline dual-fuel cap rises around 4% to £1,723 a year and the electricity standing charge eases to 54.83p per day. Because current LG models achieve a SCOP of roughly 3.5–4, each unit of electricity delivers three to four units of heat, making a modern LG split markedly cheaper to run than a plug-in electric heater. In cooling mode it is also a low-power appliance — once the room is up to temperature a 2.5 kW living-room unit draws far less than its grille rating suggests.

Installer accreditation and warranty

LG systems in the UK are installed through the professional channel; warranty terms of around 3–5 years are typical, often with longer cover on the compressor itself, subject to registration and annual servicing. Ask your installer to confirm the exact terms in writing. Refrigerant handling legally requires F-Gas certification — every engineer we match you with is vetted and F-Gas certified.

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