LG DualCool AI split system cooling a living room

2.5 kW

LG DUALCOOL AI 2.5kW Split System

Name: LG DUALCOOL AI 2.5kW Split System
Brand: LG

Model AS09S0N/AS09S0U

2.5 kW rated cooling (0.89 to 3.7 kW range) with 3.0 kW heating: the bedroom and study size of the Smart line, with Dual Inverter efficiency and AI Air control via ThinQ.

All LG DUALCOOL with AI Air sizes

2.5kW 3.5kW 4.8kW 7.1kW 8.5kW 9.4kW

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Energy efficiencyRegistered: AS09S0U / AS09S0N

4.5 starsCooling ratingSydney climate zone

2.5 starsHeating ratingSydney climate zone

170 kWhCooling energy / yearabout $59 at the Sydney median rate

373 kWhHeating energy / yearabout $129 at the Sydney median rate

4.32AEERACOP 4.33

What it costs to run

The LG DUALCOOL AI 2.5kW uses 170 kWh annually for cooling in Sydney's climate zone, based on official GEMS testing. It carries a 4.5-star energy rating for cooling efficiency. For heating, the system consumes 373 kWh per year and holds a 2.5-star rating. The unit's rated cooling efficiency (AEER) is 4.32, while its heating efficiency (ACOP) is 4.33.

Your running costs depend on Sydney's current electricity rates applied to these verified annual energy figures. The system uses R32 refrigerant and is tested to reflect typical usage patterns in Sydney's climate zone. Check the separate running-cost estimate tool on this page to see what your costs would be based on today's local rates.

Source: Australian GEMS registry · median of 170 Sydney residential tariffs · Refreshed monthly · Last updated June 2026

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