Fujitsu General

Fujitsu Comfort 5kW Split System

Model ASTH18KNTA

The 5 kW size of the Fujitsu Comfort Split, suiting roughly 32 to 40 square metres as a guide. We confirm sizing from your details and photos before quoting.

Part of the Fujitsu Comfort Split range, Fujitsu General's split system line, in 6 sizes. Running costs below use the Sydney median rate; the Eastern Suburbs and Western Sydney pages cost systems on their own network tariffs. Check the size against your rooms, compare it with other 5 kW options, or ask about supply and installation.

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Energy efficiencyRegistered: AOTH18KNTA/ASTH18KNTA
3.5 starsCooling ratingSydney climate zone
2.5 starsHeating ratingSydney climate zone
410 kWhCooling energy / yearabout $118 at the Sydney median rate
662 kWhHeating energy / yearabout $191 at the Sydney median rate
3.46AEERACOP 3.90
What it costs to run

About $309 a year at the current Sydney median electricity rate: $118 of cooling plus $191 of heating, from the official GEMS test figures.

The Fujitsu Comfort 5kW uses 410 kWh annually for cooling and 662 kWh annually for heating, based on official GEMS testing for Sydney's climate zone. These figures account for typical usage patterns in Sydney and allow you to calculate running costs using your local electricity rate. The system achieves a cooling efficiency rating of 3.5 stars and a heating efficiency rating of 2.5 stars under the zoned energy labelling scheme.

The Fujitsu Comfort 5kW has a rated cooling coefficient of performance (AEER) of 3.46 and a heating coefficient of performance (ACOP) of 3.90. It uses R32 refrigerant. Your actual energy consumption will depend on how often you run the system, the temperatures you set, and your home's insulation and sealing.

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

The details

Specifications

From the manufacturer’s published range data. We confirm the exact configuration when we quote.

About the Fujitsu Comfort Split range
BrandFujitsu General
ModelASTH18KNTA
SeriesFujitsu Comfort Split
System typeSplit System
Capacity5 kW
RefrigerantR32
Warranty5 year parts & labour