What’s the Best 2.5kW Split System in Australia?

When the air starts to buckle, you know it’s time to consider upgrading or installing a new air conditioning system.

And the kids will thank you for no longer walking around the house in just your jocks. Instead, save the money you would have spent on future therapy visits and invest in a high-quality split system air conditioner from Hello Breeze.

Split system air conditioners are the most popular for Aussie homes due to their efficiency, quiet operation, and year-round cooling and heating.

First, let’s make sure we’re on the same page about this type of system.

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What is a split system air conditioner?

A split system air conditioner uses liquid refrigerant to cool or heat the air. It comes in two separate parts.

An indoor unit is mounted on the wall inside your home, distributing air throughout the room. And, an outdoor compressor unit directs the refrigerant to and from the indoor unit. 

What’s the Best 2.5kW Split System in Australia?

What size split system do I need?

A 2.5kW split system is best suited to rooms up to 20m² — for example, a small bedroom, study, or kitchen.

If your room is larger than 20m², use this guide to help you choose suitable split system air conditioning installation.

Room sizeExampleCapacity 
From 20 to 40m2Bedroom with an ensuite, small lounge2.5 to 5kW
From 40 to 60m2Large bedroom, mid-sized lounge4 to 6kW
60m2 and aboveOpen-plan areas, large lounge5 to 9kW

If you have an extra-large space or want to heat and cool multiple rooms in your house, consider a ducted reverse cycle system.

Now, let’s crack on and compare the best 2.5kW split system air cons on the market in 2022.

The Best 2.5kW Split Systems in Australia

1.Mitsubishi Electric Reverse Cycle AP Series

The MSZ-AP Series 2.5kW split system by Mitsubishi Electric is engineered for uncompromising performance. Enjoy a whisper-quiet air conditioner and extra energy savings, with a streamlined design to complement any interior.

The Best 2.5kW Split Systems in Australia


Model: MSZ-AP25VGD-A1 / MUZ-AP25VG-A1

Cooling/Heating capacity: 2.5kW / 3.2kW

Noise Level:  18-19 dBA

Warranty: 5 years

Why You’ll Love It

✓ Whisper-quiet 

✓ Cooling star rating of 5.5

✓ High-speed heating and cooling, maintaining consistent temps

✓ Control the unit from your smart device

✓ A Dual Barrier Coating reduces dirt and dust build-up for cleaner air

✓ Switch off LEDs and beeps at night for a peaceful sleep
Visit the manufacturer’s website or our product page for more information.

2.Haier Split System Tempo Series

Haier’s Tempo 2.5 kW split system air conditioner harmonises utility and function. No need to get off the couch to change the settings. Simply operate the Wi-Fi air conditioner control through your home's smart speakers.

Haier Split System Tempo Series



Model Number: AS26TACHRA/1U26MACFRA

Cooling/Heating capacity: 2.5kW / 2.9kW

Noise Level:  32-39 dBA

Warranty: 5 years

Why You’ll Love It

✓ Intelligent airflow sends cool air upwards and warm air downwards—exactly where you need it; when you need it

✓ Self-cleaning technology freezes moist air in the evaporator, trapping dirt for dust and bacteria-free air

✓ A Smart Reminder notifies when it’s time to clean the filters

✓ Sleep Mode ensures ultimate comfort, so you’re not too hot or too cold at night

✓ Dry Mode adjusts the indoor fan motor speed automatically to achieve mild or strong dehumidification (perfect for Queenslanders)

Visit the manufacturer’s website or our product page for more information. 

3.Rinnai Reverse Cycle Q Series 

A Rinnai 2.5 kW split system Q Series is designed with our volatile climate in mind. This first-class air conditioner offers a sleek contemporary design, Wi-Fi control, quiet operation, and a self-cleaning function. 

Rinnai Reverse Cycle Q Series 


Model: HINRQ25B / HSNRQ25B

Cooling/Heating capacity: 2.5kW

Noise Level: 25-43 dBA

Warranty: 5 years

Why You’ll Love It

✓ The outdoor unit runs an anti-frost mode in below zero temps for high-performance heating

✓ Quickly heats and cools with outdoor temps ranging from -15°C right up to 52°C.

✓ 5-Star heating and cooling energy rating

✓ Delivers a cooling airflow up to 15 metres 

✓ A two-way temperature control mirrors outside ambient temperatures for a comfortable snooze

✓ Self-diagnosis capabilities

Visit the manufacturer’s website or our product page for more information.

4.Mitsubishi Heavy Industries AvantiPLUS® Series

The award-winning AvantiPlus MHI 2.5 kW split system offers a whisper-quiet unit and innovative functions. Enjoy an adjustable LED display, eco-operation, and motion detection for energy efficiency.

Mitsubishi Heavy Industries AvantiPLUS® Series



Cooling/Heating capacity: 2.5kW / 3.2kW

Noise Level: 19 - 39 dBA

Warranty: 5 years

Why You’ll Love It

✓ 3D Auto airflow distributes air evenly and effectively at the touch of a button

✓ An Allergen Clear system captures and eliminates pollen, lice, allergens and, odours

✓ Uses energy-efficient R32 refrigerant

✓ Optional Wi-Fi control and Wi-Fi adapter

✓ Minimum Energy Performance Standards (MEPS) compliant

Visit the manufacturer’s website or our product page for more information. 

5. Daikin Split System Cora Series

Daikin has thrown big bucks at research and development for almost a century to bring the ultimate in style and comfort to Aussie homes. Enjoy smart technologies, energy efficiency and world-leading performance, quality and reliability.

Daikin Split System Cora Series



Cooling/Heating capacity: 2.5kW / 3.2kW

Noise Level: 19-42 dBA

Warranty: 5 years

Why You’ll Love It

✓ 2-Area-Intelligent Eye sensor enables energy-saving when the room is unoccupied for 20 minutes

✓ Whisper-quiet

✓ Approved by the National Asthma Council Australia Sensitive Choice® program

✓ Louvres stream air upwards along the ceiling for longer throws, delivering rapid cooling and even temperature distribution

✓ You can set the room temperature in 0.5°C increments

✓  Intelligent Air Flow function automatically reduces humidity in the air — perfect for Queenslanders

Visit the manufacturer’s website for more information.

6.Samsung Reverse Cycle Bedarra Series

Samsung understands the harsh temps we have to tackle here in Oz. These little numbers can operate effectively when it’s up to 50 °C outside and as low as -15 °C. This Samsung 2.5 kW split system is Minimum Energy Performance Standards (MEPS) compliant.

Samsung Reverse Cycle Bedarra Series 2.5kw split system



Cooling/Heating capacity: 2.48kW - 3.24kW

Noise Level: 32-49 dBA

Warranty: 5 years 

Why You’ll Love It

✓ Energy-efficient cooling

✓ Reaches set temperature quickly

✓ Auto mode automatically heats or cools and easily maintains the set temp

✓ Demand Response Enabled Device (D.R.E.D.) helps limit power consumption during peak periods

✓ Good sleep mode adjusts the airflow direction and fan speed for a comfy snooze

See our product page for more Samsung product information.

7.Fujitsu Reverse Cycle Lifestyle Range

The Fujitsu 2.5 kW reverse cycle split system showcases world-class, market-leading performance and quality. For three years running, Fujitsu won the title as Aussies’ most trusted air conditioning brand. Through state-of-the-art research and development, Australia’s Favourite Air® brings us one of the best energy-efficient air conditioners on the market.

Fujitsu Reverse Cycle Lifestyle Range 2.5kw split system



Cooling/Heating capacity: 2.5kW - 3.2kW

Noise Level: 19-40 dBA

Warranty: 5 years 

Why You’ll Love It

✓ Detects human movement and adjust the temps accordingly to save power

✓ Reaches set temperature quickly

✓ Easy to use

✓ Compatible with the Air Conditioning Demand Response program (DRED)

✓ Washable Apple-Catechin Filter absorbs dust and allergens

✓ Long-life Ion Deodorisation Filter removes odours 

Find out more about our Fujitsu air conditioners here or from the manufacturer’s site.

How to get one?

Choose the best air conditioner for your space, then check out our split system air conditioning installation guide and super-easy booking process.

Or, if you want to chat to us about a 2.5kW split system price and specs in more detail, give us a jingle on 1300 712 732.

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