Domain Air Conditioner Review 

Solar Choice is not affiliated with Domain or any other manufacturer and provides independent, unbiased guidance for Australian consumers.

At a Glance: Domain Inverter Split-System Air Conditioners — Score 2.9 out of 5

Domain scores 2.9 out of 5 on the Solar Choice Air Conditioner Brand Scorecard, reflecting budget-focused pricing, basic inverter technology, and a relatively limited warranty compared with many competing split-system brands.

Brand Reputation & Reliability — 3 / 5

Domain is an Australian appliance brand founded in 2004, positioned in the entry-level to lower mid-range segment of the air-conditioning market. Domain focuses on affordable, everyday air-conditioning solutions rather than premium systems or specialist HVAC development.

Australian Presence & Support Infrastructure — 3.5 / 5

Domain operates locally in Victoria, Australia and supplies air conditioners through its own online store and retail channels, with a spare parts warehouse in Victoria. Systems are installed by licensed technicians, with warranty support managed domestically.

Warranty Strength & Transparency — 2.5 / 5

Domain split-system air conditioners are covered by a 3-year parts and labour warranty for residential use. While the warranty terms are clearly outlined and easy to understand, the coverage period is shorter than most competing split-system air conditioners in the Australian market.

Innovation & Smart Technology Ecosystem — 3 / 5

Includes inverter technology and standard comfort features such as multiple operating modes and airflow control. Wi-Fi control is available via an optional add-on module rather than being built in as standard.

Customer Satisfaction & Review Consistency — 2.5 / 5

There is limited long-term customer review data available for Domain air conditioners. Feedback where available is mostly positive, and tends to focus on its affordability and basic performance. 

Overall

Overall, Domain air conditioners sit in the budget to lower mid-range segment of the Australian split-system market. The brand prioritises low upfront pricing and essential inverter performance over extended warranties, advanced smart features, or premium brand positioning.

Company Background

Domain is an Australian appliance brand offering split-system air conditioners alongside a broader range of household products, with over 2 decades of experience in Australia. Its air-conditioning range is positioned as practical, inverter-driven solutions for everyday residential heating and cooling rather than specialist HVAC systems.

In Australia, Domain systems are sold through the brand’s online store and selected retail channels, with installation by licensed technicians and warranty support managed locally. Overall, Domain maintains a modest presence in the residential market, focusing on competitive pricing and essential performance over premium features.

If you’re new to comparing air-conditioning brands, it can help to read this review alongside Solar Choice’s general guides to air conditioning and reverse-cycle systems.

Air Conditioner Range, Efficiency & Performance

Domain split systems are wall-mounted, reverse-cycle air conditioners available in capacities ranging from 2.6 kW to 7.2 kW. Designed to provide both heating and cooling, the range covers common room sizes from small bedrooms to larger living areas.

Domain split systems use inverter technology to run more smoothly and efficiently, and R32 refrigerant to help reduce energy use compared with older systems.

Key Features

• Reverse-cycle heating and cooling

• DC inverter compressor technology

• Multiple operating modes (cool, heat, fan, dry)

• 3D air delivery with adjustable louvres

• R32 refrigerant

• Optional Wi-Fi control module (sold separately)

Domain — Model Comparison

Model	Cooling / Heating Capacity	Energy Efficiency (Average Climate)	Indoor Noise Range	How It Compares
ISR26Q	2.6 / 3.3 kW	4.5★ Cool / 3.0★ Heat	54 (high) dB	Best suited to small bedrooms and studies, offering solid efficiency.
ISR35Q	3.5 / 3.6 kW	4.0★ Cool / 3.0★ Heat	54 (high) dB	Practical option for medium bedrooms or compact living areas.
ISR52P	5.2 / 5.3 kW	3.5★ Cool / 2.5★ Heat	31 – 49 dB	Designed for larger living rooms where airflow coverage matters more than low noise.
ISR72P	7.2 / 7.3 kW	3.5★ Cool / 2.5★ Heat	36 – 54 dB	Highest-capacity model for large open-plan spaces; noise levels increase under load.

How Much Does a Domain Air Conditioner Cost?

Domain air conditioners are priced at the lower end of the split-system market, with unit-only pricing clearly listed on the manufacturer’s website. Current prices (excluding installation) are:

• 2.6 kW: $899

• 3.5 kW: $999

• 5.2 kW: $1,299

• 7.2 kW: $1,599

Installed pricing varies depending on installation complexity, location and installer rates. This excludes rebates you may be eligible for through state schemes like the NSW Energy Savings Scheme, VIC Energy Upgrade Discount and the SA RePS Scheme.

Domain Air Conditioner Warranty (Australia)

Domain offers a 3-year parts and labour on-site warranty on its wall-mounted split-system air conditioners for residential use. The warranty period begins from the date of purchase and applies when the system is installed by a licensed technician.

What the warranty covers

The warranty covers faults caused by defective materials or workmanship during the warranty period. If a fault occurs, Domain will repair or replace the affected components through an authorised service technician. Both the indoor and outdoor units are covered under the warranty.

Key conditions

To keep the warranty valid:

• The system must be installed by a licensed technician

• Installation must follow Domain’s installation guidelines

• The unit must be used for normal residential heating and cooling

• Basic maintenance is required, such as cleaning filters and keeping airflow clear

Summary

Domain’s warranty is clear and easy to understand, but relatively short and limited compared with many competing split-system air conditioners in the Australian market. As with most systems, correct installation and basic upkeep are required to maintain coverage.

Pros & Cons

Pros	Cons
Competitive upfront pricing	Shorter warranty than many competitors
Covers common Australian room sizes with a compact range	Spare parts warehouse is exclusive to Victoria
Easy to operate with familiar controls and modes	Limited long-term review data

Final Verdict

Domain split-system air conditioners are best suited to budget-conscious households looking for basic inverter heating and cooling at a low upfront cost. The range covers common room sizes and includes the essential features most users need for everyday comfort.

Shorter warranty coverage, optional smart functionality, and limited long-term performance data mean Domain may be less appealing for buyers seeking extended support or premium features. Overall, Domain represents a practical entry-level option rather than a long-term premium investment.