Licensed Actron Air technicians servicing Australian homes and businesses. Every model — Serene split systems, Advance & ECOFLEX ducted, MultiElite multi-room, and Cascade cassette. Same-day service. Upfront pricing. Call 1300 019 320.
Serene, Advance, MultiElite, ECOFLEX & Cascade
Available in most service areas
OEM-approved replacement components
1300 019 320 — always available
On every installation and repair
Actron Air — trading as ActronAir — is one of Australia's most respected air conditioning brands and one of the very few manufacturers that designs, engineers, and assembles its ducted systems right here in Australia. Based in Western Sydney since 1971, ActronAir builds systems that are specifically calibrated for Australian climate extremes — from the scorching 50°C summers of outback Queensland to the below-freezing winter mornings of alpine Victoria and the humidity of tropical Darwin.
What makes ActronAir genuinely different is their extraordinary operating range. The Serene Series 2 split system operates from -25°C to 60°C outside — a market-leading range that means the system continues cooling and heating reliably when most imported brands throttle down or shut off. The flagship MultiElite ducted system operates from -25°C to 50°C. This is not a marketing claim — it is the reason Actron is the trusted brand of choice for homes and businesses in Australia's harshest climates.
At WTFix Air, our technicians are experienced across the complete ActronAir range — Serene split systems, Advance and ECOFLEX ducted, MultiElite multi-room systems, Cascade cassettes, and the full range of NEO, QUE, and AIRES controllers. We understand ActronAir's unique E-code fault system, Individual Zoning technology, and ducted system architecture for accurate diagnosis and effective repairs.
Designed and assembled in Western Sydney since 1971 — one of the only air conditioning brands genuinely built for Australian conditions by Australians
Serene Series 2 operates from -25°C to 60°C outside — the widest operating range of any residential split system available in Australia
The Serene Series 2 2.65kW achieves a 7-star energy rating — the highest available for residential split systems in Australia
ActronAir's industry-leading Individual Zoning technology allows each zone in a ducted system to be individually temperature controlled — not just opened or closed
Zone Controller app, NEO and QUE touchscreen controllers, voice assistant compatibility — Actron's smart control ecosystem is the most advanced in the Australian market
5-year parts and labour warranty across the residential range — backed by Australian-based engineering, parts supply, and technical support
We install, service, and repair the complete ActronAir range — from the market-leading Serene Series 2 split system to the flagship ECOFLEX ducted system and Cascade commercial cassette.
Market-Leading Split System
The ActronAir Serene Series 2 is Actron's flagship residential split system — and one of the most capable split systems available in Australia. Its headline achievement is the 2.65kW model's 7-star energy rating, the highest available for any residential split system in the country. The entire range operates from -25°C to 60°C outside — meaning the Serene keeps working in extreme Australian heat long after comparable imported systems shut down. Features include I-Clean self-cleaning, UVC Light Technology, Follow Me, and Boost Mode. Available from 2.65kW to 9.0kW.
Most Advanced Ducted System
The ActronAir ECOFLEX is Actron's most advanced and energy-efficient ducted air conditioning system — and their flagship for the modern Australian home. The ECOFLEX combines Individual Zoning technology (independent temperature control per zone, not just open/close), wireless sensing points, and Actron's QUE smart controller for the most sophisticated whole-home climate management available. Operates from -20°C to 52°C outside. Compatible with voice assistants and the Zone Controller app.
Whole-Home Ducted Air Conditioning
The ActronAir Advance is Actron's energy-efficient ducted system designed for the typical Australian home — delivering powerful, reliable whole-home heating and cooling with multi-zone control via the NEO controller. Available in single-phase and three-phase configurations from 8kW to 17.4kW, the Advance suits new builds, major renovations, and homes replacing older ducted systems. Compatible with the Zone Controller app and voice assistant control.
Multi-Room — One Outdoor Unit
The ActronAir MultiElite connects multiple indoor units to a single outdoor compressor — providing independent heating and cooling across multiple rooms with a market-leading operating range of -25°C to 50°C outside. Indoor units can be a mix of wall-mounted Serene split systems, Cascade cassettes, and AIRES slim ducted units. The MultiElite is the ideal solution for apartments, townhouses, and commercial spaces needing multi-zone comfort without a full ducted installation.
Space-Saving Slim Ducted System
The ActronAir AIRES is a space-saving slim-profile ducted system designed for homes and apartments with limited ceiling cavity depth. Its slimline indoor unit installs in tight roof spaces where standard ducted indoor units cannot fit — making it the perfect solution for renovations, apartments, and homes with shallow ceiling cavities. Compatible with the AIRES analogue controller and the Zone Controller app for remote management.
Four-Way Inverter Cassette System
The ActronAir Cascade is a four-way ceiling cassette inverter system — sitting flush with the ceiling and distributing conditioned air in four directions simultaneously for even, draught-free coverage of open-plan areas. Compatible with MultiElite outdoor units for multi-room configurations. The preferred solution for commercial offices, retail spaces, open-plan living areas, and hospitality venues where wall-mounted units are not practical.
ActronAir's Australian engineering has produced technologies that are genuinely ahead of the market — from Individual Zoning to wireless sensing and the widest operating range of any residential system available in Australia.
ActronAir Serene Series 2 operates from -25°C to 60°C outside — a market-leading range that ensures the system delivers full heating and cooling performance even in Australia's most extreme climate conditions. While imported brands throttle output or shut down in extreme heat above 45°C or cold below -15°C, the Serene keeps performing. This is why ActronAir is the preferred brand for homes in outback and alpine regions.
ActronAir's Individual Zoning is the most advanced zoning technology available in an Australian ducted system. Unlike standard zone control that simply opens or closes dampers, Individual Zoning maintains a set temperature independently in each zone — the system modulates compressor output and damper positions to deliver the precise temperature set in each room simultaneously. Available on the ECOFLEX system with the QUE controller.
ActronAir's wireless sensing points are small wireless temperature sensors that can be placed anywhere in a room — on a bedside table, a desk, or a wall — providing the ducted system with real room temperature data rather than relying on the return air sensor in the ceiling. This allows the system to condition rooms to the actual temperature where people are, not where the sensor happens to be located in the ceiling.
ActronAir's NEO and QUE are Australia's most advanced residential ducted air conditioning controllers. Both feature full-colour touchscreen displays, seven-day programming, zone control, and compatibility with the Zone Controller smartphone app for remote control from anywhere. The QUE controller adds Individual Zoning capability and wireless sensing point integration for the ECOFLEX system. Both support Google Assistant and Amazon Alexa voice control.
The ActronAir Serene Series 2 features I-Clean — a self-cleaning function that periodically cleans the evaporator coil to maintain air quality and system efficiency. Select models also include UVC Light Technology, which uses ultraviolet-C light inside the indoor unit to inhibit bacteria and mould growth on the coil and filter — reducing microbial contamination of the air circulated through your home.
ActronAir uses Direct Current (DC) inverter technology in the compressor, indoor fan, and outdoor fan of the Serene Series 2 — not just the compressor alone as in many standard inverter systems. DC inverter technology in all three key components delivers significantly better energy efficiency, quieter operation, faster temperature reach, and longer component life compared to single-component inverter systems.
Installation, annual servicing, and same-day repair for every ActronAir model — Serene split systems to ECOFLEX whole-home ducted systems.
Expert supply and installation of the complete ActronAir range — Serene Series 2 split systems, Advance and ECOFLEX ducted, AIRES slim ducted, MultiElite multi-room, and Cascade ceiling cassette systems. All installations include load calculation, optimal positioning, duct design, licensed refrigerant and electrical work, controller programming, and full system commissioning.
Annual ActronAir servicing maintains your 5-year warranty, keeps the ducted or split system performing at peak efficiency, prevents costly breakdowns, and preserves indoor air quality. Our comprehensive Actron service covers filters, evaporator and condenser coils, condensate drain, refrigerant circuit, controller calibration, zone motor check, and all electrical connections.
Fast, accurate diagnosis and repair of all ActronAir E-code faults across every model and controller type — NEO, QUE, AIRES, and L-Series. Our technicians carry ActronAir-specific diagnostic equipment and a comprehensive stock of genuine and OEM-approved ActronAir replacement parts, completing most repairs in a single same-day visit.
Our technicians diagnose and repair every ActronAir fault — from a ducted system not reaching temperature to E-code faults, zone motor failures, refrigerant issues, and controller problems.
ActronAir ducted systems display error codes on the NEO, QUE, AIRES, or L-Series wall controller when the system's self-diagnosis detects a fault. ActronAir split systems display fault codes on the indoor unit's LED indicators. Error codes are prefixed with E — for example, E3 (sensor fault), E6 (discharge temperature), E9 (low pressure), and E10 (high pressure). The table below covers the most common ActronAir error codes across both ducted and split system models. Always call a licensed technician for accurate diagnosis — most E-codes have multiple possible underlying causes, and resetting without addressing the fault will cause the code to return.
| Error Code | Fault Description | Action Required |
|---|---|---|
| E3 | Sensor fault — indoor temperature or coil sensor abnormality | Sensor check and replacement — licensed technician required |
| E6 | High discharge temperature — low refrigerant or compressor issue | Refrigerant leak check and compressor inspection |
| E7 | Outdoor coil sensor fault | Outdoor coil sensor diagnosis and replacement |
| E8 | Discharge sensor fault | Discharge temperature sensor check and replacement |
| E9 | Low pressure fault — low refrigerant or system restriction | Refrigerant leak check and system pressure inspection |
| E10 | High pressure fault — refrigerant or airflow restriction | Coil cleaning, refrigerant check, and fan inspection |
| Zone fault | Zone motor fault — zone not responding or stuck open/closed | Zone motor diagnosis and replacement if required |
| Controller comms | Communication fault — controller to indoor unit | Check data cable wiring — professional diagnosis required |
| Split LED flash | Indoor unit LED fault — PCB or fan motor fault | Indoor PCB and fan motor diagnosis by licensed technician |
| High static | Excessive static pressure — ductwork restriction or fan fault | Ductwork inspection, filter clean, and fan check |
If your ActronAir ducted system runs for longer than usual without achieving the set temperature in one or more zones, this typically indicates a low refrigerant charge, a dirty evaporator coil, a zone motor not fully opening, or a ductwork restriction. In ducted systems, partial faults are often zone-specific — identifying the affected zone early saves significant repair cost.
An E-code displayed on your ActronAir NEO or QUE controller means the self-diagnosis has detected a specific fault. Do not reset and ignore — E6, E9, and E10 in particular indicate refrigerant and pressure conditions that will cause compressor damage if the system continues running. Call us for accurate diagnosis before the fault worsens.
If certain zones in an ActronAir ducted system are not conditioning adequately while others perform normally, this often indicates a failed zone motor, a damaged zone damper, a blocked duct, or an imbalance in the system's self-learn airflow calibration. Zone-specific faults are common in ducted systems and straightforward to diagnose and fix when addressed early.
Water dripping through the ceiling from an ActronAir ducted system indicates a blocked condensate drain or P-trap, a failed condensate pump, or a frozen evaporator coil causing overflow from the drain pan. Ducted system water leaks can cause significant ceiling and plasterboard damage very quickly — this should be treated as an urgent repair requiring same-day attention.
A NEO or QUE controller that is frozen on one screen, displaying a blank panel, or responding slowly to input indicates a software fault, a failed controller display, a communication fault in the data cable between the controller and indoor unit, or a PCB issue. Controller faults are diagnosed quickly by an experienced Actron technician and most are resolved in a single visit.
ActronAir recommends annual professional servicing to maintain your 5-year warranty and keep the system performing at peak efficiency. Ducted systems in particular accumulate dust in ducts, on coils, and in zone dampers — annual cleaning prevents the airflow restriction that leads to high pressure faults (E10), reduced capacity, and compressor stress. Book before the summer season for best availability.
Our technicians have hands-on experience across the full ActronAir range — Serene split systems, Advance, ECOFLEX, and AIRES ducted, MultiElite multi-room, and Cascade cassette. We understand ActronAir's E-code fault system, NEO/QUE controller architecture, and Individual Zoning technology.
Serene Series 2, Advance, ECOFLEX, AIRES, MultiElite, and Cascade — we install, service, and repair the complete ActronAir residential and commercial range across all controller types including NEO, QUE, AIRES, and L-Series.
Same-day repair available in most service areas. We carry genuine and OEM-approved ActronAir replacement parts including zone motors, sensors, PCBs, and controllers — completing most E-code faults and zone issues in a single visit.
Clear itemised quotes before work begins. No hidden call-out charges. No surprise invoice items. The price we quote is the price you pay — every time, without exception.
Every ActronAir installation and repair is backed by our workmanship guarantee. If our work causes an issue, we return and fix it at no additional cost — no conditions, no exceptions.
Our emergency line is open around the clock. For urgent ActronAir ducted or split system faults during summer or winter — call 1300 019 320 any time.
Everything you need to know about Actron Air installation, servicing, error codes, zoning, and repair in Australia.
Yes — ActronAir is one of the very few air conditioning manufacturers that designs and assembles its ducted systems in Australia. Based in Western Sydney since 1971, ActronAir's ducted systems are engineered and built specifically for Australian climate conditions — which is a key reason their operating range, zoning technology, and extreme-heat performance are superior to many imported brands. Their split systems use components manufactured in partnership with Japanese technology partners.
The ActronAir ECOFLEX is Actron's most advanced and energy-efficient ducted system — featuring Individual Zoning (true independent temperature control per zone), wireless sensing points for accurate room-level temperature measurement, and the QUE smart controller with full app and voice assistant integration. The Advance is Actron's reliable whole-home ducted system for the typical Australian home — with multi-zone control via the NEO controller, excellent energy efficiency, and a slightly lower price point. For maximum comfort and smart home integration, choose the ECOFLEX. For reliable whole-home performance at a more accessible price, the Advance is an excellent choice.
E9 on an ActronAir NEO or QUE controller indicates a low pressure fault — the refrigerant pressure in the system has dropped below the minimum safe operating level. This almost always indicates a refrigerant leak. The system should be turned off immediately and not operated until a licensed technician has inspected the refrigerant circuit — continuing to run a system with low refrigerant causes compressor damage that can be very expensive to repair. Call us on 1300 019 320 for a same-day diagnosis.
ActronAir Individual Zoning — available on the ECOFLEX system with the QUE controller — goes beyond standard zone control. Standard ducted zoning simply opens or closes dampers to allow or block airflow into zones, with the system always running at the same output. Individual Zoning modulates both the compressor output and the damper positions simultaneously to maintain a specific set temperature independently in each active zone. Wireless sensing points placed in each room provide accurate temperature data, allowing the system to condition each room to its individual set point at the same time — a genuinely different outcome from standard zoning.
ActronAir recommends annual professional servicing for ducted systems to maintain warranty validity and peak performance. Ducted systems accumulate dust in duct networks, on evaporator coils, and in zone dampers more rapidly than split systems — and an annual service prevents the airflow restriction that causes high pressure faults, reduced capacity, and zone motor strain. For high-use commercial or year-round residential systems, twice-yearly servicing is advisable. Return air filters should be checked and cleaned by the user every 6 to 8 weeks.
Common causes include a low refrigerant charge from a refrigerant leak, a dirty outdoor coil restricting heat absorption, a defrost cycle running more frequently than normal in very cold conditions, one or more zones stuck closed preventing airflow, or a reversing valve fault. If the system is running but the home is not warming adequately, check that all zone dampers are open and the controller is set to heating mode. If the issue persists, call us on 1300 019 320 — we treat winter heating faults as priority callouts.
Yes — we supply, install, service, and repair the complete ActronAir range, including Serene Series 2 split systems, Advance and ECOFLEX ducted systems, AIRES slim ducted, MultiElite multi-room systems, and Cascade ceiling cassettes. We provide free in-home assessments and written installation quotes with no obligation. For ducted system installations we provide a full duct design, load calculation, and zone layout as part of the quote process. Call 1300 019 320 or book online today.
ActronAir offers a 5-year parts and labour warranty across its residential range — one of the strongest warranties available in the Australian air conditioning market. The warranty covers manufacturing defects in parts and labour for repair or replacement. To maintain warranty validity, the system must be installed by a licensed refrigeration technician and serviced annually by a qualified professional. We provide a written service record after every annual service to support your warranty documentation. Contact us for details specific to your model.
Free in-home assessments • Free installation quotes • All Actron Air models serviced • Same-day repairs • 24-hour emergency line. WTFix Air — your trusted Actron Air specialists.