Ducted Air Conditioning Installation QLD 2026 - Get Free Quotes

Why Ducted Air Conditioning Installation Matters in QLD

Ducted air conditioning is the most comprehensive way to cool a Queensland home, and it is also the most involved to install, so the decision to fit it, and the choice of installer, both deserve real thought. A ducted system conditions the whole house from a single central unit, delivering even, quiet comfort to every room rather than cooling one space at a time. For a household that wants the whole home comfortable, it is the system that delivers it.

Because a ducted system is a whole-home installation, the quality of the design and the installation matters more than with a single split. A ducted system has to be sized correctly for the house, the ductwork has to be run and insulated properly through the roof space, the zoning has to be set up to match how the household lives, and the refrigerant and electrical work has to be done by the right licensed trades. Get those right and the system is a quiet, comfortable, efficient asset. Get them wrong and the home has spent a great deal of money on a system that struggles, runs noisily, or costs too much to operate.

The Queensland climate sharpens all of this. The long, humid summers place a sustained demand on a cooling system, and the roof space that houses a ducted system and its ducts becomes intensely hot, which means the way the ducts are insulated and the system is designed has a direct effect on how well it performs. A ducted system designed with the Queensland conditions genuinely in mind is a different proposition from one specified without that thought.

This guide works through the whole picture, from how ducted air conditioning works and whether a home suits it, through sizing, zoning, the trades and licensing involved, and what a fair quote looks like. Ducted air conditioning also works hand in hand with the rest of a home's building envelope, and a home with good ceiling and wall insulation places a smaller load on a ducted system, so the two are best considered together.

How Ducted Air Conditioning Works

A ducted air conditioning system works on the same basic refrigeration principle as a split system, but it distributes the conditioned air very differently. At the heart of the system is a central indoor unit, usually installed in the roof space, paired with an outdoor condenser. The indoor unit conditions the air, and instead of delivering it into a single room, it pushes it into a network of ducts.

Those ducts run through the roof space and carry the cooled, or in reverse-cycle mode warmed, air to outlets set discreetly into the ceiling of each room. The air is delivered evenly through these outlets, and a return air grille, typically in a central location such as a hallway, draws room air back to the central unit through a filter, where it is conditioned again and recirculated. The result is a continuous, balanced flow that conditions the whole home.

The system is controlled through a central controller, and in a zoned system, motorised dampers in the ducts allow different parts of the home to be turned on and off independently. From the household's point of view, ducted air conditioning is almost invisible: there are no wall-mounted units, only neat ceiling outlets and a controller, and the noise of the equipment is largely confined to the roof space and the outdoor unit. A ducted system handles cooling and heating but not the extraction of moisture from wet areas, which is a separate matter covered under exhaust fan installation. That discreet, whole-home comfort is the central appeal of ducted.

Ducted Versus Split Systems

The choice between ducted and split system air conditioning is one of the bigger decisions a homeowner makes, and there is no single right answer, because the two suit different needs. A split system cools a single room or open-plan zone, and several splits or a multi-head system can cover a handful of rooms, all covered in detail on the dedicated air conditioning installation guide. Ducted conditions the whole home from one system.

Ducted has clear advantages where whole-home comfort is the goal. It is discreet, with no wall units, it delivers even comfort throughout the house, it is quiet inside the rooms, and with zoning it can be operated efficiently. Its trade-offs are the higher upfront cost, the need for adequate roof space, and the fact that it is a more involved installation. A split system, by contrast, is cheaper to install, simpler, and well suited to cooling specific rooms rather than the whole house.

The decision comes down to how the home is used and the budget. A household that wants the whole home comfortable, that is building or renovating, or that values the clean look of ducted, is well served by it. A household that only needs a few rooms cooled, or that wants a lower upfront spend, is often better served by splits. A good installer will lay out both honestly rather than steering automatically toward the larger system, and the right choice is the one that matches the home and the way the household lives in it.

Is Your Home Suited to Ducted

Not every home is straightforward to fit with ducted air conditioning, and establishing whether a home suits it is one of the first things a good installer does. The central requirement is roof space. A ducted system needs somewhere to house the indoor unit and enough room to run the ducts to every outlet, and a home with a generous roof cavity is well suited to it.

A home with a low-pitch roof, or a cramped or heavily obstructed roof space, is more difficult. It does not always rule ducted out, but it can mean the installation is more involved, the duct routing is constrained, or bulkheads, dropped sections of ceiling, are needed to carry ducts where the roof space cannot. These solutions are workable but they add cost and affect the design, which is why the roof space has to be assessed honestly before a ducted system is recommended.

The construction and layout of the home matter too. A single-storey home with an accessible roof space is the most straightforward, while a two-storey home is more involved, since conditioned air has to reach the lower floor. The age of the home is also relevant, because an older home may bring considerations such as the roof structure and, in homes of a certain age, the question of asbestos in ceiling materials. An installer who assesses all of this gives a homeowner a realistic picture of whether ducted suits the home and what it will genuinely involve.

Sizing a Ducted System

Sizing is the most important technical decision in a ducted installation, and because a ducted system conditions a whole home, getting the sizing right is both more complex and more consequential than for a single split. Capacity is measured in kilowatts, and the system has to be matched to the cooling and heating load of the house.

A proper sizing exercise is a calculation, not a rule of thumb. It accounts for the floor area, the ceiling heights, the orientation of the home, the amount and type of glazing, the standard of the insulation, the way the rooms are used and, importantly, the zoning. Because a zoned system does not run every outlet at once, it can often be sized to serve the zones that will be in use together rather than the entire home simultaneously, which is part of how zoning makes ducted practical.

The consequences of poor sizing are real. An undersized system cannot keep the home comfortable on the hottest Queensland afternoons, while an oversized one short-cycles, manages humidity poorly and costs more to run. A homeowner can help the outcome by improving the building first, since better ceiling and wall insulation and double glazed windows reduce the load and can allow a smaller, cheaper system. A quote for a ducted system given without a proper assessment of the home is a guess, and sizing is exactly the kind of thing that guess gets wrong.

Zoning Explained

Zoning is the feature that makes ducted air conditioning practical and economical in a Queensland home, and it is worth understanding well. Without zoning, a ducted system conditions the whole house whenever it runs, which is wasteful when a household is only using part of the home. Zoning divides the house into separately controllable areas.

The mechanism is straightforward. Motorised dampers fitted in the ducts open and close to direct conditioned air to the zones that are switched on, so a household can, for instance, cool the living areas during the day and the bedrooms at night, without conditioning the rooms that are empty. The zones are set out at the design stage to match how the home is used, with bedrooms, living areas and other parts of the house grouped sensibly.

The benefits are both comfort and cost. Zoning lets different parts of the home be set to suit how they are used, and it cuts running costs by not conditioning empty rooms. It also interacts with the sizing, since a system can be designed around the zones in use together rather than the whole home at once. For a homeowner the practical guidance is to think carefully, with the installer, about how the household actually lives, because well-designed zoning is one of the biggest factors in a ducted system that is comfortable and affordable to run.

The Roof Space and QLD Heat

A ducted system lives largely in the roof space, and in Queensland that roof space gets extremely hot. On a hot day the cavity under a Queensland roof can reach temperatures well above the conditions outside, and that has a direct bearing on how a ducted system is designed and how well it performs, because the indoor unit and all the ductwork sit in that heat.

The ductwork is the key concern. Ducts carrying cooled air through an intensely hot roof space will lose some of that coolness along the way unless they are well insulated, so the quality and integrity of the duct insulation directly affects how much cooling actually reaches the rooms. Well-insulated, properly sealed ductwork delivers the conditioned air efficiently, while poor or damaged duct insulation wastes capacity and money. This is one of the points where the quality of an installation genuinely shows.

The condition of the roof space more broadly matters too. A roof space that is well insulated at ceiling level, and adequately ventilated, is a better environment for a ducted system, because the system is not fighting heat radiating down from an uninsulated ceiling, and improving airflow through roof ventilation can reduce the extreme heat the ductwork sits in. A homeowner installing ducted is well served by thinking about the whole roof space, the insulation, the ventilation and the ductwork together, rather than the air conditioning alone.

Ductwork and Outlets

The ductwork is the part of a ducted system the homeowner never sees, and it is also where a great deal of the installation quality lies. The ducts carry the conditioned air from the central unit to every outlet, and they have to be sized, routed and sealed correctly so the air reaches each room at the right volume and the right temperature.

Good ductwork is planned, not improvised. The duct sizes and the layout are designed so that air is distributed evenly, the runs are kept as efficient as the roof space allows, and the joins are properly sealed so conditioned air is not lost into the roof cavity. The insulation around the ducts, as the previous section explained, is essential in the Queensland heat. Ductwork that is poorly sized, badly routed, leaky or thinly insulated will leave some rooms underserved and waste capacity.

The outlets and the return air complete the picture. The supply outlets in the ceilings deliver the conditioned air, and they are placed to distribute it well across each room, while the return air grille draws room air back to the central unit through a filter to be conditioned again. The return air filter is important both for the air quality and for protecting the system, and it is the part of a ducted system the homeowner most needs to keep clean. A well-designed arrangement of ducts, outlets and return air is what makes a ducted system feel even and quiet throughout the home.

The Outdoor and Indoor Units

A ducted system has two main units, and where each goes is part of the design. The indoor unit, which conditions the air and drives it into the ducts, is most commonly installed in the roof space, positioned where it can be reached for servicing and where the duct runs from it are sensible. In some homes it may sit elsewhere, but the roof space is the usual location, and access to it for future servicing is a real consideration.

The outdoor unit, the condenser, sits outside the home, and its placement follows similar principles to any air conditioning condenser. It needs clear airflow around it so it can reject heat efficiently, it should be sited with consideration for noise to the household and the neighbours, and it needs to be accessible for servicing. A condenser jammed into a tight, poorly ventilated spot will work harder than it should.

For homes in the northern parts of Queensland, the outdoor unit also has to be fixed appropriately for the cyclone wind region, a point this guide returns to. For a homeowner the practical takeaway is that the placement of both units is a genuine design decision, not an afterthought, and a good installer discusses where each will go, why, and how the outdoor unit will be secured, rather than simply putting them wherever is quickest.

ARC Licensing and Refrigerant

A ducted air conditioning system contains refrigerant, and the handling of that refrigerant is regulated nationally. Any technician who installs, commissions, services or removes equipment that contains refrigerant must hold a Refrigerant Handling Licence from the Australian Refrigeration Council, while a business that buys and handles refrigerant requires a Refrigerant Trading Authorisation.

This requirement is not optional and it is not a state matter. The licensing scheme operates under Commonwealth law administered through the ARC, and it applies in Queensland exactly as it does across Australia. A ducted installation involves charging the system with refrigerant and commissioning the refrigerant circuit, all of which is work that must be carried out by an ARC-licensed technician.

A sensible step is to confirm the licensing before the work begins. A reputable ducted air conditioning business will hold the relevant ARC credentials and will confirm them without hesitation. Correct refrigerant handling also matters for the system itself, because a system charged with the wrong amount of refrigerant will not perform to its rating, so the licence protects both the environment and the homeowner's substantial investment. The Australian Refrigeration Council publishes details of the scheme, and a public licence check, at ARCtick.

Electrical Work and Licensing

A ducted system also involves electrical work, and that is the second regulated trade in the installation. The system has to be connected to the home's electrical supply, and in Queensland that connection is electrical work that must be carried out by a person holding an electrical work licence, with electrical contracting carried out by a licensed electrical contractor. This is set out in the Electrical Safety Act 2002.

The electrical side of a ducted installation is more substantial than for a single split. A ducted system is a larger load, and it is generally hard-wired on a dedicated circuit, so the home's switchboard has to be able to take it. In an older home the existing switchboard may not have the capacity or a spare way for the new circuit, and the installer or electrician may identify the need for a switchboard upgrade before the system can be connected.

Licensed electrical work in Queensland comes with its own documentation. For prescribed electrical work, the electrical contractor is required to provide a Certificate of Testing and Compliance, recording that the work was tested and is electrically safe, and a homeowner should expect that paperwork as part of a properly completed ducted installation. Where existing wiring is found to be aged or substandard, a licensed electrician can investigate through electrical fault finding, and information on electrical licensing in Queensland is published by WorkSafe Queensland.

QBCC Licensing

Ducted air conditioning is a substantial installation, and it sits within the building licensing framework administered by the Queensland Building and Construction Commission. The QBCC licenses building work in Queensland, and it operates licence classes that cover mechanical services and refrigeration and air conditioning work, so a ducted installation generally falls within that framework.

As a general principle, building work in Queensland above a set value threshold must be carried out by an appropriately licensed contractor, and a ducted air conditioning installation, being a significant project, sits firmly within that. The sensible habit for a homeowner is to verify rather than assume. The QBCC maintains a public register where a homeowner can confirm that a contractor holds a current licence in the relevant class before engaging them.

Using a properly licensed contractor matters beyond compliance. Licensed building work in Queensland can carry statutory insurance protections, and a homeowner who engages an unlicensed operator to keep the price down may forfeit cover they did not realise they had, while the QBCC also handles dispute resolution where building work goes wrong. Given the size of the spend on a ducted system, confirming the licence on the register at the QBCC before work starts is a sensible and straightforward protection.

Energy Efficiency and Running Costs

A ducted system conditions a whole home, so it is naturally a larger energy user than a single split, and understanding the running costs is part of the decision. The cost to run a ducted system depends on the efficiency of the equipment, how well the home holds its conditioned air, how the system is used and the price of electricity. In Queensland most homes are supplied through Energex in the south-east and through Ergon Energy in regional areas.

Zoning is the single biggest lever on a ducted system's running cost. A zoned system that conditions only the rooms in use, rather than the whole house, uses far less energy than an unzoned one running everywhere at once, which is why well-designed zoning is so important. The efficiency of the equipment itself matters too, and new air conditioners carry the Zoned Energy Rating Label, which shows how a unit performs across climate zones, with the hot zone figures the ones to focus on for cooling in Queensland.

The building envelope is the other major factor. A ducted system in a poorly insulated, leaky home has to work far harder than the same system in a well-sealed, well-insulated one, so improving the envelope reduces both the size of system needed and the cost of running it. Pairing ducted air conditioning with good insulation, sealing and glazing, and using a ceiling fan installation to allow a higher set temperature, all keep the running cost down. Information on electricity supply is available from Energex and Ergon Energy.

Site Assessment and Design

A ducted air conditioning installation should always begin with a thorough site assessment and a proper design, and for a project of this size and cost, that groundwork is not optional. The assessing installer inspects the home, measures the rooms, examines the roof space, considers the construction and the orientation, and discusses with the household how they live in the home and what they want from the system.

From that assessment comes the design. The installer determines the system capacity through a load calculation, plans the zoning to match how the household uses the home, works out the duct routing and the outlet positions, and identifies where the indoor and outdoor units will go. The design also flags anything that affects the project, such as a difficult roof space that will need bulkheads, or a switchboard that needs upgrading first.

The value of a proper design is a system that genuinely fits the home. A ducted system designed carefully delivers even comfort, sensible zoning and efficient running, while a system specified hastily, without a real assessment, risks being the wrong size, poorly zoned or awkwardly routed. A homeowner should expect an installer to spend genuine time on the assessment and to explain the design, because that thinking is a large part of what separates a good ducted installation from a disappointing one.

The Installation Process Step by Step

A ducted air conditioning installation is a multi-day project, and it follows a clear sequence. It begins with the design and the preparation, with the system, the zoning and the routing all confirmed, and the equipment and materials on site. The installation then moves into the roof space, where the indoor unit is positioned and the ductwork is run to each planned outlet.

The outlets are cut into the ceilings and fitted, the return air grille is installed, and the ductwork is connected and sealed, with the duct insulation kept intact so the system performs in the heat of the roof space. The outdoor unit is mounted and secured in its planned position, and the refrigerant pipework is run between the indoor and outdoor units. The refrigerant circuit is evacuated and tested for leaks before the system is charged, a step a careful installer never rushes, and the licensed electrician completes the electrical connection and the zoning controls.

With the system mechanically and electrically complete, it is commissioned. The installer runs it, checks each zone and each outlet, confirms the airflow and the temperatures, and verifies the controls and the zoning operate correctly. The job finishes with a handover, where the installer shows the household how to use the controller and the zoning, explains the return air filter and its cleaning, and provides the documentation, including the electrical compliance certificate. Where ceiling outlets or bulkheads need finishing, a related trade such as plastering and gyprock repairs completes the surfaces.

Ducted in New Builds Versus Retrofit

Ducted air conditioning can be installed in a new home being built or retrofitted into an existing one, and the two situations differ in ways worth understanding. In a new build, the ducted system is designed in from the start, the ductwork is planned alongside the house, and the roof space and ceiling layout can accommodate it cleanly. This is the most straightforward way to fit ducted, and it is why it is so commonly specified in new homes.

Retrofitting ducted into an existing home is entirely possible, and very common, but it works within the home as it already is. The roof space has to accept the ductwork, the outlets have to be cut into existing ceilings, and where the roof space is tight, bulkheads may be needed to carry ducts. The age and construction of the home, including the roof structure and, in older homes, the question of asbestos in ceiling materials, all feed into a retrofit.

For a homeowner the practical guidance is that a retrofit is a normal and achievable project, but it benefits from a careful assessment of what the existing home allows. An installer experienced in retrofitting ducted into homes like the homeowner's will give a realistic picture of the routing, any bulkheads and the disruption involved. Where a home is being renovated, fitting or upgrading ducted as part of the wider work, alongside a renovation services project, can be the most efficient time to do it.

Outdoor Unit Placement and Cyclones

The outdoor condenser of a ducted system needs the same careful placement as any air conditioning condenser, and a little more besides given the size of the unit. It needs clear airflow so it can reject heat efficiently, since a condenser starved of air works harder and less effectively, and it should be sited with thought for the noise it makes, away from bedroom windows and considerate of the neighbours.

Access for servicing is part of the placement decision. A ducted system is a substantial investment that will be serviced over its life, and an outdoor unit that has been placed where it is difficult to reach makes that servicing harder than it needs to be. A good installer chooses a position that balances airflow, noise and access.

For homes in the northern parts of Queensland, cyclone exposure is a genuine consideration. Much of coastal North Queensland sits in higher wind regions, and an outdoor unit that is not adequately fixed can become a hazard in a severe wind event, so the condenser must be mounted and secured appropriately for the wind region. A homeowner in the north is entitled to ask how the unit will be fixed, and general guidance on cyclone preparation is available from the Queensland Government at qld.gov.au.

Maintenance and Servicing

A ducted air conditioning system is a significant investment, and a modest amount of maintenance protects both its performance and its life. The simplest and most important task belongs to the homeowner, and that is keeping the return air filter clean. The return air grille draws all the home's air back through this filter, so it collects dust steadily, and a clogged filter restricts airflow and makes the system work harder.

Beyond the filter, periodic professional servicing keeps a ducted system running well. A service typically includes checking the refrigerant charge, cleaning the coils, inspecting the ductwork and the electrical connections, checking the zoning and dampers, and a general assessment of the system's operation. For a system that works hard through the Queensland summer, a service is a sensible regular habit, and routine attention can be arranged through an air conditioning servicing provider.

When something does go wrong, the cause can range from a simple control issue to a refrigerant or electrical fault, and refrigerant and electrical problems both fall to the relevant licensed trades. A ducted system that is not cooling properly, is noisy, or is showing a fault should be looked at promptly rather than run on, and air conditioning repairs from a licensed technician will diagnose the problem correctly. Catching issues early is almost always cheaper than letting them develop on a system of this size.

Completion and Compliance

Completion is the step that confirms the homeowner received the system they paid for, and on a project of this size it should be thorough. After the installation, a good installer commissions the system in front of the household, runs it through cooling and heating, checks every zone and outlet, and confirms the system reaches temperature, distributes air evenly and operates at a normal noise level. Anything that is not right is far easier to address before the installer leaves.

Documentation is part of a proper completion. For the electrical work, the licensed electrical contractor must provide a Certificate of Testing and Compliance for the prescribed electrical work. The homeowner should also receive the equipment documentation, including the warranty paperwork and the manuals, and where the work fell under building licensing, the relevant licence and contract details should be clear. This paperwork belongs with the property records, since it supports any later warranty claim, any sale of the home and any insurance discussion.

A clear handover completes the job. The installer should show the household how to operate the controller and the zoning, explain the return air filter and how to clean it, and point out anything specific to the installation. An installer who treats the handover and the documentation as optional, or who is reluctant to provide the electrical compliance certificate, is signalling a casual approach, and on an investment of this size that is worth noting before the final payment is made.

What to Look Out For

A quote that sits well below the others for the same scope warrants careful investigation, and on a ducted system the gaps can be large. A genuinely low ducted quote often reflects an undersized system, fewer or simpler zones, cheaper ductwork or thinner duct insulation, or an installer who has not properly assessed the home. Direct comparison only works when each quote covers the same capacity, the same zoning and the same standard of ductwork.

Be cautious of any installer who quotes a ducted system without a proper site assessment. The roof space, the construction, the layout and the way the household lives all shape the design, and a price given without that assessment, from a phone call or an online form, is a guess on a project that is far too significant to guess at. A reputable installer will want to inspect and design before committing to a price.

Watch the licensing, because a ducted installation involves three regulated areas. Refrigerant work requires an ARC licence, the electrical connection requires a licensed electrical contractor, and the building work requires QBCC licensing, and an installer who is vague about any of these is one to avoid. Be wary too of an installer who pays little attention to the zoning or the duct insulation, since both have a direct effect on how the system performs and what it costs to run in the Queensland climate.

Finally, be cautious of anything agreed in conversation but never documented. The system capacity, the zoning, the number and placement of outlets, the standard of the ductwork, the price, the licences held and any workmanship guarantee should all be documented before work starts, and the compliance documentation should follow at completion. An installer reluctant to put the detail in writing, or who pressures a homeowner toward a quick decision on a major project, is signalling something important.

How to Get Useful Quotes

Because a ducted system is a major investment, getting useful quotes is worth doing carefully. Three written quotes against a consistent brief give a meaningful sense of the market, and the brief should describe the home, its size, age and construction, the rooms to be conditioned, how the household uses the home, and what matters most to them, whether that is whole-home comfort, efficient zoning or a particular budget.

A site visit and a proper design are essential, not optional, for a ducted quote. The installer needs to see the home, inspect the roof space, assess the construction and the access, and design a system that genuinely fits, and a quote produced without that work is an estimate at best. For a project of this cost, a homeowner should treat a quote given without a site assessment as not a real quote at all.

Confirm that each installer holds the relevant licences, the ARC credentials, the electrical licensing and the QBCC licence, and carries appropriate insurance, and ask each to explain the system capacity, the zoning design and the standard of the ductwork. Compare the quotes line by line rather than on headline price alone, because a cheaper figure for a smaller system, simpler zoning or thinner ductwork is not the bargain it appears to be.

Be sensible about payment. A deposit followed by progress and completion payments is normal for a project of this size, while a very large upfront payment gives an operator unnecessary leverage and is worth questioning. Posting a clear job description through The Quote Yard is an efficient way to reach several licensed Queensland ducted air conditioning installers at once and gather comparable quotes without chasing each one individually.

Warranty, Strata and Consumer Rights

Warranty on a ducted air conditioning installation comes in two parts. The equipment carries a manufacturer warranty, and reputable brands generally warrant their ducted systems for a defined period, often with longer cover on the compressor. The installer separately provides a workmanship warranty covering the quality of the installation itself, the ductwork, the zoning, the mounting and the commissioning.

The two interact, and a point worth knowing is that manufacturer warranties commonly require the equipment to have been installed by a suitably licensed and qualified installer. A ducted system installed by an unlicensed operator to save money can leave the homeowner with a warranty problem if the manufacturer declines a claim on the basis of the installation. Keeping the installer's paperwork, the electrical compliance certificate and the equipment documentation together protects the homeowner on all fronts.

A property governed by a body corporate brings an additional layer. In a unit, an apartment or a townhouse, the roof space, the external walls and the building's common areas may be common property, and installing ducted air conditioning can affect that common property, so the body corporate's approval may be needed before the work proceeds. Beyond any express warranty, the Australian Consumer Law provides statutory guarantees on goods and services, and information on consumer rights is available from the ACCC. New homes and major renovations also bring in the National Construction Code, and the energy efficiency provisions are published by the ABCB.

Trades qualified to perform this work can browse current paid project leads posted by homeowners on the QLD tradie job leads board. The platform connects experienced trades to homeowner projects across Greater Brisbane and regional QLD.

Trade categories most relevant to ducted air conditioning include ducted air conditioning installer jobs and HVAC jobs for installation, refrigeration mechanic jobs for refrigerant work, air conditioning jobs for the broader trade, electrician jobs for the electrical connection, HVAC maintenance and service jobs for ongoing servicing, and handyman jobs for the smaller tasks that surround a project.

Tradespeople looking for work in Queensland can find live, paid air conditioning projects posted by homeowners on the QLD tradie job leads board, and those in the trade can also explore commercial HVAC jobs and ducted air conditioning installer jobs across Australia.