Duct Cleaning & Sanitisation Costs VIC 2026 - Get Free Quotes

Duct Cleaning Costs in Victoria

Duct cleaning across Victoria runs $300 to $900 for a typical ducted system, priced at $30 to $60 per outlet with a minimum charge. Sanitising treatments add $100 to $250. Those figures assume proper mechanical cleaning rather than a vacuum waved at each grille. Pricing works out at $30 to $60 per ceiling outlet with a minimum charge. Sanitising adds $100 to $250 where it is truly warranted.

The candid position on this service is that most households need it rarely and some are sold it repeatedly. Specific circumstances truly warrant a clean, and a marketing industry has grown around persuading everybody else that they qualify. Negative air machines are rated by airflow rather than motor size. Collection bags show the volume of material actually removed. Payment on completion is the normal arrangement. Invoices should itemise each treatment separately.

The photographs deserve particular scepticism because they are the standard sales device. An image of a grimy duct interior proves that ducting collects dust, which every duct does, and says nothing about whether that dust is affecting anything. Before and after shots taken from different sections of the same house are not evidence of anything. Every duct in every house collects a layer of dust over a decade. Whether that layer affects anything is a separate question entirely.

Where mould appears, cleaning treats the symptom rather than the cause. Mould grows where moisture is present, so ducting that has developed it has a water problem somewhere, and cleaning without finding that source guarantees the mould returns. An operator cleaning mould without asking where the water came from is not solving your problem. Growth needs liquid water or sustained condensation to establish itself. Find the water first or you will be repeating the exercise. Working platforms protect fragile older ceilings.

There are circumstances where a clean is clearly worthwhile. Vermin in the ductwork, a renovation that filled the system with construction dust, taking on an older house with decades of unknown history, and visible mould after the moisture source is fixed all justify the expense. Those situations are recognisable rather than speculative. Vermin, renovation dust, an older house of unknown history and confirmed mould all qualify. Consumer guarantees apply to services as much as goods. Unsatisfactory work can be pursued formally.

Method separates a worthwhile clean from a cosmetic one, and it explains the enormous price spread. Negative air pressure combined with mechanical agitation along each duct run removes material from the whole system, while a vacuum at the grille removes what you could already see. Rotating brush heads suit rigid duct better than flexible. Compressed air whips are gentler on a flexible inner liner.

The sections below set out what accumulates, when cleaning is justified, what a proper job involves and how to identify a script. Duct condition on ageing systems sits under air conditioning replacement and upgrade. Each situation is dealt with on its merits. The pricing tables sit toward the end. Photographic evidence should identify its own location.

What Actually Accumulates

Understanding what really collects inside ductwork puts the sales photographs in proportion. Some of it matters and most of it does not. Rod length limits how far along a run an operator can reach. Access panels cut into trunk lines get sealed afterwards. Documentation is what supports any later complaint. Second opinions cost little against a large quote.

Dust is the bulk of it and it is largely inert. Fine household dust, skin cells, fabric fibres and outdoor particulate that passes the filter settle along duct runs over years, and in a system that has run for a decade there will be a visible layer. That layer sits still under normal airflow rather than circulating. Fine household dust, skin cells and fabric fibres settle along duct runs over years. Fin combs straighten damaged coil surfaces.

Construction debris is a different proposition entirely. Renovation work generates plaster dust, timber dust and insulation fibres in quantities ordinary living does not, and where the system ran during the work or outlets were left uncovered that material ends up in the ducting. Grilles are unscrewed, cleaned and refitted as part of the work. Inspection cameras document what was actually found. Comparable quotes need identical scope described. Time estimates reveal method more than price does.

Vermin evidence is the finding that plainly warrants action. Rodents in a roof cavity chew into flexible ducting and nest inside it, leaving droppings, urine and sometimes carcasses, and that material does circulate. Odours and visible damage are the usual signals. Melbourne operators vary widely in equipment and method. Cavity temperature swings drive duct deterioration.

Insulation fibres appear where ducting has deteriorated internally. Older flexible duct from any manufacturer, Panasonic systems included, breaks down from the inside as the liner degrades, releasing fibres into the airstream, and at that point cleaning is treating a system that needs replacing. An operator finding this should tell you. Urgent and optional items belong in separate lists. Minimum charges apply on smaller ducted systems. Pets should be secured before the crew arrives.

Mould requires moisture and its presence therefore indicates a fault rather than neglect. Condensation inside ducting, a roof leak above a run or a poorly drained plant unit all supply the water. The growth is a consequence rather than a cause. Photographs should identify their own location in the system. Equipment on the truck tells you the approach immediately. Established operators explain rather than alarm.

What does not accumulate meaningfully is the material most heavily marketed. Ductwork does not fill with dangerous quantities of allergens under normal use, and the airflow in a residential system is not sufficient to dislodge settled dust into the house in the way advertising suggests. Filter condition matters far more, as covered under air conditioning servicing, and split systems under split system installation. Residential airflow does not dislodge settled dust the way advertising suggests.

When It Is Warranted

Five circumstances justify duct cleaning on the evidence. Outside these, the case is considerably weaker than the industry presents. Minimum charges apply to smaller ducted systems. Each is set out below with what it costs. Replacement duct carries better insulation ratings.

Vermin activity is the strongest case and needs no deliberation. Where rodents or possums have been in the roof cavity and the ducting shows damage, droppings or odour, cleaning is warranted and so is repairing the entry points. Cleaning without excluding the animals achieves nothing lasting. Damage, droppings or odour in the ducting all point the same way. Referrals from HVAC technicians are worth following. Servicing businesses often give a frank assessment.

Recent renovation is the second and needs little argument. Building work generates fine dust in volumes that overwhelm any filter, and where the system operated during the work or outlets were left open the ducting will hold that material. Cleaning after the trades finish is sensible rather than optional. Evaporative service is priced quite separately. Zoning can be added while ceilings are already open.

Visible mould justifies cleaning once the moisture source is identified and fixed. That sequence matters, because cleaning first means doing it again within a year. Guidance on household mould is published through the Victorian Department of Health. Remediation before cleaning is the correct order of operations. Reversing it means paying twice inside a year. Written recommendations allow proper comparison later.

Buying an older house is a reasonable trigger where the system history is unknown. A ducted system twenty years old that may never have been cleaned, in a house whose previous occupants and their pets are unknown to you, is a defensible one off clean. Before and after images need to show the same run. Duct sleeve markings state the insulation rating directly. Blower wheels need dismantling for proper cleaning.

Water damage or flooding affecting the roof cavity or the plant is the fifth. Where ducting has been wetted, cleaning and thorough drying become necessary and replacement may be the better answer depending on how long it stayed wet. Wet insulation inside a duct sleeve rarely dries adequately. Wetted ducting needs cleaning and thorough drying at minimum. Airflow should be rechecked before the crew departs. Older ducting frequently warrants replacement instead.

Frequency outside those triggers is far lower than advertising implies. A system in an ordinary household with maintained filters does not need routine cleaning every few years, and once a decade is a defensible upper bound. Households told they need it annually are being sold a subscription. A system with maintained filters and no symptoms needs nothing on a schedule. Reassembly quality affects performance long afterwards.

When It Is Not

The circumstances where cleaning is proposed and not warranted are more common than the ones where it is. Recognising those situations saves money repeatedly. Each is described below with what actually causes it. These situations arise far more often than the ones that justify the work. Bundling with a service visit saves the attendance cost. Seasonal timing matters less here than on repairs.

Reduced airflow is almost always a filter or a mechanical problem rather than dirty ducts. A blocked return air filter, a fouled indoor coil, a failing fan or crushed ducting all reduce delivery, and cleaning the duct interiors addresses none of them. Check the filter before accepting any other explanation. Duct condition should be assessed before cleaning is agreed.

Dust visible around ceiling outlets usually indicates a filter issue. Where fine dust marks the ceiling around a grille, air is bypassing or passing through an inadequate filter, and the fix is at the filter rather than in the ducts. Cleaning without addressing that means the marks return. Air is bypassing or passing through inadequate filtration. The fix sits at the filter rather than inside the ducts.

Allergy symptoms are the hardest case because households want an answer. The evidence that routine duct cleaning improves allergy outcomes in ordinary homes is weak, and better filtration, humidity control and source reduction generally do more. That does not mean symptoms are imagined, only that ducts are rarely the cause. Inner liners break down before the outer sleeve does. Autumn and spring suit this work equally well. Duct replacement beats cleaning on truly degraded runs.

Odours frequently originate at the indoor coil rather than in the ductwork. Moisture on the coil supports microbial growth that produces a distinctive musty smell when the system starts, and cleaning the coil resolves it while cleaning the ducts does not. Ask an operator to check the coil first. Microbial growth on a damp coil produces a distinctly musty smell at start up.

Routine intervals sold as maintenance are the clearest overreach. Ducting is not a wear item requiring scheduled service, and a household with clean filters and no symptoms has no reason to clean on a calendar. Annual or biennial cleaning contracts should be declined. Ductwork is not a wear item on any schedule. Evidence rather than a calendar should drive the decision.

Cleaning ducting that needs replacing is money badly spent. Where flexible duct is twenty years old, internally degraded and poorly insulated, cleaning it postpones a replacement that would improve performance considerably. Ducted system detail sits under ducted air conditioning installation. Replacement improves performance considerably more than cleaning does. No qualification is required to enter this trade. That places the burden of judgement on the household.

What a Proper Clean Involves

Method is what you are paying for, and the gap between thorough and cosmetic explains a threefold price difference. Ask about it specifically before booking. Fibre release indicates duct at the end of its life. Joint tape perishes well ahead of the duct itself. Balancing should be rechecked after any plant work.

Negative air pressure is the foundation of proper cleaning. A powerful vacuum unit connects to the system, usually at the plant or a main trunk, and puts the entire duct network under suction so dislodged material travels to a collection point rather than into the house. Without it, agitation simply moves dust around. A powerful vacuum unit connects at the plant or a main trunk. Industry associations exist but membership is voluntary. Experience with your system type is worth asking about.

Mechanical agitation is the second essential element. Rotating brush heads on flexible rods, or compressed air whips, travel along each duct run physically dislodging material from the walls so the negative air can carry it away. A vacuum alone removes almost nothing from a duct interior. Replacement beats remediation on saturated runs.

Access is created rather than assumed. Proper cleaning means reaching each run, which involves removing grilles and sometimes creating access points at the plant or in trunk lines, and those points are sealed afterwards. An operator who never leaves the living areas is not reaching the ducting. Grilles come off and access points are sometimes cut at the plant or in trunk lines. Those openings are sealed again afterwards.

The plant and return air deserve equal attention. On a Daikin, Mitsubishi Electric or Fujitsu system alike, the indoor coil, blower and return air path collect more material than the supply ducting does, and cleaning the ducts while ignoring the plant misses where the problem usually is. Ask specifically whether the coil and blower are included. Sagging runs collect more debris than supported ones.

Containment matters a great deal during the work itself. Grilles removed and ducts opened while a powerful vacuum runs will move dust into the house if the sequence is wrong, so drop sheets and careful staging are part of a professional job. Expect a degree of disruption regardless. Pressure to decide on the spot is a warning sign. Outlet positions rarely change during replacement.

Time on site is the most reliable indicator of thoroughness. Proper cleaning of a twelve outlet system takes three to five hours with the right equipment, and an operator finished in ninety minutes has done something else. Crushed sections restrict airflow to a single room. Disconnected runs deliver conditioned air into the roof space.

Sanitising Treatments

Sanitising is where the upselling concentrates and it deserves careful thought. The treatments are real and their necessity is frequently overstated. Plenum boxes accumulate material at the plant end first. Return air grilles hold the primary household filter. No obligation attaches to any recommended extra.

What sanitising involves is applying an antimicrobial agent through the duct system after cleaning, usually as a fog or spray. Products vary between operators and range from quaternary compounds to hydrogen peroxide based solutions, with Glen 20 and similar retail products offering nothing comparable. Expect $100 to $250 added to a cleaning quote. Flexible duct crushes wherever somebody has stood on it. Flexible duct is standard in Victorian residential work.

Where it makes sense is after real biological contamination. Vermin infestation, confirmed mould following remediation of the moisture source, or water damage all leave residues that warrant treatment. Filter grades differ considerably between products. Upgrading filtration usually beats cleaning the ducts.

Where it makes less sense is on ordinary dust. Applying an antimicrobial to a duct system containing nothing but settled household dust treats a problem that does not exist, and the marketing language around it frequently implies hazards that are not present. Filter intervals shorten noticeably in dusty districts. Pet households need filters checked more often again. Time to consider a quote is reasonable to request. Reputable businesses expect to be asked for detail.

Deodorising is a separate offering and worth distinguishing. Where an odour exists, masking it with a scented treatment leaves the source in place, and odours in a system usually originate at the coil or in standing water rather than in the ducting. Address the cause of the odour instead. Odours in a system usually start at the coil or in standing water. Household dust load varies with occupancy and pets.

Ask what product is being used and for its documentation. A legitimate operator will name the product and provide a safety data sheet on request, while vague references to a treatment or a solution should prompt more questions. Coil fins trap material that the filter misses. Blower wheels accumulate a surprising amount of grime.

Ventilation after treatment is worth confirming. Any antimicrobial application needs the house aired before normal occupation, and an operator should tell you how long to wait. Fault diagnosis on systems producing odours sits under air conditioning not cooling or heating. Drain pans hold standing water when the line blocks. Coil cleaning uses purpose made products. Household cleaners are unsuitable for evaporator coils.

Mould in Ductwork

Mould is the finding that most alarms households and the one most often mishandled. The principle to hold onto is that mould is evidence of water rather than of dirt. Condensate lines block with dust across several years. Standing water is what supports microbial growth. Sleeve condition indicates the remaining duct life. Compression at bends restricts airflow noticeably.

Growth requires moisture and cannot occur without it. Dust alone supports nothing, and a duct system that has developed mould has had liquid water or sustained condensation present. Dust alone supports nothing at all. Odour at start up suggests the coil rather than the duct. Airflow measurement confirms nothing was disturbed.

Condensation inside ducting is the most common Victorian cause. Where duct insulation has degraded or was inadequate to begin with, cooled air inside meets a warm humid roof cavity and moisture forms on the duct surface. Melbourne summers produce exactly those conditions in an uninsulated roof space, and the Yarra Ranges and Dandenong Ranges are no different. Degraded insulation is usually the underlying reason.

Roof leaks are the second source and they are frequently missed. Water entering above a duct run wets the insulation and the sleeve, and because the material stays damp for extended periods, growth follows. A roof inspection belongs in any mould investigation, as covered under roof repairs. Damp material stays wet long enough for growth to follow. Grille filters block faster than plant filters do. Return grilles are the easiest thing to check yourself.

Plant drainage problems supply water at the source. A blocked condensate drain or a drip tray overflowing puts moisture directly into the airstream and onto nearby duct surfaces, and that fault is inexpensive to fix once identified. Repairs sit under air conditioning repairs. That fault is inexpensive to fix once somebody identifies it.

Cleaning before fixing the source wastes money predictably. Where the moisture continues, growth returns within months, and households who clean repeatedly without investigating are treating a symptom on a cycle. Any competent operator will say this. Growth returns within months where the moisture continues.

Replacement sometimes beats remediation on affected ducting. Flexible duct with mould through the insulation layer rather than only on the inner liner cannot be cleaned satisfactorily, and replacing those runs is the honest answer. Insulation improvements that prevent recurrence sit under ceiling and wall insulation installation. Mould through the insulation layer cannot be cleaned satisfactorily. Support straps prevent sagging over long runs. Vermin damage is visible once you are in the cavity.

Choosing an Operator

This trade has a wider quality range than most and no licensing requirement, which places the burden on the household. A few signals separate the two ends reliably. No licensing requirement applies to duct cleaning in Victoria. That places the burden of judgement squarely on the household.

Unsolicited contact is the clearest warning. Businesses that cold call, door knock or advertise implausibly cheap specials generally rely on upselling once inside, and the advertised price is a door opener rather than the job. Legitimate operators are found rather than encountered. Musty smells point toward moisture somewhere in the system.

Photographs presented as evidence deserve questions. Ask where in your system each image was taken, whether the before and after shots are the same location, and what the material actually is. Safety data sheets are provided on request for any treatment. Product names should be given without hesitation. Camera inspection documents what was actually found. Reports with images support any warranty discussion.

Health claims that escalate are a script rather than a diagnosis. Assertions about what is growing in your ducts and what it is doing to your family, made without testing, are sales technique. Occupants with asthma have a particular interest here. Reoccupation timing depends on the product used.

Equipment on the truck tells you the method before anybody starts. A negative air machine and rod mounted brush systems indicate one approach, while a domestic style vacuum indicates another. Asking to see the equipment is entirely reasonable. A domestic style vacuum indicates quite another.

Pricing structure should be clear before attendance. Per outlet pricing with a stated minimum is transparent, while a headline figure that expands once somebody is in the roof is not. Rodent exclusion belongs with any vermin clean. Entry points need sealing once the animals are gone. Rodent droppings concentrate near nesting sites. Odour usually leads you toward the affected run.

Willingness to say no is the best signal of all. An operator who inspects, tells you the system does not need cleaning and charges nothing for the visit has told you something valuable about how they work. Nesting material is removed rather than left in place. Damaged duct sections are replaced rather than patched.

Victorian Conditions

Four Victorian factors bear on duct condition specifically, and they explain why the answer differs across the state. None appears in national marketing material. All four are worth raising when you get a quote. Droppings need proper handling and disposal.

Roof cavity temperatures are the first and they drive duct deterioration. Melbourne roof spaces above Werribee, Craigieburn and every other suburb reach extreme temperatures through summer, which ages the inner liner and insulation of flexible ducting faster than the material's rated life suggests. Ducting past fifteen years in that environment is frequently degrading internally. Melbourne roof spaces reach extreme temperatures through summer. That heat ages the inner liner and insulation faster than the rated life suggests.

Condensation risk is the second and it is a Melbourne specific pattern. Humid spells combined with cooled ducting in an unventilated roof space produce surface moisture, and where insulation has thinned that becomes sustained. Roof leaks wet duct insulation for extended periods. Ceiling stains indicate water sitting above the plaster. Drainage faults are inexpensive to fix once located. Access hatches make inspection considerably easier.

Dust loading varies sharply by district and changes the calculation. Northern Victoria through the Mallee, the Wimmera and out past Bendigo and Ballarat sees heavy airborne dust that loads filters and eventually ducting faster than metropolitan conditions, while Melbourne's spring pollen season creates a shorter intense period. Filter attention matters more than duct cleaning in both cases. Northern Victoria sees heavy airborne dust that loads filters quickly. Melbourne's spring pollen creates a shorter but intense period instead.

Rodent activity is the fourth and it concentrates seasonally. Autumn drives rodents into roof cavities from Frankston through to Sunbury as temperatures drop, and flexible ducting makes attractive nesting material. Households hearing activity above the ceiling should have the ducting inspected rather than waiting, with exclusion work under pest control. Flexible ducting makes attractive nesting material.

Older housing stock affects access more than contamination. Period homes across the inner suburbs have tighter roof spaces, awkward access and sometimes ducting installed in ways that make thorough cleaning difficult. Expect an honest operator to tell you where they cannot reach. Period homes have tighter roof spaces and awkward duct routing. Cavity insulation displaced by trades reduces performance. Evaporative pads mineralise over a few seasons.

Evaporative systems present an entirely different maintenance requirement. Those systems draw outside air continuously through wet pads and need seasonal attention to pads, water and drainage rather than duct cleaning as such. That work sits under evaporative cooling installation. Pads, water and drainage matter rather than duct interiors.

What Affects the Cost

Outlet count is the primary pricing basis at $30 to $60 each with a minimum charge. An eight outlet system lands at $300 to $550 and a sixteen outlet house at $450 to $800. Ask how the outlet count was arrived at. Insulation upgrades reduce condensation risk at the source. Roof ventilation changes the cavity environment directly.

Method accounts for the largest single variation. Negative air with mechanical agitation costs substantially more than vacuum only work and delivers a materially different result, which is why the cheapest quote is rarely comparable to the dearest. It also delivers a materially different result. The cheapest quote is rarely comparable with the dearest.

Plant and coil cleaning adds $120 to $300 and is frequently where the real benefit sits. The evaporator coil and blower wheel accumulate far more than any duct run. Cleaning a blower properly means partially dismantling the housing. Whirlybirds and vents both affect how humid a cavity stays.

Sanitising treatments add $100 to $250 and should be a considered decision rather than a default. Where real biological contamination exists they are justified, and on ordinary dust they are not. Ordinary settled household dust does not warrant it. Summer roof spaces regularly exceed sixty degrees. Fifteen years is a realistic Melbourne expectation for flexible duct.

Access difficulty affects the labour directly. Tight roof cavities, awkward plant positions and two storey properties all add time, and older inner Melbourne housing is consistently harder to work than newer suburban stock. Tight roof cavities and two storey properties both add time. Replacement duct carries better insulation ratings than older product. Performance improves noticeably after a duct upgrade.

Repairs discovered during cleaning are quoted separately. Damaged ducting, disconnected runs and blocked drains are commonly found once somebody is in the cavity, and those are worth fixing while access exists. Controls and dampers sit under thermostat and zone controller installation. Those are worth fixing while access exists.

Melbourne and Regional Victorian Pricing

Duct cleaning rates hold reasonably steady across metropolitan Melbourne, with method and outlet count explaining far more than location. The tables below assume a twelve outlet ducted system. Both figures assume reasonably standard roof access. Method and outlet count explain far more than location. Water pumps on those systems fail like any other pump. Winter draining prevents frost damage to the plant.

Two features of Melbourne housing account for that spread. Inner suburban period housing has tighter roof access and more awkward duct routing, which lengthens the job before anything is cleaned. Newer outer suburban homes have accessible cavities and standardised layouts that work faster. Newer outer suburban homes work considerably faster.

Regional pricing carries travel in the rate rather than as a separate charge. Operators covering wide districts batch work by area, so asking when they are next nearby can reduce the figure. That flexibility is easy on non urgent work. Operators covering wide districts batch their work by area. Trunk lines carry more debris than branch runs. Duct routing varies between installers considerably.

Northern districts face a quite different dust picture. Properties through the Mallee, the Wimmera and the north west accumulate airborne dust at a rate metropolitan homes do not, which shortens filter intervals considerably and occasionally justifies cleaning sooner. Filters remain the first line rather than the ducting. Properties through the Mallee and the north west accumulate airborne dust rapidly.

Rural properties add considerations city homes lack. Unsealed roads, cropping dust, and larger roof cavities with more rodent activity all change the assessment, and farmhouses in particular warrant a look at the ducting when other work is done. Bundling with a service visit saves the travel. Larger roof cavities with more rodent activity change the assessment.

Coastal humidity affects condensation risk along the bay and the Peninsula. Where roof cavities stay humid, duct insulation matters more and degraded insulation shows up as surface moisture sooner. That is a duct condition issue rather than a cleaning one. Roof cavities that stay humid make duct insulation quality matter more. Degraded insulation shows as surface moisture sooner near the bay.

What to Look Out For

Decline any unsolicited approach without exception. Cold calls, door knocks and implausibly cheap specials are the entry point for upselling rather than real offers, and the advertised figure is not the job. Find an operator yourself rather than accepting one who found you. Reputable businesses in this trade rely on referral rather than doorknocking.

Check the filter before believing any airflow explanation. Reduced delivery is a filter, coil or mechanical problem far more often than a duct problem, and cleaning the ducts will not fix any of those. This single check resolves a meaningful share of complaints. A blocked return filter starves the whole system. Recommissioning in spring catches most evaporative faults. Ducting on those systems is larger and simpler.

Ask what method will be used and what equipment is on the truck. Negative air pressure combined with mechanical agitation is proper cleaning, while a vacuum at the grille is not, and the price difference reflects a genuine difference in outcome. Ask to see the equipment before anybody starts. Negative air pressure with mechanical agitation is proper cleaning.

Question any photograph presented as evidence. Ask where in your system it was taken, whether before and after images show the same location, and what the material is. Vagueness on those questions is informative. Ultraviolet inspection reveals nothing useful in a duct run. Confirm it before any work starts.

Refuse sanitising where only ordinary dust is present. The treatment is justified after vermin, confirmed mould or water damage and not otherwise, and applying antimicrobials to settled household dust addresses nothing. Outlet positions rarely change during a duct replacement. Zoning can be added while the ceilings are already open.

Insist on finding the moisture source before cleaning any mould. Cleaning first means repeating the exercise within a year, and the source is usually degraded duct insulation, a roof leak or a drainage fault. That investigation is the actual solution. Compressed air whips suit flexible duct better than brushes.

Get the total in writing including every treatment before work starts. Consumer guarantees on services are administered by the ACCC, contract requirements sit with Consumer Affairs Victoria, and disputes are heard at VCAT. Every treatment should appear as its own line. Consumer guarantees on services are enforced federally. Contract requirements sit with the state consumer regulator.

What to Look for in a Quote in VIC

A duct cleaning quote worth accepting states the outlet count and the rate, describes the method including whether negative air and mechanical agitation are used, confirms whether the plant, coil and return air are included, prices any sanitising separately, states the expected time on site, and lists what would be charged additionally. A single figure for duct cleaning tells you nothing about what will happen. It should name the outlet count, the rate and the method. Damper installation is cheapest alongside other work. Bundling jobs reduces the total labour considerably. Body corporate approval applies to shared plant.

Give every operator the same information. Provide the system type and approximate age, the number of ceiling outlets, whether there has been renovation work, any symptoms such as odours or visible marks, whether vermin have been heard, and your suburb. That lets them quote properly rather than inspect and expand. Provide the system type and age along with the number of ceiling outlets. Mention any renovation work, odours or vermin heard in the roof.

Ask these four things and you will know whether you have a professional or a script. What method do you use, is the coil and plant included, how long will it take, and what would make you tell me this is not necessary. The last one is the most revealing of the four. Operators quoting per outlet are being transparent.

Consider whether the money is better spent elsewhere. Better filtration, fixing a drainage fault, replacing degraded ducting or improving roof cavity ventilation all deliver more than a clean in most households. Written quotes prevent a figure expanding on the day. Variations should be agreed before anybody proceeds. Commercial ductwork follows separate hygiene standards. Manhole position determines the crawl distance involved.

Treat this as an occasional intervention rather than a maintenance schedule. Posting the job on The Quote Yard puts one brief in front of several Victorian operators, and system work sits under air conditioning installation. Ducting is not a wear item and no calendar applies. Evidence rather than schedule should drive the decision.