Typical Costs
Prices are estimates based on typical WA market rates in 2026 and vary by the appliance type, brand and model, the gas type (natural gas through ATCO Gas WA or LPG), the condition of the existing gas service, any pipework modifications required, the location of the new gas point relative to the existing service, the access and any complications during installation, compliance with AS 5601 gas installations and the Gas Standards Act 1972, and whether the site is in metropolitan Perth or regional WA. Gas work in WA is licensed under the Gas Standards Act 1972 and may only be performed by holders of a PMA gas authorisation issued through the Plumbers Licensing Board. Obtain a written quote that confirms the gas fitter's PMA authorisation, names the appliance by manufacturer and model, the pipework specification, and the warranty period.
Gas Fitting and Appliance Installation WA 2026 - Get Free Quotes
Gas fitting and appliance installation in Western Australia covers the licensed work of installing, replacing, modifying and certifying gas appliances and the pipework that feeds them. The trade covers cooktops, freestanding ovens, continuous-flow and storage hot water systems, gas heaters, outdoor barbecues, and the pipework that connects each appliance to the household's natural gas service or LPG supply. Most metro Perth properties have natural gas through ATCO Gas WA, while regional and outer-metro homes typically run LPG bottles or tanks. All gas work in WA is licensed under the Gas Standards Act 1972 with PMA gas authorisations issued through the Plumbers Licensing Board, and a properly certified installation comes with a gas compliance certificate that the household keeps for the property records. The work is governed by AS 5601 for gas installations and the broader EnergySafety WA framework. Post your job on The Quote Yard to reach licensed gas fitters across Greater Perth, Mandurah, Bunbury, Geraldton, Albany and regional WA.
At a Glance - Gas Fitting WA 2026 Costs
| Service Type | Typical Cost | Duration | Gas Type | Notes |
|---|---|---|---|---|
| Gas cooktop install | $250-$600 | 2-3 hours | Natural gas or LPG | Existing gas point |
| Freestanding gas oven and cooktop | $350-$800 | 3-4 hours | Natural gas or LPG | Includes connection and test |
| Continuous-flow gas hot water | $1,800-$3,500 | Half to full day | Natural gas or LPG | Rinnai, Rheem, Bosch typical |
| Storage tank gas hot water | $1,600-$2,800 | Half to full day | Natural gas or LPG | Rheem, Vulcan, Dux typical |
| Gas heater install | $400-$1,200 | 2-4 hours | Natural gas or LPG | Flued or unflued options |
| New gas point | $400-$900 | 2-4 hours | Natural gas or LPG | Pipework plus connection |
What Drives Gas Fitting Cost in WA
Gas fitting pricing in Western Australia is shaped by the appliance type and brand, the gas type (natural gas through ATCO Gas WA or LPG bottles), the condition of the existing gas service, any pipework run length and complexity, the access to the installation position, compliance certification work, callout fees and whether the site is in metropolitan Perth or regional WA. A like-for-like cooktop or hot water replacement on a metro Perth property with sound existing pipework sits at the lower end. A new appliance install with extended pipework, an LPG to natural gas conversion or a regional WA installation with travel costs sits at the upper end.
Gas safety in WA. See EnergySafety WA for gas safety oversight and Standards Australia for AS 5601 Gas Installations.
What Gas Fitting Work Actually Covers
Gas fitting and appliance installation in WA covers the licensed work of bringing fuel gas from the gas service at the property boundary or the LPG cylinder bank through pipework to one or more appliances, then connecting and commissioning each appliance to operate safely. The scope is broad, covering everything from a simple cooktop replacement through to a full multi-appliance installation involving new pipework runs, isolation valves, regulators and the certifications that accompany compliant work. Every part of this scope sits in the hands of a licensed gas fitter, since unlicensed gas work is prohibited under the Gas Standards Act 1972 (WA) regardless of how simple or familiar the task appears.
The most common job is a like-for-like appliance replacement. The household has an existing gas cooktop, hot water system or heater that has reached end of life or that the household wants to upgrade. The gas fitter isolates the gas supply at the appliance, disconnects the existing unit, removes it, fits the new appliance, reconnects to the existing gas point, leak-tests the connections, commissions the appliance and issues the gas compliance certificate. The job runs from a couple of hours for a cooktop swap through to most of a day for a hot water unit, with the cost varying accordingly.
Larger jobs cover new appliance installations where no existing gas point serves the planned position, requiring new pipework from the existing service. The work includes the run length itself, any wall, floor or ceiling penetrations needed, the isolation valve at the appliance, and any regulator or sizing adjustment back at the meter or LPG bank. A new gas point of typical length runs to a half day on site with pipework material costs added. Multiple new points in a renovation can be batched into the same visit for efficiency.
The trade also covers fault diagnosis and repair work. A gas leak detected by smell, a pilot light that will not stay alight, a hot water system producing only cold water, a cooktop with one burner not igniting, or any other gas appliance fault is investigated and repaired by a licensed gas fitter. The diagnostic work uses gas detection equipment and manometer pressure testing, with the repair scope identified after the diagnosis. Repair is often a fraction of replacement cost where the appliance is in reasonable condition overall.
PMA Gas Licensing and Regulation in WA
All gas work in Western Australia is regulated under the Gas Standards Act 1972 and the associated Gas Standards Regulations. The framework requires that any person performing gas work hold a current gas authorisation, with the most common categories being PMA gas (which covers general residential and small commercial gas installations) and the higher-level authorisations covering complex industrial and commercial work. The Plumbers Licensing Board administers the licensing system, with the public-facing oversight handled through Building and Energy at DMIRS.
The PMA authorisation indicates that the gas fitter has completed the required training, demonstrated practical competence through assessment, holds the relevant insurance and is bound to the standards set out in AS 5601 and related codes. The authorisation is required for any work that touches the gas pipework or the gas appliances themselves, with no carve-outs for handyman work, family members, helpful neighbours or property owners working on their own home. A homeowner who attempts gas work themselves, or who engages an unlicensed worker, is committing an offence under the Act and risks the safety of the household into the bargain.
Verification of the licence is straightforward and worth doing for any meaningful gas work. The gas fitter's PMA number is provided on quotes and invoices, and the Plumbers Licensing Board maintains a public register that anyone can search to confirm the licence is current. A worker who cannot provide a PMA number, or who provides a number that does not check out on the register, is not the person to engage for gas work regardless of how persuasive their pitch might be. The cost of unlicensed work is hidden until something goes wrong, and the consequences can be catastrophic.
Building and Energy at DMIRS publishes guidance on the licensing framework and on gas safety more broadly through the EnergySafety WA branch. The framework exists for good reasons. Gas is a serious hazard when handled poorly, with carbon monoxide poisoning, explosions, fires and asphyxiation all possible consequences of substandard installation work. The licensing system is one of the protections that keeps these consequences rare in WA homes.
Natural Gas vs LPG in WA
Western Australian residential properties run on one of two fuel gases. Natural gas is supplied through the reticulated network operated by ATCO Gas WA, with the gas piped under streets and connected to properties through a meter at the boundary. Liquefied petroleum gas or LPG is supplied in bottles or tanks at the property, with regular refill or exchange visits keeping the supply topped up. Most metro Perth and inner suburbs run on natural gas where the reticulation has reached the street, while outer-metro, regional and rural properties run on LPG where natural gas reticulation is uneconomic.
Natural gas through ATCO Gas WA covers most of Greater Perth, Mandurah, Bunbury, Geraldton, Kalgoorlie-Boulder, Albany and the broader populated centres. The gas comes from the North West Shelf via the Dampier to Bunbury Natural Gas Pipeline and is distributed through the metropolitan and regional reticulation networks. Connection to the network is arranged through ATCO and involves a separate fee from the gas fitter's installation work. New connections in established areas with reticulation already at the street typically run a few hundred dollars for the connection plus the gas fitter's work to bring the supply into the property.
LPG is supplied by Kleenheat, Elgas, Origin, Supagas and similar suppliers across WA. The fuel is typically delivered in 45 kilogram exchange cylinders that connect to the property's gas regulator, with a second cylinder providing automatic backup when the first runs empty. Larger properties or higher-demand installations may use bulk LPG tanks of 200 to 1,000 kilograms or more, with periodic top-up deliveries by tanker. LPG is the natural choice for properties beyond the reticulated network, and the chemistry of the fuel is largely interchangeable with natural gas though appliances need to be configured for the specific fuel.
Conversion between natural gas and LPG is part of the gas fitter's trade. Many appliances are convertible between the two fuels with a kit of jets and adjustments that the fitter installs, while some appliances are dedicated to one fuel and cannot be converted. The conversion work typically runs $200 to $600 per appliance depending on the unit, with the work covering the physical conversion, the calibration of the appliance to the new fuel pressure and the testing to confirm safe operation. A household moving between properties or switching from LPG to a newly reticulated natural gas service may need conversion work across multiple appliances.
Cooktops, Ovens and Cooking Appliances
Gas cooktops and freestanding ovens are among the most common gas appliance installations in WA homes, with most kitchen renovations involving at least a cooktop replacement and many involving a full cooking suite refresh. The installation work covers the connection of the appliance to the existing gas point or to a new gas point installed for the purpose, with the kitchen joinery cutout, electrical work for any electronic ignition or controls, and the appliance commissioning all coordinated as part of the kitchen renovation.
Standard gas cooktops in WA are typically four to six burners in widths from 600 to 900 millimetres, with the burner configuration including a wok burner, two to three standard burners and an auxiliary or simmer burner. Brands including Smeg, ILVE, Westinghouse, Bosch, Fisher and Paykel, Miele and the broader appliance market all offer gas cooktops in the WA market. The installation is straightforward where an existing gas point is available, with the fitter making the gas connection, fitting the cooktop into the bench cutout, and commissioning the appliance.
Freestanding cookers combine the oven and cooktop in a single appliance, with the oven below the cooktop in a standalone unit that slots into a space in the kitchen joinery. The width is typically 540 to 900 millimetres, with 600 millimetres being the most common in WA homes. Brands including Westinghouse, Chef, Fisher and Paykel, Smeg, ILVE, Falcon and Beefeater offer freestanding gas cookers. The installation work covers the gas connection at the back of the unit, the levelling of the appliance in its space, and the electrical connection for any oven elements or controls.
Outdoor cooking appliances including built-in barbecues and outdoor kitchens are also part of the gas fitter's work. The installation involves running gas pipework to the outdoor position, fitting an isolation valve at the appliance, and connecting the barbecue to the gas service. Brands including Beefeater, Weber and the broader outdoor cooking market offer natural gas and LPG models suited to WA conditions. A coordinated excavation and earthmoving project for outdoor kitchens and entertaining areas can include the gas service run in the same trench, reducing the total cost of the integrated project.
Gas Hot Water Systems
Gas hot water systems are the largest single gas appliance in most WA homes by capacity, with the unit running multiple times daily through the year and consuming a significant share of the household's gas use. The systems come in two main types, continuous-flow (or instantaneous) and storage tank, each with different operating characteristics, costs and suitability for various household sizes.
Continuous-flow gas hot water systems heat the water as it flows through the unit, with no storage of hot water in a tank. The system uses a powerful gas burner that fires up when a hot tap is opened, heats the cold water passing through, and continues firing until the tap is closed. The hot water supply is therefore unlimited within the unit's flow rate capacity. Brands including Rinnai Infinity, Rheem Continuous Flow and Bosch Compress are the dominant continuous-flow products in the WA market, with installed capacities from 16 to 32 litres per minute.
Storage tank gas hot water systems heat water in an insulated tank and hold it ready for use, with the burner cycling on and off to maintain the tank temperature. Tank systems are simpler than continuous-flow and have lower running costs in some use patterns, with the trade-off being a finite hot water supply that needs to recover after heavy use. Tank capacities range from 90 to 360 litres for typical residential use. Brands including Rheem, Vulcan, Dux and Aquamax offer storage tank systems at various capacities and efficiency ratings.
The choice between continuous-flow and storage depends on the household's hot water use pattern, the available installation space, and the budget. Continuous-flow suits households with variable hot water demand, a preference for unlimited hot water supply, and the budget for the higher capital cost. Storage suits households with predictable use patterns, available outdoor or service area space for the tank, and a preference for lower capital cost. A gas fitter discusses the trade-offs at the quoting stage and recommends the system best suited to the household.
Gas Heaters and Space Heating
Gas heaters provide a meaningful share of winter heating in WA homes, particularly in the South West and South Coast where winters are cooler and longer than the Perth metropolitan average. The systems range from portable LPG cabinet heaters through to fitted flued natural gas space heaters and ducted gas central heating systems. The fitted systems all involve licensed gas work, while portable cabinet heaters using small LPG bottles do not need installation by a gas fitter.
Flued gas space heaters connect to the gas service and vent combustion products through a flue to outside, with the heater located in the living area being heated. The flue allows safe operation indoors with the combustion gases routed away from the household. Brands including Rinnai, Real Flame, Heatmaster and Regency offer flued gas space heaters in styles ranging from inset fireplace look through to free-standing units. Installing one of these involves the gas connection, the flue penetration through the wall or ceiling, and the commissioning of the appliance.
Unflued gas space heaters operate without a flue, with the combustion products released into the room being heated. The arrangement requires careful design and proper ventilation to manage carbon monoxide levels, with WA regulations covering the maximum capacity and the ventilation requirements. Unflued heaters are common in WA homes but the safer flued alternatives are increasingly the preferred specification on new installations. The household weighs the trade-offs between the higher initial cost of a flued installation and the safety advantages.
Ducted gas central heating systems distribute warm air from a central heater unit through ducts to vents in each room. Ducted heaters are common in older Perth and South West homes and continue to be installed in new construction where central heating is part of the design brief. Ducted systems involve a central unit, the duct runs, the vents and the thermostat controls, with the gas fitter handling the gas connection and the ducted heating specialist handling the air distribution side. The two trades coordinate to deliver an integrated installation.
Pipework, Gas Points and New Connections
Gas pipework carries the fuel gas from the meter or LPG regulator through the property to each appliance, with the system sized to deliver the required gas pressure and volume to all the appliances operating simultaneously. The pipework is typically copper or steel for outdoor and concealed runs, with proprietary multilayer systems including the polyethylene-aluminium-polyethylene Bekaert ALU-CU also used. The material choice depends on the location, the pressure rating and the installer's preferred system, with all options being acceptable under AS 5601 when properly installed.
New gas point installation involves a pipework run from an existing gas supply through to the new position, with an isolation valve at the appliance and a tested connection ready for the appliance install. The run length, the path through the building, and any obstructions or wall penetrations affect the cost. A short run from an existing service through to an adjacent kitchen wall might run $400. A longer run from one side of the property to the other through multiple walls and a ceiling cavity might run $1,000 or more. The fitter scopes the work at the site visit and quotes accordingly.
Wall penetrations for gas pipework follow specific requirements under AS 5601, with the pipe sleeved through the wall and the annular space sealed to prevent gas migration through the wall cavity. Underground runs use heavy-duty pipe rated for the soil conditions, with appropriate cover depth and any sleeving needed for protection against trafficked areas. The installer follows the standard's specific provisions for each situation, with the result being a system that is safe and that meets the compliance requirements at inspection.
Isolation valves at each appliance allow the gas to be shut off locally for service or in an emergency without affecting the rest of the household's gas supply. The valves are required at the appliance connection under AS 5601 and are part of every compliant installation. The household locates the valves and tests them as part of the safety familiarisation at handover, with the position recorded for future reference. Information on gas safety standards is published by Standards Australia.
Gas Leak Detection and Repair
A suspected gas leak is a serious safety issue that warrants prompt professional attention. The classic signal is the smell of gas, which is added to natural gas and LPG specifically so leaks are detectable. Other signs include dying plants near a gas line, unusual noises from the pipework, unexplained higher gas bills, or a feeling of dizziness or headache in a confined area where a gas appliance operates. Any of these signs is reason to engage a licensed gas fitter for inspection.
Gas leak detection uses a combination of techniques. The gas fitter performs a manometer pressure test, where the gas system is pressurised and held while watching for pressure drop that indicates a leak. Electronic gas detection devices identify the location of leaks by sensing the gas concentration along the pipework. Soap solution applied to suspected joints produces visible bubbles where gas is escaping. The combination of methods locates the leak source for repair.
Repair of detected leaks varies by the location and cause. A leaking fitting or joint is tightened, replaced or reworked depending on the specific issue. A damaged section of pipework is cut out and replaced with new material to AS 5601 specification. A failed appliance valve is replaced with the manufacturer's specified part. The repair scope is identified after the diagnosis, with the cost varying from a couple of hundred dollars for a simple fitting replacement through to several thousand for major pipework rework.
Emergency gas response in WA covers situations where a gas leak presents immediate danger. The household closes the gas at the meter or LPG regulator, evacuates the premises, and calls the ATCO emergency line on 13 13 52 for natural gas or the LPG supplier's emergency line for bottled gas. Emergency response by ATCO secures the situation at the network level, with follow-up repair work by a licensed gas fitter restoring the property's gas service. The emergency response is free, while the follow-up repair work is at the household's cost. In any urgent situation where electrical issues coincide with gas concerns, a coordinated emergency electrician call may also apply.
Compliance Certificates and Documentation
A gas compliance certificate is the document the licensed gas fitter issues to certify that a gas installation or modification has been completed to AS 5601 and the broader regulatory framework. The certificate identifies the installer, the licence number, the appliance and the work scope, with the document forming the official record of the gas work. The household keeps the certificate with the property records, since it supports the property's gas safety status and is needed for property sale, insurance claims and future gas work.
Certification is required for any gas work that creates, modifies or replaces an appliance or pipework, with the gas fitter providing the certificate to the household at completion of the work. Small jobs such as routine appliance servicing or minor adjustments may not need a certificate, while any work involving new pipework, new appliances or alteration of the existing system definitely does. The fitter advises at the quoting stage whether the planned work needs a certificate, with the certification typically included in the quoted price.
Property sale transactions in WA often involve the buyer or their conveyancer requesting current gas compliance certificates for any meaningful gas installation work that has been done. A vendor without the certificates may need to engage a gas fitter for an inspection and current certification before the sale can proceed cleanly. The household keeping the certificates from the original installation work avoids this scenario, with the documentation supporting future property transactions and providing a clean compliance trail.
Insurance claims involving gas-related issues, including fires, carbon monoxide incidents or appliance failures, may also require evidence of compliant installation work. A current gas compliance certificate supports the claim by establishing that the gas work was done correctly at the time. Conversely, evidence of unlicensed gas work or non-compliant installation may complicate or invalidate an insurance claim. The certification is therefore part of the property's broader risk management as well as the regulatory requirement.
Energy Efficiency and Running Costs
Gas appliance running costs depend on the appliance's energy efficiency rating, the household's use pattern, the gas tariff and any time-of-use pricing structure. Natural gas in WA is generally cheaper per energy unit than LPG, though both are competitive against electricity for cooking, water heating and space heating where the appliance efficiency is reasonable. The household's total energy cost is shaped by the appliance mix as much as the fuel choice.
Star ratings on gas appliances provide a comparative measure of energy efficiency, with more stars indicating better efficiency. Star ratings are mandatory on certain appliance categories including hot water systems and ducted heaters, with the rating visible on the appliance label at purchase. A 5-star continuous-flow hot water system uses meaningfully less gas to deliver the same hot water output than a 4-star equivalent. The capital cost of the higher-rated unit is typically recovered over a few years of operation through the lower gas bills.
Use patterns affect running costs as much as the appliance efficiency. A continuous-flow hot water system that is used heavily through morning and evening peak periods costs more to run than the same system in a household with lower peak demand. A storage tank hot water system that loses heat through the standing tank costs more per litre of hot water delivered than a continuous-flow system, with the difference becoming significant in households with low hot water use. The right appliance choice depends on matching the appliance to the actual use pattern.
The Economic Regulation Authority of Western Australia at erawa.com.au oversees the gas pricing and network regulation framework, with gas tariffs reviewed periodically and published in the regulatory determinations. Households comparing gas suppliers for retail competition can review the available offers and choose the supplier that best suits their use pattern. The retail competition in natural gas supply in WA has produced a range of pricing options that suit different household priorities.
Electric Conversion and the Energy Transition
The broader energy transition is affecting gas appliance choices in WA, with some households considering electric alternatives to gas for new installations or for appliance replacements. Induction cooktops, heat pump hot water systems and reverse cycle air conditioning are the most common electric alternatives. The choice between gas and electric is genuinely complex and depends on the household's circumstances, the property's existing infrastructure, the available rooftop solar capacity and the longer-term preferences.
Induction cooktops use electromagnetic induction to heat the cookware directly, with the cooktop surface itself not heating. The cooking response is fast, the energy efficiency is high, and the surface is easier to clean than gas cooktops. The cost is comparable to mid-to-premium gas cooktops, and the installation needs an appropriately sized electrical circuit which often requires upgrade from a standard household supply through a licensed electrical services contractor. Households with adequate rooftop solar capacity can run induction cooktops largely from self-generated electricity.
Heat pump hot water systems use refrigerant cycle technology to extract heat from the surrounding air and deliver it to the hot water tank, achieving energy efficiency typically three to four times that of equivalent electric resistance heating. The systems are competitive with continuous-flow gas hot water for many household scenarios, particularly where rooftop solar can offset the electrical input. Brands including Sanden, Reclaim Energy, iStore and Apricus offer heat pump systems in the WA market, with installation costs running $3,500 to $7,000 supplied and installed.
The household's decision between gas and electric depends on multiple factors and is rarely clear-cut. Gas appliances continue to suit households who value the cooking response of gas cooktops, who have existing gas infrastructure in good condition, or who want the resilience of a fuel source independent of the electrical grid. Electric alternatives suit households moving toward all-electric homes for environmental or efficiency reasons, those with substantial rooftop solar, or those building new homes where the gas infrastructure investment is avoided entirely. A licensed gas fitter can speak to both sides of the trade-off based on the specific property's situation.
Coordinating with Other Trades
Gas fitting often coordinates with other licensed and unlicensed trades during a renovation or appliance upgrade. A coordinated approach saves time and reduces total cost compared with handling each project as a separate visit. The relevant adjacent trades are usually identified at the quoting stage, with the project program set to suit the household's broader plans.
Electrical work is the most common coordination requirement for gas appliances. Most modern gas appliances need a 240-volt power supply for electronic ignition, fan-assisted combustion, controls or pumps, with the electrical work handled by a licensed electrical services contractor in parallel with the gas fitting. A coordinated kitchen renovation involving a new gas cooktop, electric oven and rangehood needs both trades to schedule efficiently around the joinery and the appliance delivery.
Plumbing work coordinates with gas hot water system installations, since the water supply and the hot water distribution falls within plumbing scope while the gas supply and the combustion side falls within gas fitting. Many WA tradespeople hold both plumbing and gas authorisations, allowing a single trade to handle both sides of a hot water installation. Where the trades are separate, the coordination is straightforward with the gas fitter and plumber working in sequence on the same day.
Other coordination opportunities include a related window replacement where a kitchen renovation includes the windows, or a floor sanding project on the kitchen floor before the new appliances are installed. An excavation project for outdoor gas points serving barbecues or pool heating, a furniture assembly for new kitchen joinery, or a garage flooring install where the gas hot water unit sits in the garage can also fit into the same project window. Posting the broader scope through The Quote Yard reaches several relevant contractors at once.
Costs, Quoting and Service Calls
Gas fitting prices vary by the scope of work, with simple appliance replacements at the lower end and complex new installations or system overhauls at the upper end. A gas cooktop replacement on an existing gas point runs $250 to $600 including the compliance certificate. A freestanding cooker install runs $350 to $800. A continuous-flow hot water unit install runs $1,800 to $3,500 including the unit, the install and the certification. A gas heater install runs $400 to $1,200. A new gas point with reasonable pipework run length runs $400 to $900.
Callout fees apply to many gas fitting service visits, covering the travel and the initial diagnostic time. Standard callout fees range from $80 to $180 for metro Perth, with regional WA fees typically higher reflecting the longer travel times. Many gas fitters waive the callout fee when the visit results in installation or substantial repair work, with the fee applying only to diagnostic-only visits or quoting visits that do not lead to engagement. The arrangement is clarified at the booking stage.
Site visits for quoting on substantial work are generally free for residential projects. The visit allows the fitter to assess the existing gas service condition, identify any complications, measure the proposed installation, and quote accurately for the agreed scope. A phone-only quote for substantial work is an estimate at best, with the actual price often shifting once the site has been seen. Smaller appliance replacements can often be quoted from the appliance details and a description of the existing installation, with the visit on the install day.
Multiple quotes give a useful picture of the market for the work. Two or three written quotes against a consistent brief from licensed PMA gas fitters allow a meaningful comparison. The quotes should confirm the gas fitter's PMA authorisation, specify the appliance and the pipework, include the compliance certification, and set out the warranty terms. Comparison is meaningful only when the quotes describe equivalent work, with the cheapest quote sometimes being the right one and sometimes hiding gaps in scope. Consumer protection information is published by Consumer Protection WA.
Warranty and Annual Service
Gas appliance warranties cover the manufacturer's responsibility for defects in materials and workmanship of the supplied product. Typical warranty terms run 2 to 10 years for the appliance body and 5 to 15 years for heat exchangers in hot water systems. Brands including Rinnai, Rheem, Vulcan and Bosch publish their warranty terms clearly, with the documentation provided at handover. The installer's workmanship warranty covers the installation work itself, typically running 12 to 24 months for installation defects.
Annual service on gas appliances is recommended by most manufacturers and required by some warranty terms. The service covers cleaning of the burners and heat exchanger, inspection of the gas supply and connections, testing of safety controls, checking of the flue or venting where applicable, and verification of the combustion quality through analyser testing. The service identifies any developing issues before they become failures and ensures the appliance continues to operate efficiently. Service costs typically run $150 to $300 per appliance depending on the type and complexity.
Carbon monoxide testing is a particular focus of gas appliance servicing on flued and unflued heaters. The combustion gas is sampled and analysed for the carbon monoxide content, with any reading above the safe threshold triggering investigation of the appliance and the flue. Faulty appliances or blocked flues that produce dangerous carbon monoxide levels are identified through this testing, with the appliance repaired or decommissioned as needed. The test is a critical safety check that gas fitters perform during the annual service.
Warranty claims for product defects are pursued with the appliance manufacturer rather than the installer in most cases. The installer typically helps the household identify the issue and document it for the claim, with the manufacturer then arranging repair or replacement under the warranty terms. Australian Consumer Law protections through the ACCC apply to gas appliances and installation services, with rights to repair, replacement or refund where the product fails to meet the consumer guarantees.
What to Look Out For
The single biggest issue to look out for in gas work is unlicensed installation. A worker without a current PMA gas authorisation cannot legally perform gas work in WA, and any work they do is uncertified, uninsured and potentially dangerous. The simple check of the PMA number against the Plumbers Licensing Board register protects the household from this scenario. A worker who cannot provide a PMA number, who provides a number that fails the check, or who offers to do the work without certification is not the person to engage regardless of the price offered.
Be cautious of quotes that do not include the compliance certificate. The certificate is the document that confirms the work was done to AS 5601 and the regulatory framework, and the household needs it for the property records, future sales and any insurance claims. A quote that does not mention the certificate, or that treats it as an optional extra, is signalling something the household should consider. Compliance certification is part of any compliant installation, not an add-on.
Watch for vague specifications on the appliance brand and model. The appliance choice affects the price meaningfully, with the quote needing to name the specific manufacturer, model and capacity. A quote that refers only to "a hot water system" or "a gas heater" without naming the product leaves room for substitution to a cheaper unit that performs poorly over years. An honest gas fitter names the appliance and gives the household the option to compare against alternatives at the quoting stage.
Verify the gas fitter's insurance and references. Public liability insurance at meaningful coverage is the baseline, with workers compensation for any employees. The certificate of currency is reasonable to request before engaging on substantial work. References from previous similar work, particularly work still in service after some years, give a useful picture of how the installer's work holds up over time. Tradespeople reluctant to provide insurance certificates or references are signalling something to consider before engaging.
Be wary of pressure to commit on the spot or demands for substantial upfront cash for appliance supply. A reasonable arrangement is a moderate deposit on order to cover the appliance supply, with the balance paid on satisfactory completion of the installation including certification. A demand for full payment in advance, particularly from a worker who appeared unsolicited or who is offering an unusually low price, is a signal to step back and consider alternatives. Honest gas fitters welcome the time needed for the household to compare quotes and make a confident decision.
How to Get Useful Quotes
A useful quote for gas work starts with clarity about what is being installed. The household describes the appliance type, the preferred brand and model where chosen, the existing gas service condition where known, and any pipework or new gas point requirements. For appliance replacements, the existing appliance details help the fitter quote accurately. For new installations, a site visit is generally needed to assess the gas service condition and the proposed pipework path. The clarity at the briefing stage produces accurate quotes.
Three written quotes from licensed PMA gas fitters give a useful picture of the market for the work. The brief describes the existing situation, the desired outcome, any specific appliances the household has chosen, the timing and any related work being planned. The quotes come back confirming the PMA authorisation, specifying the appliance and pipework, including the compliance certification, and setting out the warranty terms and total cost. Comparison is meaningful when the quotes describe equivalent work to the same standard.
The quoting conversation is the right time to discuss related work the household is planning. A gas fitting project that coordinates with a related electrical services upgrade for new appliance circuits, a window replacement on kitchen windows, a floor sanding project on the kitchen floor, an excavation project for outdoor gas points or a furniture assembly for new kitchen joinery can fit into a single project window. Other coordination opportunities include a garage door upgrade where the hot water unit sits in the garage, a front entry door refresh during the same renovation, or any exterior painting coordinated with the broader work.
A moderate deposit on order to cover the appliance supply, with the balance paid on satisfactory completion including the compliance certificate, is the normal arrangement for gas fitting work. The fitter provides the manufacturer documentation, the operating manuals, the warranty paperwork and the gas compliance certificate at handover. The household keeps the documentation with the property records, since it supports any future claim, future property sale and the next service or replacement work on the appliance. The honest gas fitter welcomes the time needed for the household to make a confident choice.
Gas Fitting Across Western Australia
We connect you with licensed PMA gas fitters across Western Australia for natural gas through ATCO Gas WA, LPG installations, cooktops, ovens, hot water systems, gas heaters, outdoor barbecues, new gas points and pipework, leak detection, LPG to natural gas conversion and AS 5601 compliance certification.
▶ Perth Inner City 17 areas
CBD & Surrounds
Inner North
Inner South
Western Suburbs
▶ Greater Perth 26 areas
Northern Suburbs
Southern Suburbs
Eastern Suburbs
Perth Hills
▶ South West 25 areas
Peel
Bunbury Region
Margaret River Region
Great Southern
▶ Regional Western Australia 30 areas
Pilbara
Kimberley
Goldfields
Mid West
Wheatbelt
Gas Fitting FAQs - WA 2026
How much does gas fitting work cost in WA?
Do I need a licensed gas fitter for all gas work?
Continuous flow or storage hot water?
What is the difference between natural gas and LPG?
What is a gas compliance certificate?
Can I convert from LPG to natural gas?
What should I do if I smell gas?
How long do gas appliances last?
Do I need annual service on my gas appliances?
Which brand should I choose?
Should I switch to electric appliances?
What about carbon monoxide safety?
Specialist Trades for Gas Fitting Projects - WA
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For Tradies - WA
Are you a tradie? Browse current job leads on the WA tradie job leads board, where homeowners across Perth and regional WA post real gas fitting and appliance projects. Licensed PMA gas fitters can also explore gas fitter jobs and gas plumber jobs across The Quote Yard.
Need Gas Fitting Work in WA?
Post your job and connect with licensed PMA gas fitters across Western Australia for natural gas through ATCO Gas WA, LPG installations, cooktops, ovens, hot water systems, gas heaters, outdoor barbecues, new gas points and pipework, leak detection, LPG to natural gas conversion and AS 5601 compliance certification across Greater Perth and regional WA.
Get Gas Fitting QuotesLooking for more services across Western Australia? View all available trade services.
Reviewed by The Quote Yard Editorial Team
How The Quote Yard Works
We connect you with independent local tradies and service providers, we don't perform any trade work ourselves. Tradies provide their own quotes directly to you. Always confirm licensing, insurance, and scope of work before engaging any provider.