Commercial Refrigeration and Coolrooms Costs WA 2026 - Get Free Quotes

What Commercial Refrigeration Covers in WA

Commercial refrigeration covers every system that holds product below ambient temperature in a business setting. That spans walk in coolrooms and freezer rooms, reach in and display cabinets, underbench and preparation fridges, blast chillers and shock freezers, ice machines, cellar and keg cooling systems, and the condensing plant that serves all of them. The trade sits alongside air conditioning but is not the same discipline. Refrigeration systems run continuously and hold much lower temperatures, and they carry product loss risk that air conditioning does not.

The customer base in Western Australia is broader than hospitality alone. Restaurants, cafes and pubs are the visible end, but supermarkets and independent grocers, butchers and delis, bakeries, florists, pharmacies holding vaccines, medical practices, laboratories, aged care and hospital kitchens, schools, sporting clubs, food manufacturers and cold storage operators all depend on refrigeration. Mine site and camp kitchens across the Pilbara, Goldfields and Kimberley add a substantial segment of their own. Those sites operate under very different constraints to a metropolitan cafe, and they are priced accordingly.

Work divides into three streams that are priced and staffed quite differently. Reactive work is the breakdown call, the coolroom that is running warm, the display case icing up on a Saturday morning. Programmed work is the scheduled maintenance visit covering condenser cleaning, seal checks, temperature verification and refrigerant leak inspection. Project work is the new coolroom, the plant replacement, the fitout for a new venue. A contractor who does all three will price each on a different basis, and knowing which stream your job sits in tells you whether the quote in front of you is structured sensibly.

The distinction from domestic appliance repair is worth drawing clearly. A commercial system is designed for continuous duty, uses different refrigerants and components, and is generally repaired rather than replaced when a part fails. Domestic fridge repairers are not equipped or licensed for most commercial work. Conversely, a commercial refrigeration mechanic is the wrong person to call about a household appliance under warranty. Our commercial air conditioning guide covers the comfort cooling side, which overlaps in trade skills but very little in equipment.

Refrigeration rarely stands alone in a commercial fitout. It requires dedicated electrical circuits, adequate ventilation for the condensing plant, drainage for defrost water and condensate, and floor construction that can carry the load. Coordination with commercial electrical and commercial plumbing trades during fitout is what determines whether the installation is straightforward or a series of expensive retrofits. Deciding where the condensing unit lives is a decision best made before the walls go up.

Licensing, Registration and WA Compliance

Anyone handling refrigerant in Australia requires a refrigerant handling licence issued through the Australian Refrigeration Council. This is a Commonwealth requirement operating uniformly across every state, so it does not vary between Western Australia and the eastern states. The licence covers the recovery, charging and disposal of refrigerant gas, and businesses buying or holding refrigerant require a separate refrigerant trading authorisation. Asking for the licence number before engagement is a reasonable request. Legitimate contractors expect it and answer without hesitation.

Electrical work is where the Western Australian requirement bites, and it is separate from the refrigerant licence. Electrical installing work must be performed by a licensed electrical contractor under the Electricity (Licensing) Regulations 1991, administered through Building and Energy at the Department of Energy, Mines, Industry Regulation and Safety. Many refrigeration businesses hold both, but plenty do not, and a refrigeration mechanic connecting a new condensing unit to a distribution board without an electrical licence is doing unlicensed work. Licences can be checked through DMIRS.

That split catches interstate contractors and new operators more often than it should. The refrigerant licence is national and easily assumed to cover the whole job, but it authorises nothing electrical. Where a job involves running a new circuit, altering a switchboard or hardwiring plant, the electrical component needs a licensed contractor and produces its own compliance paperwork. Our commercial electrician guide covers what that documentation should look like at handover. Ask for it rather than assuming it will arrive.

Building work brings a third layer. A coolroom built as a structure within a building, or an external plant enclosure, may constitute building work requiring a permit from the local government under the Building Act 2011. Structural work above the registration threshold requires a registered building contractor under the Building Services (Registration) Act 2011. Small internal coolrooms frequently sit below that threshold, but assuming so without checking is a poor idea, particularly where the installation affects egress, fire separation or the building's structure.

Work health and safety obligations under the Work Health and Safety Act 2020 apply throughout. Coolrooms and freezer rooms can present confined space risk depending on configuration, refrigerant release displaces oxygen, and industrial systems using ammonia carry serious toxicity risk requiring specific controls. Working at height applies to roof mounted condensing plant. Current guidance for duty holders is published by WorkSafe WA. It is written for building occupiers as much as for contractors, and the duty does not transfer with the invoice.

Food Safety and Temperature Control

Food businesses in Western Australia are registered with their local government under the Food Act 2008 and inspected by environmental health officers on a risk basis. The Food Standards Code applies through that Act, and Standard 3.2.2 sets the food safety practices that govern temperature control. Potentially hazardous food must be held at five degrees Celsius or below, or sixty degrees or above, unless the business can demonstrate an alternative arrangement is safe. Refrigeration is how the cold half of that requirement is met.

The obligation is to demonstrate compliance rather than simply to achieve it. An environmental health officer asking how a business knows its coolroom holds temperature wants to see records rather than an assurance. Manual temperature logging with a clipboard and a thermometer satisfies the requirement in principle, but in practice the logs are frequently filled in retrospectively or not at all, which is obvious to an inspector and useless as evidence. This is the practical argument for automated monitoring in any business with meaningful stock at risk. The record then exists whether or not anyone remembers to create it.

Automated temperature monitoring systems log continuously, store the history, and alarm when a room drifts outside its set range. Costs run from eight hundred dollars for a basic logger through to four and a half thousand for a multi sensor system with remote alerting. The value is in two things: the record exists without anyone remembering to create it, and somebody finds out about a failure at two in the morning rather than at eight. For a business holding tens of thousands of dollars of stock, the payback on a single avoided loss is immediate.

Calibration is the part that gets overlooked. A monitoring system reporting temperatures from an uncalibrated sensor produces confident numbers that may be wrong, and a sensor placed in the wrong position reports the temperature of a location rather than of the product. Sensors belong in the warmest part of the room rather than in the return air stream, and calibration should be checked periodically against a reference thermometer. A contractor who installs monitoring without discussing sensor placement has sold hardware rather than a solution. Ask where the sensors will sit and why.

Cooling processes carry their own requirements distinct from storage. Standard 3.2.2 addresses the cooling of cooked food through the temperature danger zone within specified times, and a busy kitchen cooling large volumes in a standard coolroom frequently cannot achieve it. Blast chillers exist for exactly this purpose, dropping product temperature rapidly and producing a record that the process was completed. They cost between nine and thirty five thousand dollars installed, which is substantial, but for any business cooking in bulk for later service they are the only reliable way to demonstrate compliance.

Cleaning and hygiene of refrigeration equipment is an inspection point in its own right. Coolroom floors, shelving, door seals and drain lines all harbour contamination, and a mouldy door seal is both a hygiene finding and a sign the room is not sealing properly. Regular deep cleaning belongs in the schedule alongside mechanical servicing, and our commercial cleaning guide covers the premises side of that work. Health information for WA is published through the WA Department of Health, while registration itself runs through the local government.

Coolroom Panels, Insulation and Fire Performance

Coolrooms are built from insulated sandwich panel, which is a rigid insulating core bonded between two sheets of coated steel. Panel thickness determines insulation performance, and the standard progression runs from around seventy five millimetres for a chiller through one hundred to one hundred and fifty millimetres or more for a freezer room. Underspecifying panel thickness produces a room that holds temperature poorly and runs its plant harder. It then costs more to operate for its entire service life, which is a long time to pay for a small saving.

The core material is the decision that matters most and it is not primarily about insulation. Expanded polystyrene cores were used extensively in Australian coolroom construction for decades, and they are combustible. Insulated panel fires have caused several major losses in Australian food premises and warehouses, and the behaviour of a burning polystyrene core inside a sealed steel skin is genuinely difficult to fight. Polyisocyanurate and mineral fibre cores offer substantially better fire performance. Both have become the specification of choice for new work, and the cost difference is modest.

The National Construction Code sets fire performance requirements for materials in commercial buildings, and insurers have moved faster than the code in this area. Many insurers now ask directly what the panel core is, and some price or decline cover on the basis of the answer. Where an existing building contains older polystyrene panel, that is worth knowing before a renewal rather than after a claim. A building inspection can identify panel type as part of a broader condition assessment.

Panel penetrations are where fire performance and hygiene both get compromised in practice. Every cable, pipe and refrigerant line entering a coolroom passes through the panel, and each penetration needs sealing properly. Poorly sealed penetrations admit warm moist air, which condenses and eventually saturates the core, degrading insulation permanently. They also provide a path for vermin. A contractor who core drills panel and leaves the penetration unsealed has created a defect. It will not become visible for months, by which time the core may be saturated.

Floors deserve separate thought, particularly in freezer rooms. A freezer operating below zero for extended periods will freeze the ground beneath it unless the floor is insulated and, in most cases, provided with underfloor heating. Frost heave under a freezer room lifts and cracks the slab, and correcting it means dismantling the room. Underfloor heating elements are inexpensive at construction and effectively impossible to retrofit, which makes this one of the clearest cases in commercial fitout for getting the specification right first time.

Sizing, Heat Load and Perth Conditions

Refrigeration plant is sized from a calculated heat load rather than from a rule of thumb, and the calculation accounts for more than the room's dimensions. Heat enters through the panels, through the floor, every time the door opens, from the product being brought in warm, from lighting and fans inside the room, and from anyone working in it. Product pull down load is the energy required to bring warm stock down to storage temperature. It is frequently the largest single component in a busy operation, and it is the one most often underestimated.

Ambient design temperature is where Western Australian conditions change the answer. A condensing unit rejects heat to the surrounding air, and its capacity falls as that air gets hotter. Plant sized against a mild design temperature will struggle through a Perth summer and fail on the days it is needed most. Inland locations including Kalgoorlie, and the northern centres of Karratha, Port Hedland and Newman, run substantially hotter again, and equipment specified for a metropolitan coastal site is not automatically suitable there.

Condensing unit location matters as much as its capacity. A unit in a hot enclosed plant room, or against a wall with insufficient clearance, recirculates its own discharge air and effectively operates at a higher ambient than the weather suggests. Units mounted on a west facing wall or an unshaded roof take direct afternoon sun on top of everything else. Adequate clearance, shade and free air movement cost nothing at design. They are expensive to correct afterwards, because relocating plant means new pipework, new wiring and a full re-commission.

Oversizing carries its own penalty and is a common overcorrection. A system with far more capacity than the load requires will short cycle, meaning it runs briefly, satisfies the thermostat and stops, repeatedly. Short cycling gives poor humidity control, wears compressors through frequent starts, and delivers uneven temperature through the room. Correct sizing produces longer run times at lower load, which is both more stable and easier on the equipment. A contractor who sizes by matching whatever was there before has not done the calculation.

Door management is the cheapest and most neglected lever on heat load in an operating business. Every door opening admits warm humid air that must then be removed, and in a busy kitchen the coolroom door may open hundreds of times a day. Strip curtains, air curtains, self closers and simple staff discipline all reduce the load materially. Door seals degrade, and a coolroom door that no longer seals is a continuous load rather than an intermittent one, which is why seal condition belongs on every maintenance visit.

Insulation elsewhere in the building affects refrigeration performance more than most operators expect. A coolroom sitting inside an uninsulated roof space that reaches fifty degrees in summer is fighting a much larger load than the same room in a conditioned area. Our ceiling and wall insulation page covers the building fabric side. Improving the envelope around the plant is occasionally cheaper than upgrading the plant itself. It is worth pricing both before committing.

Preventive Maintenance and Monitoring

Refrigeration is the clearest case in commercial building services for preventive maintenance over reactive repair, because the failure cost includes stock. A maintenance agreement covering scheduled visits typically runs between one thousand two hundred and six thousand five hundred dollars per year depending on asset count and visit frequency, which is frequently less than a single significant stock loss. Agreements are priced on the number and type of assets and the number of site visits. Floor area has very little to do with it.

Condenser cleaning is the single highest value routine task and the most commonly skipped. A condenser coil clogged with dust, grease or lint cannot reject heat, which raises head pressure, increases energy consumption, reduces capacity and shortens compressor life. In a commercial kitchen the coil loads with airborne grease, and in a bakery or joinery it loads with fine dust. Coils in those environments may need cleaning quarterly rather than annually. A contractor applying the same interval to every site regardless of environment has not assessed it. Ask what interval they propose and why.

A proper service visit covers more than the condenser. Refrigerant charge and system pressures, superheat and subcooling, compressor operation, evaporator condition and defrost function, fan motors and blades, door seals and closers, drain lines and traps, thermostat calibration, and electrical connections and contactors all belong on the checklist. The output should be a report recording what was found and what was adjusted, not simply an invoice confirming attendance. Ask what the service sheet covers before signing an agreement. A contractor with a real checklist will show it to you.

Leak detection deserves specific mention because refrigerant loss is both an operating cost and a compliance matter. A system losing charge gradually delivers falling performance long before it stops working, and the business pays for the lost capacity in energy and stock quality without knowing why. Licensed technicians are required to check for leaks and to recover rather than vent refrigerant. A system that has needed topping up more than once is leaking and should be repaired rather than repeatedly recharged.

Remote monitoring has changed what maintenance can achieve. Systems that log temperature, pressure and run time allow a contractor to see a developing problem in the data before it becomes a failure, and to attend with the right part rather than diagnosing on site. For multi site operators the benefit compounds, because a single dashboard covering every venue replaces individual phone calls. The connectivity requirement is modest. Our business internet guide covers the service side of that, and most sites already have what is needed.

Energy consumption is a legitimate reason to review ageing plant. Refrigeration runs continuously and is frequently the largest single electrical load in a food business, so efficiency differences between old and new equipment show up clearly on the bill. Electronically commutated fan motors, better controls and correctly sized modern plant all reduce consumption. Where a business is also considering commercial solar, refrigeration load is the daytime base load that makes the economics work.

Breakdown Response and Protecting Stock

The cost of a refrigeration failure is dominated by stock rather than by repair. A well stocked coolroom in a restaurant may hold several thousand dollars of product, a butcher or seafood supplier considerably more, and a cold storage operator or supermarket more again. Business interruption follows immediately behind, because a venue that cannot store product safely cannot trade. Setting the maintenance and response arrangements against that exposure is the correct way to think about it. Comparing them against the service invoice alone understates what is being bought.

Response time is what a maintenance agreement actually buys, and it is worth more than the discount on labour rates. A contractual response commitment converts an uncertain wait into a defined obligation, and during a summer heatwave when every refrigeration contractor in Perth is fielding calls, being on an agreement is the difference between attendance in hours and attendance in days. Confirm what the response commitment actually says. Best endeavours and a stated number of hours are very different undertakings, and only one of them is enforceable.

Having a contingency plan matters as much as having a contractor. Knowing in advance where stock can be moved, whether a neighbouring business has spare capacity, and who supplies refrigerated trailers or portable coolrooms at short notice turns a crisis into an inconvenience. Refrigerated container and trailer hire is available in Perth and most regional centres, and the time to find the number is before the coolroom fails rather than during. Businesses that have thought this through lose far less product than those improvising.

Alarms are the difference between a manageable event and a total loss. A coolroom that fails at ten at night and is discovered at seven the next morning has been warm for nine hours. The same failure with an alarm sent to a phone can be addressed while the room is still cold enough to save the contents. Temperature monitoring with remote alerting costs a fraction of a single loss. It is the most straightforward risk control available to any business holding refrigerated stock, and it works while nobody is on site.

Insurance treatment of stock loss varies considerably and is worth understanding before an incident rather than after. Some policies cover deterioration of stock following plant breakdown, some require the plant to have been maintained to a schedule, and some exclude losses arising from a failure the business could reasonably have prevented. Maintenance records and temperature logs are what support a claim. Keeping them together with the service reports makes the claim process straightforward instead of adversarial.

Power supply is the failure mode people forget to plan for. A refrigeration system is only as reliable as the electricity feeding it, and an outage, a tripped circuit or a failed contactor stops the plant regardless of its condition. Ensuring refrigeration sits on appropriately protected dedicated circuits, and that someone knows where the isolators are, is basic but frequently overlooked. Our commercial electrician guide covers switchboard arrangements and circuit protection. Labelling the board properly is a small job that pays off during a fault.

Equipment, Refrigerants and Component Choices

Commercial refrigeration equipment in Australia comes from a well established group of manufacturers, and the names recur across most installations. Bitzer and Copeland are the dominant compressor brands, Danfoss supplies a large share of controls and valves, and Heatcraft and Kirby are long standing suppliers of condensing units and coils across the Australian market. On the display and cabinet side, Skope, Bromic and Williams are widely specified in hospitality. Actrol is the wholesale supply chain most WA contractors buy through.

Brand matters less than parts availability, which is the practical question in Western Australia. A component sitting on a shelf in Perth is a same day repair, while one that has to come from the eastern states or from overseas is a week of downtime with stock at risk. Asking a contractor which brands they carry stock for, and what the typical lead time is on a compressor for the system being quoted, is a more useful question than which brand is best. That question matters twice as much on a regional site, where freight adds days to any part that is not held locally.

Refrigerant choice affects both servicing and long term cost. The industry is working through a phase-down of certain older refrigerant types under Commonwealth refrigerant handling legislation, which applies uniformly across Australia. The practical consequence is that gases used in equipment installed a decade or more ago are becoming scarcer and more expensive, and a system on an older refrigerant may cost considerably more to recharge than the same system on a current gas. This shifts the economics of repair against replacement on ageing plant.

Some newer refrigerants are classified as mildly flammable, which introduces charge limits and installation requirements that did not previously apply. Those requirements affect where plant can be located, how much refrigerant a system may hold in a given space, and what ventilation is needed. This is not a reason to avoid modern equipment. It is a reason to use a contractor working to current rules rather than to practice from fifteen years ago. Ask what the charge limit is for the space involved.

Remote versus self contained plant is a decision with long consequences. Self contained cabinets have the condensing unit built in, which is simple to install but rejects heat directly into the room and makes for a hotter, noisier kitchen. Remote systems place the condensing unit outside or on the roof, which improves conditions inside and generally allows more efficient plant, at the cost of pipework and a more involved installation. In a small cafe self contained usually wins, and in a production kitchen remote almost always does.

Installation, Fitout and Coordination

Refrigeration installation is a fitout activity rather than a standalone one, and the decisions that cause trouble are made early. Where the coolroom sits, where the condensing unit goes, how the refrigerant lines run between them, where the defrost and condensate drainage discharges, and what electrical capacity is available all need resolving before the walls are lined. Retrofitting any of these after the fact is disproportionately expensive relative to getting them right on a drawing. Our retail shopfitting guide covers the wider fitout sequence for food tenancies. Mechanical services belong early in that sequence rather than late.

Electrical supply is the constraint that surprises tenants most often. Refrigeration plant draws continuously and starts under load, and a tenancy with limited spare capacity in its distribution board may not be able to support the equipment a business plans to install. Establishing available capacity in writing during lease negotiation, rather than after the fitout design is complete, is the single most valuable thing a prospective tenant can do. Our office fitout page covers the same principle for commercial tenancies generally.

Drainage requirements are routinely underestimated. Coolroom floors, evaporator trays and defrost cycles all produce water that must go somewhere, and that discharge generally requires a tundish or floor waste with an air gap rather than a direct connection. Freezer room drains need trace heating to prevent them freezing. A drain that has been run without fall, or that discharges somewhere it should not, produces water on the kitchen floor and a hygiene finding at the next inspection.

Noise is a planning consideration in mixed use and inner suburban locations. Condensing units run continuously including overnight, and a unit mounted near a residential boundary or below apartments will generate complaints. Local governments in WA apply noise regulations, and a business that installs plant without considering acoustic impact may find itself required to modify or relocate it. Acoustic enclosures, anti vibration mounts and sensible location choices are far cheaper than moving plant after a complaint is upheld.

Access for future service should be designed in rather than left to chance. A condensing unit crammed into a space with no clearance cannot be serviced properly, and a coolroom evaporator with no safe access above it means every service becomes a ladder job in a confined space. Contractors price difficulty, so an installation that is awkward to service costs more every year for its entire life. Ask during design how the equipment will be reached for maintenance. The answer affects every service visit for the life of the plant, because contractors price difficulty.

Commissioning and handover documentation are what turn an installation into an asset with a maintainable history. The handover package should include equipment schedules and model numbers, refrigerant type and charge, electrical details, control settings, warranty terms, and the commissioning results. Where a business changes contractor later, that documentation is what allows the new contractor to work efficiently rather than spending the first visit working out what is installed. Records belong to the business rather than to whoever installed the plant.

Shopping Centres, Strata and Shared Plant

Food tenancies in shopping centres and strata schemes operate under constraints that a standalone premises does not face. Condensing plant is frequently located on a shared roof or in a common plant area, refrigerant lines run through common property, and access for installation or service requires coordination with centre management rather than simply turning up. Those arrangements are workable but they add time to every job. A contractor who has not been told about them will either arrive unprepared or vary the price.

Responsibility for shared elements depends on whether they are lot property or common property under the Strata Titles Act 1985. The plant serving a single tenancy is generally the tenant's or lot owner's responsibility even where it sits on common property, but the roof it is mounted on, the penetrations through it, and the pathway the lines take are usually common property administered by the strata company. Western Australia also distinguishes survey strata schemes, where lot boundaries are surveyed land rather than building elements. That changes the answer again, so the registered plan is the only reliable source.

Approval processes add lead time that has nothing to do with the contractor's availability. Installing new plant on a common roof generally requires strata company authorisation, and substantial work commonly needs a resolution at a general meeting rather than an administrative sign off. A tenant fitting out a new food tenancy on a tight programme can lose weeks to that cycle. Our strata and body corporate plumbing guide covers the same approval dynamic. Building the meeting cycle into the programme from the outset avoids the delay.

Shopping centres impose their own conditions on top of the strata or lease position. Centre management typically restricts working hours, requires contractor inductions and insurance verification, controls loading dock access and lift bookings, and may require works to be carried out overnight. None of that is unreasonable, but all of it consumes time and appears in the price. Establishing the centre's contractor requirements before quoting avoids a quote that cannot actually be delivered.

Shared condensing systems, where a single plant serves multiple tenancies, create a different set of problems. Cost apportionment between tenants, responsibility for maintenance, and what happens when one tenant's failure affects another all need to be established in writing. Where a centre operates shared plant, the tenant's own obligations may be limited to the equipment inside their tenancy, which is worth confirming before assuming responsibility for something the landlord maintains. Reading the lease on this point before signing is considerably easier than arguing about it later. The clause is usually short and rarely read.

Regional and Remote WA

Refrigeration in regional Western Australia operates under constraints that do not apply in Perth, and the cost structure reflects them genuinely rather than opportunistically. The technician base outside the metropolitan area is thin, and many regional centres are served by contractors travelling from Perth or from a larger regional hub. Mobilisation covering travel time, vehicle costs and accommodation can exceed the labour value of a straightforward repair. Batching several jobs into one visit is the most effective control available.

Parts availability, rather than technician availability, is usually what determines how long a regional breakdown lasts. A compressor that has to be freighted from Perth to Karratha adds days to a repair during which stock is at risk. Businesses in remote locations that hold critical spares on site, or that specify equipment their contractor stocks parts for, recover far faster than those that do not. This is a legitimate reason to prefer common equipment over an unusual brand on a remote site. Availability beats specification when stock is at risk.

Ambient conditions in the north and the interior push equipment considerably harder than in Perth. Design ambient temperatures in the Pilbara and Goldfields are well above metropolitan figures, and plant specified for a coastal Perth site will underperform or fail there. Dust is the other regional factor. Condenser coils in the Wheatbelt, Goldfields and Pilbara load with fine dust far faster than in the city, which shortens the practical cleaning interval and makes coil protection worth considering.

Mine site and camp kitchens are a substantial part of the Western Australian refrigeration market and they operate on different terms entirely. Volumes are high, service is continuous, and there is no alternative food supply within reach if refrigeration fails. Site access adds real overhead through inductions, permit to work systems, competency verification and drug and alcohol testing before any productive work begins. Contractors experienced in resource sector work price that overhead because it exists. A quote that appears substantially cheaper has usually not allowed for it. Ask what has been included for induction and permits.

Coastal regional sites from Geraldton through Broome add corrosion to the list. Salt laden air attacks condenser coils, fan housings, fixings and electrical enclosures, and a corroded coil loses heat rejection capacity long before it fails outright. Coated coils and appropriate enclosure ratings extend equipment life materially in those locations, and the additional cost at purchase is modest against premature replacement. Businesses working through their broader regulatory obligations can start at ABLIS, which covers licensing across jurisdictions.

What to Look Out For and Getting Useful Quotes

The most useful information a business can provide is the equipment list, the product being stored and the operating pattern. Room dimensions alone are not enough, because the heat load depends on how much warm product goes in, how often the door opens and what the surrounding environment is like. Photographs of the existing plant, including the data plate on the condensing unit, are worth more than a paragraph of description. Supplying that detail upfront is what makes quotes comparable. Withholding it produces three prices built on three different assumptions.

Site visits are not optional for anything beyond a straightforward service call. Available electrical capacity, condensing unit location and clearance, drainage routes, access for installation and the condition of existing plant all affect the price materially and cannot be assessed remotely. A contractor willing to quote a coolroom installation without attending is pricing assumptions. The wider set of building services we cover sits on our WA services hub. Several of them touch a commercial refrigeration installation.

Ask for the heat load calculation on any new installation. A quote for a coolroom that names a room size and a plant capacity without showing how the two connect has been sized by eye or by copying the previous installation. The calculation is a routine piece of work for a competent contractor and it protects the client, because undersized plant fails in summer and oversized plant short cycles. A contractor who cannot produce one on request is not the contractor for the job.

Warning signs are consistent. Reluctance to provide the refrigerant handling licence number is one, and reluctance to confirm who is doing the electrical work is another. A quote for repeated refrigerant top ups without any mention of leak repair indicates a system being maintained rather than fixed. Pressure for substantial payment before equipment is ordered is worth questioning, and a proposal that does not state the refrigerant type or the equipment brands leaves you unable to compare it with anything.

Verify insurance and licensing rather than assuming. Public liability cover should be current, and workers compensation needs separate confirmation where the contractor employs staff. Both the refrigerant handling licence and, where relevant, the electrical contractor licence should be checked rather than taken on trust, because the two are separate and holding one says nothing about the other. Certificates expire, so check the date on the document rather than the document itself.

Compare maintenance agreements on what they include rather than on the annual figure. Visit frequency, which assets are covered, whether condenser cleaning is included, what the response commitment actually says, and whether parts and labour on breakdowns are included or charged separately all vary widely between offers. An agreement that looks cheaper may cover attendance only. Ask each contractor for a worked example of a typical year including a breakdown, because that is the number that matters. Consumer Protection WA handles WA enquiries, and the ACCC publishes the national guarantees.