What a service visit includes
Most refrigeration companies say they offer "maintenance" and leave it there. Here is the actual list Sam works through on a commercial refrigeration service, and the reason each step is on it. Not every task applies to every unit: a plug-in display fridge has no separate condensing unit on the roof, and only sites with an ice machine get a descale.
| Task | Why it matters |
|---|---|
| Condenser coil clean | The condenser is where heat leaves the system. Dust, lint and kitchen grease insulate the fins, so the compressor runs longer and hotter to do the same job. |
| Evaporator coil and drain line | A clean evaporator moves cold air properly. A blocked drain line sends defrost water onto the floor or freezes into a block of ice under the coil. |
| Door seals and hinges | A torn gasket or a door that sags off its seal lets warm, humid air in all day. That means more running time, frost build-up and warmer product near the door. |
| Refrigerant pressures and superheat | Pressure and superheat readings show whether the system holds the right charge and the expansion valve is feeding the coil correctly. Small drifts show up here long before the cabinet warms. |
| Leak check | Joints, valves and flare fittings are checked for escaping refrigerant. Finding a slow leak early is cheaper than a compressor that has run short of gas for months. |
| Electrical connections and amp draw | Loose terminals overheat and fail. Measuring the current each compressor and fan draws, and comparing it with its rating, flags a motor that is starting to struggle. |
| Fan motors | Condenser and evaporator fans are checked for bearing noise, blade damage and correct speed. A seized fan is one of the most common causes of a warm cool room. |
| Defrost cycle | Heaters, timers and termination settings are checked so the coil clears fully on each cycle without warming the box more than it needs to. |
| Controller and probe calibration | Each controller display is checked against a reference thermometer. If the screen says 3 degrees and the product is at 7, your logs are wrong and so is your food safety record. |
| Temperature log review | Sam looks over your recorded temperatures for patterns, such as a cabinet that drifts up every afternoon, that point to a fault the spot check might miss. |
| Ice machine descale (where fitted) | Scale on the evaporator plate slows harvest and cuts output. The machine is descaled and sanitised so the ice stays clean. |
Anything found that needs a part or a repair is noted and quoted before it is done. You decide whether to go ahead on the day or book it in.
How often commercial refrigeration should be serviced
There is no single interval that suits every site. The right frequency depends on the equipment, how hard it works and the air around the condenser. As general guidance:
- Every six months for most reach-in fridges, display cabinets and cool rooms in a clean shop, office kitchen or air-conditioned back of house.
- Every three months for commercial kitchens, where airborne grease coats condenser fins quickly, and for dusty sites such as warehouses, workshops and industrial estates.
- Every three months for condensing units on roofs or walls in full sun, and for supermarket plant that runs flat out for long trading hours.
- Ice machines on the water they use: hard water and high output mean more frequent descaling.
Timing matters as much as frequency in Perth. A service in late winter or spring, before the first run of 40 degree days, puts the condenser in its best condition for the months when it has the least margin. On the first visit Sam lists every unit and recommends an interval for each, rather than putting the whole site on one schedule because it is simpler to invoice.
What regular maintenance prevents
Summer is when refrigeration fails, and the reason is usually something a service would have caught. On a hot afternoon the condenser has to push heat into air that is already very warm. If the coil is half blocked or a fan is weak, head pressure climbs, the compressor overheats and trips, and the cool room starts warming while the kitchen is at its busiest.
Breakdowns at the worst time. Worn fan bearings, loose terminals and failing contactors give warning signs that a technician can measure weeks before they stop working.
Stock loss. One failed cool room overnight can mean throwing out everything in it. Prevention costs far less than replacing a room full of produce, meat or dairy.
Energy waste. Dirty coils and leaking door seals keep compressors running longer for the same temperature, and that shows up on every power bill.
Shorter equipment life. A compressor that runs hot and long every day wears out years earlier than one with a clean condenser and the right charge.
When something does fail between services, Sam handles cool room repairs and commercial fridge and freezer repairs with same-day emergency callouts across Perth.
Service records for food safety audits and insurance
Under the Food Standards Code, chilled food has to be kept at 5 degrees C or colder and frozen food has to stay frozen hard. Your temperature logs are how you prove it, and those logs are only as good as the thermometers and displays behind them. A controller that reads two degrees low makes every entry in the book wrong.
Each maintenance visit gives you a dated record of which units were serviced, the temperatures measured, any controller corrections and any faults found. File it with your food safety program. If an environmental health officer or a third-party auditor asks how you know your cold storage is reliable, you can show them.
Check your policy. Some business insurers ask for evidence of regular maintenance when assessing a spoilage or machinery breakdown claim. If your policy covers stock in refrigeration, read the conditions and keep your service records where you can find them.
Maintenance plans: single visit, quarterly or six-monthly
There are three ways to book commercial refrigerator servicing, and the right one depends on how much equipment you run and how much a breakdown would hurt.
- Single service visit. A one-off service for a site that has not been looked at in a while, a new tenancy taking over existing equipment, or a pre-summer check. It is also the best way to see what a visit involves before committing to a schedule.
- Quarterly maintenance plan. Four visits a year for kitchens, supermarkets, dusty sites and anywhere with equipment working hard in the heat.
- Six-monthly maintenance plan. Two visits a year, timed before and after summer, for equipment in cleaner, cooler conditions.
Plans are priced per site once Sam knows what is on it, so you get a fixed quote before any work. Ask about how plan customers are looked after when something breaks between visits. Because it is one company with no subcontractors, the technician who services your gear is the same one who turns up if it fails.
Signs your refrigeration is overdue for a service
If you are not sure when your equipment was last serviced, it is overdue. Other warning signs:
- The compressor seems to run constantly and rarely cycles off.
- Ice is building up on the evaporator coil or around the fan.
- Water is pooling under a cabinet or on the cool room floor.
- Door gaskets are torn, flattened or no longer grip the frame.
- Condensation forms on display glass or around door frames.
- Product at the top or front of a cabinet is warmer than at the back.
- The display reads differently from a probe thermometer in the product.
- Your power bill has crept up with no change in trading.
- There is a new rattle, hum or clicking from the condensing unit.
- Ice output has dropped or the ice looks cloudy and soft.
Any one of these on its own is worth a call. Several together usually means a fault is already developing.
Equipment we service across Perth
Sam Celesti has more than 20 years in commercial refrigeration and holds ARCtick licence AU55592. He services walk-in cool rooms and freezer rooms, reach-in and upright fridges, underbench and bar fridges, supermarket display cases and ice machines, for restaurants, supermarkets, medical facilities, hotels, bars and industrial sites across the metro area.
Ice machines on a plan get the same attention as the fridges; see ice machine repairs and cleaning for what that involves. If an old room is costing more to keep running than it is worth, Sam can also quote a new cool room or freezer room build. Request a quote and you will get a callback within 30 minutes.
