Cooler due for a check before summer? Book an evaporative cooler service in Perth, or if something has already failed, our evaporative air conditioner repairs team can fix it. Call (08) 9207 2370.
The best time to get your evaporative cooler ready for summer is now, in spring, before the first real Perth heatwave hits. A cooler that sat idle all winter can hide blocked pads, a stuck float or a seized pump, and none of that shows up until you switch it on and expect cold air. Those are evaporative air conditioner repairs rather than service items, so it pays to find them early. A quick pre-season check means the unit is running well when you actually need it. Below is a practical checklist, plus a guide to which jobs are safe to do yourself and which need a licensed technician.
Why spring is the right time to get your evaporative cooler ready for summer
Evaporative coolers draw warm air through wet pads, so the water side of the system sits still all winter. Over those months, pads dry out and go brittle, mineral scale builds up, debris collects in the roof unit, and seals can perish. Perth’s dry heat is exactly what evaporative cooling is built for, which is also why a mid-summer breakdown is so miserable. Repair demand spikes the moment the weather turns, so a fault you could have caught in September can leave you in a queue in December. Preparing early is the cheaper, calmer option.
Your evaporative cooler pre-season service checklist
Work through these steps in order. Some are safe from the ground; others involve the roof, water lines or wiring and belong with a professional, as flagged below.
- Turn it on and test (safe DIY): Run the cooler through its cycle from the controller inside. Let it fill, run the pump, and switch through the fan speeds. Listen for grinding, rattling or a pump that hums but does not move water.
- Check and replace the cooling pads (technician): Dried out, discoloured, crumbling or scale-coated pads will not cool properly and can restrict airflow. Pads sit inside the roof unit, so inspecting and replacing them is a rooftop job for a technician who can match the correct pad type.
- Check the water supply and float (technician): A float valve controls the tank level. Stuck open, it overflows; stuck closed, the pads run dry. This sits in the roof unit alongside plumbing connections, so leave adjustments to a licensed plumber or technician.
- Clear the roof unit and gutters of debris (technician): Leaves, dust and the odd nest gather over winter and can block airflow or wash into the tank. Clearing this means working at height on the roof, so it is a technician task.
- Check the pump and water distribution (technician): The pump lifts water to the pads, and a network of channels spreads it evenly. Seized pumps and blocked lines are a common cause of warm air, and both involve electrical and water components in the roof unit.
- Look for leaks (start DIY, escalate): After a test run, check for water stains on the ceiling below the unit or damp patches around it. Spotting a leak is easy from inside; tracing and fixing it, especially on the roof or in the plumbing, needs a professional.
- Check the controller (safe DIY): Make sure the wall controller powers up, responds and switches modes cleanly, and replace the batteries if it uses them. If it is unresponsive or throwing errors, note it for your technician rather than pulling it apart.
What you can safely do yourself, and what needs a technician
As a rule of thumb, anything you can reach and operate from inside your home is fair game: running a test cycle, checking the controller, and watching for leaks or odd noises. The moment a task involves climbing onto the roof, opening the roof unit, touching water connections, or working with the pump and its wiring, it becomes a professional job. Roofs are a genuine fall risk, and evaporative coolers combine water and electricity in one unit. There is no shame in stopping at the safe checks. For a fuller walkthrough, see the complete evaporative cooler service guide.
Why a professional pre-summer service beats a mid-heatwave breakdown
Knowing how to start up your evaporative cooler and run a few basic checks helps you catch the obvious problems early. A professional evaporative cooler pre-season service goes further: a technician inspects and replaces pads, services the pump, checks the float and water feed, clears the roof unit, and confirms the system is running as it should before the heat arrives. That is the difference between a small, planned job in spring and an urgent callout when every cooling company in Perth is flat out.
Frequently asked questions
When should I get my evaporative cooler ready for summer?
Spring is ideal. Sorting it before the first heatwave means any pad, pump or water issues are handled while demand is low and you are not yet relying on the cooler.
Can I service my evaporative cooler myself?
You can safely run a test cycle, check the controller and watch for leaks from inside. Pad replacement, pump work, roof clearing and anything involving water or wiring should be left to a licensed technician, because of the roof height and the mix of water and electricity.
How often should cooling pads be replaced?
It depends on water quality, dust and how hard the unit works, so there is no single figure. A technician can assess your pads during a pre-season service and advise whether they need replacing this year.
What happens if I skip a pre-season service?
You risk switching the cooler on during a hot spell only to find it blows warm air or will not run at all, then joining a long repair queue at the busiest time of year.
If you would rather have it handled properly before the heat sets in, our technicians look after evaporative coolers across Perth and surrounds. You can book your evaporative cooler service before summer and head into the warm months knowing your cooling is ready.