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The Bureau of Meteorology has officially forecast another El Niño, and this means “warmer daytime temperatures across southern Australia through winter, spring and summer.” (Source: ABC News). When this warmer weather hits, you’ll certainly want your cooling systems to be in tip top shape.
So, if you own an evaporative cooler and make sure you’re properly prepared, we’re here to help. In this article, we’ll provide some expert advice, guidance, and tips to help you get ready for the summer heat.
From Bonaire to Breezeair and Braemar, there are a range of great evaporative cooling brands on the market. However, even the best system needs to be properly maintained and prepared for the summer months.
Below, we’ve compiled a quick checklist of things to check:
Don’t wait for the first hot day of summer to find out your evaporative cooler isn’t working properly. It’s best to turn it on before the weather heats up and check that everything is operating as expected.
Look out for:
For a ducted system, check several rooms to make sure cool air is reaching the areas you use most. With a portable unit, check the fan, pump and water tank.
If something doesn’t seem right, it’s better to have it checked now rather than the middle of January or February.
Cooling pads are fundamental to the way evaporative coolers work. Over time, the pads can collect dust, dirt and mineral deposits. If the pads become dirty or clogged, this can affect airflow and cooling performance.
For a portable cooler, check the pads and clean or replace them according to the manufacturer’s instructions. Ducted systems can be more difficult to access, particularly when the unit is installed on the roof, so professional servicing is often the better option.
Evaporative cooling needs a good flow of outdoor air to work properly. Unlike refrigerated air conditioning, it isn’t designed to operate with the entire home sealed up.
For portable evaporative coolers:
For ducted systems, check that windows, doors or other designated openings can provide the airflow the system needs.
Your evaporative cooler relies on water, so the water supply needs to be working properly before summer.
For portable systems, clean the tank, use fresh water and check that the pump is operating correctly.
Ducted systems have additional components, including the water supply, pump, float valve and water distribution system. Look for leaks, blockages or signs of mineral build-up.
Maroondah Heating & Cooling recommends having an evaporative cooling system serviced after its first year and then annually. Regular servicing can identify problems before they become more expensive repairs and help keep the system operating properly through summer.
A professional service can include checking and cleaning key components such as:
The basic maintenance principles are similar, but portable and ducted evaporative coolers have different requirements.
Portable units are relatively simple to prepare for summer. Before using yours, give it a thorough clean and check that the main components are working.
A quick pre-summer check should include:
Always refer to the manufacturer’s instructions for cleaning and maintenance.
Ducted systems are more complex and usually have a roof-mounted unit connected to ductwork throughout the home.
Before summer, check that:
Because many of the components are located on the roof, it’s best to have a qualified technician carry out servicing and repairs rather than attempting to access the unit yourself.
Cleaning out your evaporative cooling system is an important measure that should be completed at least once a year. One of the most important parts of your evaporative cooling unit that should be cleaned regularly is the swamp cooler pads. Chat to our Maroondah Heating and Cooling team today to find out more.
Yes. If your evaporative cooler isn’t providing the level of cooling you want, replacing it with a split system is one option.
Evaporative cooling works particularly well in Melbourne’s hot, dry weather, but its performance can be affected by humidity. A reverse-cycle split system can provide more consistent cooling and can also be used for heating during winter.
Newer split systems are quiet, efficient, versatile, and cost-effective in the long run. There’s also a great range of brands to choose from, including Daikin, Hisense, Panasonic and Fujitsu.
A heating and cooling specialist can assess your existing system and explain which options make sense for your home.
As a homeowner in Victoria, you may be eligible for discounts through the Victorian Energy Upgrades (VEU) program, especially if you’re replacing an existing cooling system with an eligible high-efficiency reverse-cycle air conditioner.
Eligibility depends on factors including the existing system, the current VEU requirements, and whether or not you’re electrifying the household and going gas free.
If you’re considering replacing your evaporative cooler, ask your heating and cooling provider whether your proposed system may qualify for a current discount before you proceed.

As a leading heating and cooling company, we’ve installed and serviced evaporative coolers for countless decades. If you want a natural cooling system for your home, Maroondah Air is the go-to team for evaporative cooling in Bayswater, Camberwell, Glen Waverley, Lilydale, and various other areas of Melbourne.
Our services are backed by workmanship guarantees, transparent pricing and access to leading industry brands. Get in touch with us today and stay ahead of the curve!
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