Refrigerated cooling isn’t the only way to beat Adelaide’s summer heat – evaporative cooling is also a fantastic option!
Evaporative coolers rely on evaporation to reduce the air temperature in your home. They’re highly effective, affordable to run and simple to maintain. The best part is that they create a flow of fresh air in your home, which makes summer temperatures much more bearable.
The only drawback is that evaporative coolers work best in hot, dry conditions. Their efficiency goes down as the ambient temperature drops, which often leaves people wondering if they can leave their cooler on overnight.
In this article, we’ll see whether evaporative coolers work during the night, and whether it’s okay to run your cooler for long periods of time.
How Evaporative Cooling Works
Before we can answer whether evaporative cooling can be left on overnight, let’s take a quick look at how evaporative air conditioning works.
Evaporative cooling uses the process of evaporation to cool the air in your home.
First, the cooler draws air through filter pads that are soaked with fresh water. The water absorbs heat from the air. This causes the air temperature to decrease as the water evaporates. After being cooled, the air is then distributed throughout your home using ductwork.
This system relies on air flow and a small amount of freshwater. Because we’re using evaporation to cool the air, evaporative coolers work best when the ambient temperature is high and relative humidity is low.
Can You Leave Evaporative Cooling on Overnight?
Yes, you can leave your evaporative cooling on overnight. This works best when overnight temperatures are going to remain in the mid 20s celsius or higher.
The challenge is that evaporative coolers work best when the humidity is low. Relative humidity slightly increases during the night as the ambient temperature decreases. This can lower the efficiency of your evaporative cooler.
You might also find that your evaporative cooler makes your home uncomfortably cool overnight. If that’s the case, you can switch to fan-only mode. This creates a cooling air flow without actively lowering the temperature in your house.
Remember that you need to keep some windows and internal doors open while running your evaporative cooler during the night.
Can You Leave Evaporative Cooling on 24/7?
Yes, you can leave an evaporative cooler running 24/7.
Evaporative coolers rely on low-power fans that can run for long periods of time without an issue. While it’s a good idea to switch the system off every now and then, you can use your evaporative cooler during extended stretches of hot weather.
Make sure to have your evaporative cooler serviced ahead of summer. This ensures electrical components like blower motors can withstand hard use.
Get Ready for Any Weather with Evaporative Cooling Maintenance by the Air Conditioning Doctor!
Evaporative cooling is one of the world’s oldest and most effective cooling methods. These types of coolers use simple components to turn hot air into cool, fresh air at any time of the day or night.
Evaporative coolers are so efficient that you can leave them running overnight during the worst of Adelaide’s summers. To make sure your system is ready for hard work, the Air Conditioning Doctor offers evaporative cooling maintenance and repairs!
The Air Conditioning Doctor is a team of technicians that specialises in the repair, maintenance and servicing of household cooling systems. We work on evaporative air conditioning across Adelaide and from all of Australia’s favourite brands, including Brivis, Rinnai, Breezair, Bonaire, Braemar, Coolair and CoolBreeze.
If you need an air conditioning service in Adelaide, our team will ensure your evaporative cooler is in perfect condition and that it’s ready for anything. Book a maintenance appointment today, or speak to our team if you’re experiencing a problem with your evaporative cooler!
Stephen Maitland is the Director of Air Conditioning Doctor and has over 20 years of experience in the refrigeration and air conditioning industry. He founded the company in 2007 to be Adelaide’s leading air conditioning repair, replacement and installation specialist.
As a certified Refrigeration Mechanic with a full unrestricted ARC license, his technical knowledge and years of experience allow him to diagnose problems quickly and offer practical and efficient solutions for his customers.
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