Air Coolers vs Air Conditioners in Malaysia









The main difference between air coolers and air conditioners is that air coolers use much less electricity and are only able to reduce temperature by a few degrees Celsius, whereas air conditioners consume more electricity and can easily reduce temperature over 10 degrees Celsius.
Air cooler is a great home appliance for Malaysian homes because it saves energy, eco-friendly and can be used in open space. 



Below is a full comparison between air coolers and air conditioners:
Air CoolersAir ConditionersChill the airCool the airUses water evaporation to achieve the cooling effectCooling with refrigerant/coolantConsumes less electricityConsume more electricityCan be used indoors and outdoorsCan only be used indoors/enclosed spaceLess effective at reducing temperatureVery effective at reducing temperaturePlug and useRequire proper installationIncrease air humidityReduce air humidityNo ventilation requiredRequire ventilationCheapExpensive


Table of Contents
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How do air coolers work?Should you buy an air cooler?Initial costLong term cost Cooling performanceSpace constraintTime constraintOther things to consider
How do air coolers work?
Unlike air conditioners and portable AC, air coolers do not use any refrigerant gas, neither employ any compression mechanism as well. 
Therefore, no heat is released and thus no venting is required to remove the heat to the outside. This totally removes the need of having a hose to excrete the heat out. 
Thus, no complicated installation required, which makes them very mobile and portable.
So how does it work then? 
Well, it relies on water evaporation to create the cooling effect – as hot air passes through a cooling media, the cooling media will absorb heat from the air, reducing the hot air to a lower temperature. The surroundings will then be cooled and moisturised. 

But then and again, the air is usually not cold but only chill. And thus, explains why they are called air coolers. They are only able to reduce temperature by 1 to 3 degrees Celsius. 
Due to its simple mechanism, it only uses a small fraction of electricity as compared to an air conditioner. They are indeed power-saving and cost-effective.
Air coolers are very portable because they don’t require any special setup or ventilation. It is basically plug-and-play
Hence, it is very flexible to be moved around to use in different rooms
Should you buy an air cooler?
There are a few key factors which you should consider buying an air cooler over an air conditioner. I have summed it up as below:
Initial cost
You don’t have or don’t wish to pay a large sum of money in cash to buy the air conditioner since the air conditioners are more expensive. The air cooler is a great choice.
Long term cost 
Air cooler uses much less electricity. For example, 1 horsepower air conditioner can use up to 700-1000W per hour while air coolers only use 60-80W per hour. That’s about 10 times the savings in electricity.
Air coolers also don’t need to be regularly serviced and don’t need to refill refrigerants.
Cooling performance
Air coolers are only effective to reduce the temperature by a few degrees Celsius. If you need a very cool temperature, then air coolers are not suitable for you.
Space constraint
An air cooler is a good alternative to air-cond if you stay in a rental property where you are not supposed to drill the wall of the property. Or there’s no proper a/c point provided by the property developer.
Time constraint
Air coolers are very easy to set up and are ideal as a quick and short term cooling solution for special events or festive seasons.
For example, Hari Raya Aidilfitri, Chinese New Year, or Hari Deepavali. Instead of going through the hustle to install a permanently mounted air-cond, just buy an air cooler, plug into a power supply, turn it on, and you get cool air~
Other things to consider
Please take note that it is very important to ensure good air circulation in the room when using an evaporative air cooler. This is to avoid the air from becoming too saturated. 
The machine becomes less efficient when the surrounding humidity level is too high.
You should always be aware of the intended space coverage and choose the right size air cooler that fits the job. 
If you get an air cooler that has too little capacity for your area, the poor machine would have to chug along extra hard to get the huge area to cool down – which makes no sense because this is totally wasting energy and you don’t get a cool room at the end of it all.
And one last thing to bear in mind, if you can’t stand the spinning fan noise then the air cooler(or stand fan) is strictly not for you.











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