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How to Prepare Your Air Cooler for the Winter Season

Last updated May. 6, 2021

Most air cooler users understand why it is so important to prepare the machine for the summer season. After all, that is when they are most useful in the house.

But how about the summer months? Many people do not understand why it is important to be concerned about the machines since they are not going to be used.

It is really important to prepare an air cooler for the winter season. In fact, it is important to prepare the machine even before winter sets in.

This is because, like other things around the home, they can be seriously affected by the extreme cold that characterizes winter in most places.

You will have to winterize your air coolers to help them withstand the winter and be in good working condition when summer comes.

Ways to Prepare Your Air Cooler for Winter

Winter can be cruel to air coolers. To prevent damages and keep your air cooler units in great condition through winter and for the next cooling season, take the following important steps:

1. Switch Off and Disconnect From Power Source

The very first step to take when you want to prepare your air cooler for the winter is to switch it off and disconnect from electricity. You are going to clean the machine thoroughly, and such cleaning requires opening up the machine.

When the air cooler has done its job for the cooling season and you know that winter is coming, start preparing it as soon as possible.

Start by switching off the machine, unplugging from the power source, and probably removing the power cable completely if that can be done.


2. Drain Completely

When the machine has been completely disconnected from electricity, drain it properly. Make sure there is no water in the water tank of the machine. If water is connected directly, also make sure that the hose is completely drained.

Leaving winter inside an air cooler can lead to serious damages. Water in the hose can also freeze and damage the waterline. You should blow out the water line and tuck it into a warm storage space.

Soak the Water Tank with Vinegar

You need to watch the water tank thoroughly before storing your air cooler for the winter season.

The tank is considered one of the most important parts of the machine and leaving it at the mercy of water, the elements, and even microorganisms is a bad idea.

After draining the tank, soak it with vinegar to take care of some of the mineral deposits and dirt that might have formed at the bottom. The vinegar will help to dissolve the deposits and also take care of odours.

3. Scrub the Water Tank Thoroughly To Remove Mineral Deposits

After about an hour or two of soaking the water tank with vinegar or other mild mixture, scrub carefully to remove mineral deposits.

You can work with a hard-bristled brush or something softer, depending on how hard it is to get rid of the deposits.

Make sure the water tank is free of mineral deposits before you stop scrubbing. You can then rinse it out with fresh clean water and keep it to dry out.


4. Use Mild Detergent and Soft Brush to Clean

It can be tempting to use strong detergents to wash a very dirty part of the air cooler (like the inside of the water tank). You shouldn’t do that.

Strong detergent can cause corrosion. It can affect your machine in severe ways that will significantly lower its useful years.

Instead of detergents and household cleaning products, use vinegar, lemon mixture, or other natural cleaning agents to clean the machine.

5. Clean the Inside and the Outside Components Thoroughly

You need to clean the inside of the air cooler as thoroughly as you clean the outside. Failure to do that before storing it for the coming winter will put some of the parts at risk. As mentioned already, it is better to clean with natural cleaning agents or mild detergents and soaps.

Wash thoroughly and rinse with fresh, clean water.

6. Coat with Watertight Metal Sealer If You Feel It Is Needful

Though this is optional, it is highly recommended for those who hope to keep their air coolers in great condition when you bring them out for the next cooling season and beyond.

It can effectively prevent rust. To achieve the best result, wait for the pan to become dry then apply the watertight metal sealer.

7. Cover Up With an Air Cooler Cover

When the air cooler has been thoroughly washed and sundried, the next important thing is to pack it properly and cover it. You don’t want the cold air of winter to blow on the machines, and the best thing to do is to cover them up properly.

You need to invest in the right size of air cooler cover for your machine. Make sure it is properly covered for full protection against weather elements during winter.

8. Cover the Vents If You Use Outdoor Units

If you use outdoor air coolers, it is important that you cover the vents through which the machines blow fresh cool air into your home.

You don’t want the cool air of the winter to be entering your home when it is already too cold, and you don’t want the vent to be causing heat loss from your home.

You can use a well-cut double piece of cardboard or a piece of insulation to seal the air vent. This is not a problem for people who use portable air coolers and other types of indoor units that pump cool air directly into the space that needs cooling.


9. Call In The Experts If You Are Not Sure You Can Handle It

Winterizing an air cooler is not something that everyone can comfortably do. If you are confident that you can handle it, then follow instructions to get it done.

If, on the other hand, you are not confident about preparing your air cooler for the upcoming winter season, then you have to involve experts.

The right technicians will winterize your air coolers the best way, and you can learn a lot from them.

It is important that you prepare your air cooler for the winter season. When you prepare it the right way, the machine will look great when you bring it out during summer.

Winterization will also enhance the lifespan of the air cooler.

If you have any further questions, contact us and we would be happy to help you.