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Top 10 Best Air Coolers for Small Rooms in 2021

Don’t you just hate having to work in a hot room on a summer evening? To beat the heat in a confined space you need the best air coolers for small rooms. Although they might be small, an air cooler for closed rooms can help cool you down quite fast.

Sitting in an air-conditioned room on a hot summer day can feel like heaven. There is no other comparison to this feeling.

For a compact room to cool down properly, you need your hands on the best air coolers for small rooms.

Thankfully, you’ll get all the top 10 best small room air coolers in 2021 that might be worth buying right here. With these coolers, your room won’t have to be suffocating and hot anymore. So let’s get started on the options you have.

air cooler featured

Top 10 Best Air Coolers for Small Rooms in 2021

To help you in your search for the best air coolers for small rooms we’ve made a shortlist of products that you might like. Based on performance, speed of cooling, portability, and durability, these are a few of the top air coolers in town.

At least one of these products will fit right into your bedroom for sure! So without much do, let’s get into the reviews.

1. Evapolar Personal Evaporative Air Cooler and Humidifier

Low Energy, Compact, and A 3-in-one humidifier, cooler, and air purifier. 9\10

Who doesn’t love an all-in-one product? If quality is maintained, they are one of the best things to invest in.

The first cooler that we will talk about is just like that. Not only will this tool help you keep your room cool, but it will also act as a humidifier.

If you live in a dry area this will be one of the best air coolers for you. Besides the humidification feature, the tool helps clean the air as well. Say goodbye to any dust particles that might have made their way into your home.

Features as such are what make this product great for people with breathing problems or asthma.

Using only 10W this cooler will keep your electricity bill controlled.

Weighing only 2.87 pounds with a dimension of 6.69 x 6.7 x 6.87 inches this is one of the best portable air coolers.

Lightweight and portableThe cooling area is limited to the size of a bed
Acts as a humidifier 
Keeps air clean 
Eco-friendly tool; uses only 10W 

2. Evapolar evaCHILL Portable Conditioner Small Personal Evaporative Air Cooler

Mini, acts as a nightlight, quiet operation, and is Freon-free. 9/10

Having your personal air cooler for summer is a great way to cool down. This Evapolar Mini Air cooler is a great option for people who want to travel with air coolers.

It’s only 6.5 x 6.5 x 6.5 inches! You won’t have to clear out any space for it.

The freon-free design makes the device safer for you. There are no harmful chemicals involved. All you breathe is clean and fresh air.

The tool is also quite easy to use. There is little to no installment required. You just need to put in the speed and timer on the cooler.

If you live in a dry area, the appliance can double as a humidifier. Choose a light setting from the device to use as a night light as well!

As the device has a quiet operation, it can be a great companion when sleeping.

Can be used as a night lightOnly cools enough space for one person
Mini, easy to travel with  
No-freon design 
Easy setup 

3. Honeywell CS071AE Quiet, Low Energy, Compact Portable Evaporative Cooler

Easy to control, evaporative and quiet with 5-speed settings. 9/10

This product will help cool your desk. Office space or bed with the help of evaporation.

A powerful brushless patented motor gives you 5-speed controls. You also have a low sound mode that you can select when you are sleeping or working.

When on the low sound mode, the tool will switch to a low energy mode automatically. This will help reduce the energy consumed.

At the highest speed, this product will use about 32W. Compared to other coolers in the market, we’d say this one is on the lower end of energy consumption.

The remote control helps you control and adjust this air cooler for closed rooms. So you can turn off the device without having to get up from bed! You could also use the auto sleep or turn-off mode when sleeping.

One great thing about this is that it has wheels. So you can shift the device from one room to the other without having to break a sweat. 

Automatic shut-off timerHard to clean
Remote controlledNeeds water to operate
Has 5-speed settings 
Has a low sound and energy mode 

4. COSTWAY Evaporative Cooler- Oscillating Air Cooler

Slim, vertical, with LED display and 8-hour sleeping mode feature. 8/10

Now we get into air coolers for wider areas.

The Costway oscillating air cooler can be a great addition to any home. If you want to cool a larger space but don’t have space for a large air cooler, this is one of the best air coolers.

As it comes in a vertical and slim design, you can add it to any corner of your room without having to clear out any space.

The device gives you the freedom to choose between three-speed options and three wind settings; a sleeping setting, natural wind, and standard wind.

It’s not the quietest tool on our list but it performs on 58dB, which isn’t that bad. An 8 hours sleeping mode, allows you to set a timer and sleep peacefully.

Unfortunately, you do have to add water to this device. But the tank is capable of holding 6L of water, so you won’t have to keep on refilling it.

Vertical and slim designNot the quietest
Three wind settings to choose fromWater operated
Led display to show settings 
8-hour sleeping mode 

5. Hessaire MC18M Portable Evaporative Cooler

Automatic refill option, powerful 1300 CFM, can be used both indoor and outdoor 8/10

A good old-fashioned cooler like this one from Hessaire can rarely disappoint. Just like the coolers we used to see at our grandma’s place, this one too is controlled by a knob. The knob is tactically placed on the side of the device and can be turned to adjust the cooler.

But don’t underestimate the product just because the design is old-fashioned and simple. Four added heavy-duty casters mean that you can use this powerful cooler both indoors and outdoors.

The machine can cover 1300 CFM. With a little bit of adjusting you can also customize the direction of airflow.

No need to keep on filling the water tank. You can attach a hose to the float valve and the brass float adapter for an automatic refill. This will also monitor the water level and prevent overflowing.

Can refill automaticallyLoud 53dBb
Does not need much monitoringTakes up space
Can be used both indoors and outdoors 
Can cover 1300 CFM 

6. Frigidaire, EC200WF, Portable Indoor Outdoor Evaporative Air Fan and Humidifier

Led Display, touch screen input, wide 250 sq feet area coverage, but leaks 7/10

Frigidaire’s air cooler can cool 250 sq feet area. this is quite amazing for a mini air cooler.

Larger rooms may benefit greatly from this product.

The oscillating fan covers a wide range and ensures even cooling in all parts of the room.

There is an Led display that will show you the machine’s current settings. This bright light is easy to see even from a distance. All these settings and features can be controlled by a touchpad that is placed on top of the cooler.

To make things as comfortable as possible, you get to choose from 3 comfort settings, 4-time settings, and 4 wind speeds.

One thing that we will mention, is that the tool needs water to run. There is a 1.8-gallon tank that you need to fill once it reaches the low level.

While it is made to be leakproof, water will spill if the machine topples over.

LED display shows all settingsWill leak at times
Touchpad to control featuresNot easy to operate
3 comfort settings and 4 time and wind settings 
Covers 250 sq feet area 

7. Lemebo Portable Air Conditioner Fan

Eco-friendly, zero-waste design, auto-shutoff on low water-mark, 6-8 hours continuous running time. 7/10

A great disadvantage that air coolers that are also humidifiers have is that they do not show you when the water level has gone down. Fortunately, the Lemebo portable air cooler has a low water indicator.

Therefore, you get to know exactly when you need to refill your water tank. When the low water level mark is reached, the cooler automatically shuts off, saving the device from damage.

When the moisture is blown out on the humidifier setting, there is a tray in front of the air cooler that catches these mists. The mists are then used again to run the air cooler. What a great and eco-friendly way to run a device! With this kind of recycling, there is no wastage.

Features are easy to adjust and control. A powerful alloy motor ensures silence and fast and efficient cooling.

Auto-shutoff on low watermark feature40dB operation sound, could be quieter
Humidified mists are caught and used as water supply 
Eco-friendly, no waste design 
Power alloy motor for fast cooling 

8. Simply Modern Personal Mini Air Conditioner

USB connection, fast cooling, a personal cooler that is easy to carry. 6/10

For people who don’t live in an area that is too hot, a small and mid-level cooler like the Simply Modern Mini Air Conditioner can be a perfect choice.

This tool operates on a USB cable. So you can take it to work, add it to your bedside table and take it on a road trip. Because the device is so small, it will fit into any bag or bedside table easily.

Made with ABS plastic the full weight of the appliance stands at 780 grams only!

Operating noise of 35dB keeps things quiet so you don’t feel disturbed.

Adjust the cooling and airflow direction to your need. There are three airflow speeds too.

To make the air fresh and clean for you, a water curtain is installed. This gets rid of dust particles in the air.

Made with ABS plasticCannot cool a whole room
Airflow direction can be adjustedNot suitable for areas that are too hot
Works in the car 
Can be carried easily using the top handles 

9. NLR Personal Air Cooler

One-person cooler, 380 ml water tank, USB operated with the fast cooling system. 6/10

If you’re looking for a mini personal air cooler, this is the perfect one.

This product can be operated on USB so it’s the perfect thing to take while traveling. Before purchasing, remember that it only serves one person.

The main reason why we put this tool on our list besides it being portable is that it has a fast cooling system. So when you’re on the go, in the car, or at work, you can use this device for a quick cool down.

If you’re around 3-5 feet from it, the cooler will work great for you.

A tiny 380 ml water tank holds that water needed to operate the tool. It’s easy to disassemble so you can clean the air cooler thoroughly.

Besides cooling you down, this cooler will also purify the air. Turn its night light feature on, for a dim light to get you through the night.

Works through USBWon’t work in a bedroom
Low power consumption, eco-friendlyThe water tank needs to be refilled often
Can be cleaned thoroughly 
Weighs only 900 grams 

10. GREATSSLY Air Conditioner Fan

Adds moisture to the skin, 8.9 inches in height, with 7 different night light options. 6/10

 Many mini air coolers are used as night lights. After all, who doesn’t love a 2-in-one product?

The Greatssly air cooler comes with 7 different night light options. The LED lights are all set in warm tones that help you sleep better. Many users have found that the soothing lights helped them fall asleep faster.

On a full tank, the unit will give you 3 to 5 hours of service. Fill the 400ml tank before you go to sleep and set the timer.

Mists from the machine will help you cool down, and also get rid of any dry skin and breathing problems.

A small 8.9-inch cooler as such is a great way to add moisture to your skin. The small size helps with portability and makes the tool more travel-friendly.

Besides acting as a humidifier, the cooler is also capable of purifying the air.

8.9 inches in height, fits in any spaceDoes not last long; not durable
No ozone refrigerantSwitches lag after a few months of use
7 different warm tone night options 
Adds moisture to the skin 

When and Why A Air Cooler is Necessary for Bedrooms/Small Rooms?

A very simple answer to this question is that you should get an air cooler because you want your room to be cooler and more comfortable. But there are other reasons why you should go for an air cooler instead of an air conditioner.

Here are some of the reasons why adding air coolers for small rooms can be beneficial for you.

air cooler bedroom

Your Room Is Always Hot

As we’ve mentioned before, the main reason you would get an air cooler is that your room is hot.

If your room gets a lot of direct sunlight there is a high possibility that it will get hot soon. Living in the equatorial region can also result in hotter climates.

Adding an air cooler will helps turn the temperature down a notch in your room. This increases your productivity for the day and also makes you more comfortable.

You Want Fresh And Clean Air

An air conditioner will circulate the air in your room over and over again. The hot air in your room goes in and comes out cool. But an air cooler for summer will take air from the outside, purify and cool it, and then circulate the air inside. So with this product, you get better air quality.

This can be a blessing for people who have dust allergies and asthma. Better air makes breathing easier and safer.

You’re looking for an Economical Option

Small room air coolers are much more affordable than air conditioners. So if you are on a tight budget you can try adding this tool to your bedroom without having to break the bank.

You Care About the Environment

When compared to air conditioners, an air cooler for closed rooms creates less damage to the environment. Unlike an air conditioner, air coolers do not use CFC and HFC gases. So you can enjoy your cool room without feeling the guilt of harming the environment.


Air coolers are a must-have product if you have to move a lot. There is very little installation required with this tool. You can even shift the product from one room to another without having to call an electrician.

Portability is one of the main reasons why people love air coolers so much.

modern air humidifier and cooler

Also, We have a complete article about When you Should or Should not Use an Air Cooler.

How to Choose the Perfect Air Cooler for a Small Room?

Here is a small fool-proof guide on how to choose the right air cooler.

Types of Coolers

There are many kinds of air coolers available in the market. You need to select the type that goes best with your needs. Here are your options:

  • Personal Coolers: Easy to move and compact
  • Tower Coolers: Better for larger areas
  • Desert Coolers: Best for low humidity and high-temperature areas
  • Window Coolers: Consumes less power and is installed on a window  

Size Of Your Room

The size of the air cooler you select has to be compatible with the size of your room. Otherwise, your room will get too cold or not cool enough.

Personal Preferences

Go for eco-friendly options or options with added humidifiers based on your personal needs.


If you live in a low humidity area, you should look into dessert coolers. A window cooler will be good for areas that are warm but not hot.

Final Words

With your eyes on the right set of options choosing the best air coolers for small rooms is no task at all.

Evapolar personal evaporative air cooler and humidifier is low power but is a high-efficiency unit that suits anyone’s needs. And the Lemebo portable air conditioner fan is a great eco-friendly tool that recycles water mists. In our list, we have options for everyone.

If you know exactly what you need, you can easily choose the perfect mini cooler for yourself.

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