Best Small AC Units

The Best Small AC Units

During hot summer, you can keep the temperature of your room down to your ideal level to have the perfect climate condition.

And the best part is you don’t even need central air to achieve the perfect room temperature since a small AC unit does an incredible job. As a result, your room will be comfortable for everyone. 

You want to invest in the best small AC unit to enjoy the best indoor climate. The market has plenty of small AC units, and not all of them work efficiently.

You will check for a few features to ensure you buy the best small AC unit from the market. Once you have invested in an incredible AC unit, you will have a comfortable atmosphere.

A small AC unit could also be a dehumidifier and a fan since some are multi-functional. Therefore, they are an investment worth considering.

If you’re looking for the best small AC units, you have come to the right place! We have reviewed some of the best-rated small AC units with incredible cooling power.

They also perform two other functions – dehumidifying and fan – to make them multi-functional. We have also included a buyer’s guide with some features to consider. So, be sure to read on for more information.

Six Best Small AC Units

SereneLife SLPAC Portable Air Conditioner with Built-in Dehumidifier Function

SereneLife Portable Air Conditioner is compact and lightweight for unmatched portability. It weighs only 62.6 pounds and takes up less space.

And this makes it an excellent freestanding air conditioner for your living space. Its compact design makes installation easy; you can install it above your window to get a comfortable atmosphere in your room.

Despite its compact design, it packs sufficient power to deliver favorable temperatures in your room. This small AC is 1150 Watts powerful and uses 120V electricity.

As such, you want to connect it to a 120V outlet. Since it is sufficiently powerful, it keeps a 350 sq. ft. room comfortable.

It is one of the easiest to use window ACs. The quick setup ensures you plug this unit into a wall outlet to control the climate in your bedroom (or living room).

The air conditioner has 4 modes: AC Cool, Heat, Fan, and Humidifier. What’s more, the air condition even features moving wind vents to increase air circulation for faster climate control.

This window air conditioner also features a control panel with touch buttons for adjusting the temperature and fan speed. But you can also use the included remote control to adjust these functions.

The motor operates quietly, making this unit one of the best window AC units for bedrooms.

You should consider buying this small window AC if you want a small AC with 12,000 BTU cooling power and 9,000 BTU heating performance.

Model NumberSLACHT108
Product Dimensions17.4 x 13.4 x 32.1 inches
Item Weight56.5 pounds
Cooling Power10, 000BTU
Rated Power1,150 Watts
Noise Level52-56 dBa
Air Flow290 Cubic Meters / Hour

1150W powerful performance.It is a bit pricey.
Four operation modes.Some users experience installation challenges.
56-59dBA noise levels.
Best Small AC Units Reviews

Shinco 8,000 BTU Portable Air Conditioner with Built-in Dehumidifier Function

Shinco Portable Air Conditioner makes any room comfortable. It boasts a wide application since you can use it in your home, office, apartment, or dorm.

Given its excellently wide application, it makes sense if you expect this portable AC unit to pack sufficient power.

Fortunately, it boasts 8,000 BTU cooling power to keep your bedroom, living room, or any room comfortable.

This incredible cooling power ensures a 200 square footage room is within your favorable climate condition. As such, you can use this air conditioner to keep even larger rooms comfortable.

Besides cooling your rooms to acceptable temperature levels, this AC unit keeps your room humidity levels within acceptable limits.

It also features a fan that circulates air within the room. Therefore, it boasts three functions in one AC unit.

The fan has two-speed settings that you can select with the included remote control. The window AC unit uses corded power.

Specifically, it connects to your 110-120V electricity to control your indoor climate. The dehumidifying function is impressive as this unit can remove 19.2L of moisture per day. 

The remote control makes adjusting the functions easier. But the featured LED screen ensures you have visuals of the selected functions.

The 24-hour timer makes automation a non-issue. The noise level is down since this AC unit produces less than 55 dBA. Installation is hassle-free as this air conditioner comes with a window mount kit.

It also comes with a manual to guide you every step of the way.

If you’re looking for a central air conditioner for your window, you should also consider buying this unit. It is powerful, easy to install, and works efficiently.

Model NumberSPF1-08C
Product Dimensions17.52 x 14.76 x 32.68 inches
Item Weight55 pounds
Cooling Power8,000 BTU
Rated Power1000watts
Noise Level52 dB
Air Flow200 sq.ft

8,000 BTU cooling power.No technical support.
3-in-1 functions.The humidifier function isn’t durable.
Auto shutoff.
Best Small AC Units Reviews

TOSOT 8,000 BTU Portable Air Conditioner Quiet

TOSOT 8,000 BTU Portable Air Conditioner boasts a multi-use design that makes it a versatile AC unit. First, it offers flexible cooling during summer and hotter seasons.

This makes it the perfect cooling machine if you don’t have central air conditioning.

The humidifying function works to keep your room humidity level within acceptable standards.

Precisely speaking, this AC unit removes excess humidity from your room to keep the humidity level comfortable. Even better, your AC unit does all these functions while keeping quiet.

The unit produces no more than 49 decibels, making it quiet enough for use in your bedroom or office!

This AC unit cools a 300 square feet room with 8,000 BTU cooling power. As a result, it lowers the temperature to a comfortable heat level in degrees Fahrenheit.

You can adjust the fan speed using the remote control. You can also use the control panel with touch buttons to shift between these functions.

Many small AC units don’t incorporate sleep function, but this one does. This function optimizes the temperature for comfortable and peaceful sleeping.

As such, you want to use this AC unit in your bedroom. The adjustable timer makes automation a possibility.

You can set this AC unit to achieve your ideal comfort for a given duration, thanks to the 24-hour time.

Installation is hassle-free free since the AC unit weighs only 54 pounds. The child lock feature protects your settings from the curious kids you might have in your home.

If you’re looking for a multi-functional AC unit for your bedroom, you should consider this product. It has what it takes to bring comfort to your bedroom.

Model Number8,000 BTU Portable Air Conditioner
Product Dimensions‎11.8 x 15.4 x 30.4 inches
Item Weight‎65 pounds
Cooling Power8,000 BTU
Rated Power‎1050 watts
Noise Level49 dB
Air Flow300 sq. ft

8,000 BTU cooling power.Replacing the air filter is a challenge.
Remote control.It might be incompatible with some windows.
Auto-Evaporation System.
Best Small AC Units Reviews

ROLLICOOL Alexa-Enabled Smart Portable AC

ROLLICOOL Alexa-Enabled Smart Portable AC is the perfect cooling system for smart homes. And that’s because it is compatible with any smart home setup.

You can control this small AC unit via voice commands since it is Alexa-enabled. It connects to your Wi-Fi network, allowing you to control it using your smart speaker.

Also, you could use your smartphone to control its functions, thanks to Bluetooth connectivity. Therefore, controlling this AC unit is convenient for the perfect indoor climate.

Besides convenient control, the AC unit boasts an impressive 10,000 BTU cooling performance.

Due to this incredible cooling capability, the unit keeps a 265 square feet room comfortable while remaining energy efficient.

Already the AC unit impresses with its powerful cooling. And it impresses more with its three functions: cooling, dehumidifying, and fan. 

The AC keeps the humidity level comfortable by removing excess vapor from the room. The fan ensures your room has a uniform temperature for comforting everyone in the room.

The dehumidifier removes up to 40L of moisture from the air to boost your respiratory health. You should consider buying this small AC unit if you’re looking for an AC unit that integrates with your smart home.

Model Number‎COOL208-20
Product Dimensions‎12.9 x 12 x 28.1 inches
Item Weight‎56 pounds
Cooling Power10,000BTU
Rated Power60 watts
Noise Level‎52 dB
Air Flow275 sq. ft.

10,000 BTU cooling power.It is not portable.
Three functions.It doesn’t cool bigger rooms efficiently.
It supports voice control.
Best Small AC Units Reviews

3-in-1 Portable Air Conditioner with Built-in Dehumidifier Function

SereneLife 3-in-1 Portable Air Conditioner features three operating modes: cooler, dehumidifier, and fan.

This 3-in-1 design makes it a multi-functional AC unit for cooling your room and removing excess moisture from the air. Also, you can use your AC unit to fan yourself. 

The cooling performance is incredible since the AC gives you 8,000 BTU of cooling power. The dehumidifier function is quite impressive.

If you install this AC unit, you will be sure to eliminate up to 1.2L of moisture per hour. The fan function circulates up to 290m³ per hour.

You have a remote control to adjust the three functions. And this eases your work when controlling the AC unit.

Even though this unit is more powerful than 6,000 BTU, it consumes less energy and produces less noise. The motor is super quiet, making this unit ideal for bedrooms and study rooms.

Portability is another advantage. Your AC unit features rolling wheels that make transportation a non-issue.

What’s more, the AC unit weighs only 46.3 pounds for excellent portability. It is lightweight, sleek, and quiet. Therefore, consider adding it to essential rooms such as bedrooms and offices.

Model NumberSLPAC8
Product Dimensions14.6 x 13.8 x 27.2 inches
Item Weight46.3 pounds
Cooling Power8,000 BTU
Rated Power1,150 Watts
Noise Level52-56 dBa
Air Flow290 Cubic Meters / Hour
8,000 BTU of cooling power.The dehumidifying function isn’t efficient.
3-in-1 functions.It doesn’t suit larger rooms.
The noise level is below 57 decibels.
Best Small AC Units Reviews

BLACK+DECKER BPACT08WT Portable Air Conditioner

This BLACK+DECKER Portable Air Conditioner cools with 4,000 BTU power.

But don’t let this cooling power fool you because this cooling power by this Black Decker AC unit yields the same result as 8,000 BTU cooling power. As such, this is an energy-efficient AC unit to consider buying.

 The powerful motor is super quiet, meaning you can install the AC unit in your bedroom and other rooms needing quietness. The incredible cooling power makes the air conditioner ideal for 150 square feet of bedroom space.

So, if you have such a spacious bedroom, you can consider cooling it with this powerful AC unit.

Many AC units on the list are multi-functional. And you can expect this one to be also multi-functional. Besides cooling your small bedroom, this unit removes excess moisture in the air and fans your room.

As a result, it removes excess vapor from the air as it blows a cool breeze of air in hot summer.

Controlling the functions is easy – you will use the included remote control to control the cooling performance and other functions. The setup is fast and easy.

The included dual hose and window adapter ensure you have a hassle-free installation. Your AC unit will be functioning as soon as you plug it into a wall outlet. 

The reusable filter slides out easily for you to clean it. Your dehumidifier will then resume excellent performance to protect your respiratory health.

This air conditioner works excellently and puts many 14,000 BTU AC units to shame. If you have a small room that needs climate control, you should consider buying this powerful small AC.

Model NumberBPACT08WT
Product Dimensions16.5 x 11.5 x 26 inches
Item Weight52.9 pounds
Cooling Power8,000 BTU
Rated Power950 WATTS
Noise Level53db
Air Flow150 Square Feet

4,000 BTU powerful cooling.It doesn’t cool large rooms.
It boasts three functions.The customer support is unresponsive.
It is easy to clean and install.
Best Small AC Units Reviews

What You Should Know Before Buying a Small AC Unit

Since you want to buy the best small AC unit, you will check for a few features before spending your hard-earned cash.

This section will walk you through some of the features to check for when buying a small AC unit for your room. When sourcing a small AC unit for your bedroom, office, or other rooms, you want to check for the following features:

Cooling Power

Before buying a small AC unit, you want to check if it cools your room with sufficient power. However, the cooling power is not in Watts as many people think.

The cooling power of a small AC unit is in BTU. The more cooling power a small air conditioner boasts in BTU, the more powerful the unit is.

So, you want to choose an air conditioner with more BTUs if you want faster and more powerful cooling performance.

But more cooling power comes at a cost since your unit will use more electricity. If you want powerful performance but don’t mind the high electricity bills, you should buy a small AC unit with more cooling power in BTU

. Your room will achieve your ideal comfort in a short time, unlike what you’d have with a less powerful small AC unit.

The Number of Functions

Even though your goal is to achieve the perfect temperature for a comfortable home, you still want a small AC unit that performs other functions.

Your small AC unit could also dehumidify your room and perform the function of a fan. Such a small air conditioner is multi-functional.

When buying a small AC unit, you want to check if it performs other functions. The dehumidifier function ensures your room has no excess moisture that could affect your respiratory health and eyes.

When the moisture level in the air is within the acceptable level, you will comfortably breathe. As such, you want to ensure your preferred small AC unit also features a dehumidifier function.

The fan allows your unit to circulate the air within the room. As a result, your room will have a comfortable atmosphere in a short time.

Therefore, you want to ensure this function is also in your preferred small AC unit.

The Room Size

A small AC unit only serves a room and not the entire home. But these climate control devices can keep a given room space comfortable.

That means they have limits since they might not keep larger rooms comfortable. As such, you want to check the room size in square feet a small air conditioner unit can heat.

The good news is these AC units indicated the rated room size.

Before buying one AC unit, you want to check your room size. Then you will buy a small AC unit capable of cooling that room.

If you want to cool your bedroom and it’s 350 square feet large, you want to buy a unit rated for such spacious rooms. If your bedroom is more spacious, you should consider buying a small AC for larger rooms.

Check the rated room size, then buy a unit that cools your preferred room.


Small AC units also feature controls for adjusting their functions, such as the dehumidifier and fan. Some units feature a control panel with touch buttons for adjusting the functions.

On the other hand, some units include a remote control for more convenient usage.

A small AC unit with remote control is convenient to control. You can press the buttons on the remote control to control your air conditioner without touching it.

This is essential if you’re far from your AC unit for some reason. If you want unmatched control efficiency, you should consider buying small AC units featuring remote controls.

The Noise Level

Small AC units feature electric motors for their fan functioning. The motor is essential to spin the fan for circulating air within your room. But the spinning fan produces some noise, and there is little you can do.

One of the little things you can do includes checking for a small AC unit producing less noise.

If you want to use your small AC unit in your bedroom, office, or study room, you want a unit producing less noise. Any air conditioner unit producing less than 50 decibels is quiet enough for use in bedrooms and offices.

So, consider buying small AC units producing no more than 50 dBA for peaceful and quiet cooling performance.

Ease of Installation

Installation is also a factor to consider before buying a small AC unit. The ease of installation depends on the design of these air-cooling devices.

A small AC unit with a simple plug-in design is easy to install – you only have to plug it into a wall outlet, and it will be running.

Some units even include window kits for installing them on your window. They include a user manual to help you every step of the way.

You can also find other small AC units with rolling wheels that allow you to set them up on your floor. There are various designs on the market, and each design has its benefits.

If you prefer plug-in small ACs because they are easier to install, you should consider buying them.

But if you love hands-on projects, you can buy a unit with a window kit for a DIY project. You should choose the design that makes installation work easier for you.

This will ensure your unit runs as soon as you get it in your loving home!

Weight and Portability

Small AC units are portable since they weigh fewer pounds. But they vary across the board since they feature different designs. You can find some units weighing more pounds than others.

And that means portability varies. If you want a portable small AC unit, ensure you buy an air conditioner weighing fewer pounds.

You can keep it below 60 pounds for impressive portability.

But portability depends on one more thing: transportation wheels. A small AC unit with transportation wheels is easier to move across the floor.

Therefore, consider buying an air conditioner weighing fewer pounds and has transportation wheels.

Price Of the AC Unit

This doesn’t only apply to small AC units; it applies to anything you set your mind to buying. Before you spend your hard-earned cash on a small AC unit, you want to check its price.

Buying an air conditioner is an investment like any other, and you want returns. As such, you want to spend a considerable amount.

You don’t have to break the bank to get the best small AC unit for your room. And that’s one good thing about these air conditioning units – they cost less than central air conditioners.

Despite costing less, they deliver incredible cooling performance. Of course, price varies across the board, with some units costing more.

Each investment has a budget, and you want to check the price of a small AC unit to allocate the correct amount of cash.


How much room size does a small AC unit cool?

Small AC units are perfect for single rooms. They could keep your bedroom comfortably cool. Also, your air conditioner could keep your office or study room comfortable.

Generally, small ACs keep rooms of up to 350 square feet cool and comfortable. 

But more powerful small AC units could keep a 550 sq ft. room cool. If your room is more spacious, you want to get a small AC with incredible BTU output.

You should consider over 10,000 BTUs of cooling power for larger bedrooms.

How much electricity does my window AC consume?

Window AC units differ in design. That means they cool rooms using different cooling power. More powerful units consume more electricity.

But these air conditioning devices generally consume 500W – 1500W of electricity. Of course, this power consumption depends on the design.

If you choose a window AC unit with an incredible cooling power of 12,000 BTU, you will be sure your unit will consume more electricity than a model churning out only 4,000 BTU cooling power.

Performance affects electrical consumption. If you don’t have a large room, you should buy a unit producing the required cooling power since anything excess will result in more electricity consumption.

How many functions can a small AC unit perform?

One advantage of small AC units is they are multi-functional – they perform many functions. But their multi-functionality varies across the board. Some units perform more functions than other AC units.

Generally speaking, small ACs have at least three functions: cooling, dehumidifying, and fan. You can find some AC models featuring a few more functions.

When buying a unit from the market, you want to buy one with as many functions as possible. If you find a 3-in-1 small AC unit, you want to buy it since it cools your room, removes moisture, and fans the room.

You should always buy a unit with more functions for usage versatility.

Wrap Up

If you want to keep your bedroom, living room, study room, or other rooms cool and comfortable, you can use a small AC unit.

Even though they cost a few hundred bucks, small AC units bring the comfort you need to any room you install them in. They are multi-functional to cool your room, eliminate excess vapor, and fan the whole area.

Installing them is also a no-brainer. As such, they are worth the investment if you have no central air conditioner.

But you want to buy the best small AC unit to get the best cooling performance. Fortunately, finding the best window AC unit for your room is easier than before with our buyer’s guide.

Our round-up list of the best small AC units narrows down the choices for you. So, all that’s remaining is for you to find the best small AC unit for keeping your bedroom cool and comfortable.

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