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Beat The Heat With The Best Small Air Conditioners Of 2022

CEO Khai Intela
To help you beat the heat this year, we have meticulously researched the market to bring you the very best small and portable air conditioners. Our team has spent three days comparing best-sellers and reading...

To help you beat the heat this year, we have meticulously researched the market to bring you the very best small and portable air conditioners. Our team has spent three days comparing best-sellers and reading customer reviews to ensure that the units we recommend are compact, easy-to-install, efficient, and reasonably priced. Whether you need a small AC for your bedroom, workspace, living room, or even your camping tent, this guide is guaranteed to be helpful.

Why Trust Us

We understand the importance of trust when it comes to purchasing appliances for your home. That's why we have dedicated our time to thoroughly researching and evaluating the best small air conditioners on the market. By studying both old and new best-rated portable AC units, reading verified customer reviews, and comparing technical specifications such as Cooling Capacity ratings, BTU ratings, and energy star ratings, we have curated a selection of the top models to fit varying needs and preferences.

Who This Is For

Our guide is catered to anyone in search of a quality small air conditioner. Whether you need to cool down a single room or multiple spaces, we have considered different types of units that will suit your specific requirements. From window-mounted ACs that efficiently cool down entire rooms to portable air conditioners that offer mobility and convenience, we have covered it all.

How We Picked

Our selection process involved comprehensive analysis to ensure that we recommend only the most reliable and efficient models. We took into account the feedback from verified customers, considered the latest technological advancements, and evaluated the Seasonally Adjusted Cooling Capacity ratings, BTU ratings, and energy star ratings of each unit. By including both portable AC units and window air conditioner units in our selection, we aimed to provide a diverse range of options to suit different preferences.

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Features To Look For In Small Air Conditioners

When choosing a small air conditioner, there are several key features to consider:

Type of the air conditioner

There are different types of small air conditioners available in the market. Window-mounted ACs are popular for effectively cooling down entire rooms, but they may not be convenient if you need mobility. Portable air conditioners, on the other hand, can be easily moved from room to room and usually come with wheels and a hose to funnel hot air out. There are also personal or tabletop air conditioners that provide cooling without the need for a window but are best suited for personal spaces rather than cooling entire rooms.

Cooling power

The cooling power of an air conditioner, measured in BTUs (British thermal units), is an important factor to consider. The size of the room you need to cool will determine the number of BTUs required. As a general rule, you should have 20 BTUs for each square foot of living space. For example, a portable AC unit for a 150 square foot room should have a cooling power of at least 3,000 BTUs. The larger the room, the higher the BTU rating you will need.

Energy efficiency

Energy efficiency is a crucial factor when selecting a portable AC unit. Many units are not particularly energy-efficient, so it is essential to choose models with good energy ratings. In this guide, we have ensured that all the recommended models are energy-efficient, with a rating above D.

Noise level

For light sleepers, noise level is an important consideration. Some brands provide information on energy consumption and decibel levels generated by their units. We recommend choosing models with a noise level between 45 to 55 dB, as this range is similar to the volume of many white noise machines.

Extra features

Pay attention to the additional features offered by the air conditioner. Some units can work as fans, humidifiers, or dehumidifiers, enhancing their functionality. Features like remote control, timers, or Wi-Fi compatibility can make using the air conditioner more convenient and user-friendly.

Warranty and support

Lastly, consider the warranty and support available for the model you intend to purchase. It is crucial to have reliable support in case your air conditioner breaks down, especially during the summer months.

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Q: What is a small air conditioner?

A: A small air conditioner is a unit designed to cool down a single room. These units are usually portable and can be installed or moved around as needed. However, there are also small window air conditioner units available for those who prefer a fixed installation.

Q: What’s the smallest AC unit?

A: While there might be trade-offs between size and cooling power, you can find some remarkably small AC units on the market. If you are tight on space or prefer a hassle-free installation, consider a personal evaporative cooler. These units are smaller than many fans and can effectively cool you down without taking up much space.

Q: Can I use a portable air conditioner in a room without a window?

A: Yes, it is possible to use a portable air conditioner in a room without a window. You can connect the hose to a vent that leads outside through a door or wall. However, this setup can be more complicated. If a window is not available, alternatives such as personal coolers or fans that do not require a vent might be more suitable.

Q: Is it safe to use an air cooler?

A: Air coolers are safe to use and can provide effective cooling in dry climates. Although they add moisture to the air, which some may consider a concern, air coolers also purify the air and can be beneficial for humidifying and cooling a room, especially in dry environments.


  1. How to Vent A Portable Air Conditioner Without A Window - American Home Water & Air
  2. The Different Types Of Air Conditioning Systems - ActronAir