If you are sick and tired of having sleepless nights due to the uncomfortable temperature in your environment, you might want to consider getting a ventless AC unit. You won’t have to bother about space because they are more portable compared to conventional AC units. Also, these units are energy efficient and will emit very little noise. They are designed to increase comfort, and you won’t have to worry about filling holes in the wall after installation.

In this article, we’ll focus on the best ventless air conditioners available on the market. Buying one can be an arduous task, which is why we have also provided a buyer guide to help you make the right decision.

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Our Top Pick

If you are looking for the best ventless portable air conditioner that will serve you well, you might want to consider Evapolar products. They offer a satisfying range of contemporary personal air coolers that can be used both indoors and outside.

The evaCHILL Personal Air Cooler helps to cool your personal space to 7-10 degrees Celsius (44 - 50 Fahrenheit), humidifies and purifies the air, and is an eco-friendly device. Due to its evaBreeze technology for the cartridges, it prevents mold and harmful bacteria from spreading.

Types of Ventless Air Conditioners

A portable air conditioner that doesn't need ventilation can be found in different types, and it mostly depends on the size of the room you intend to place it in.

Here are the types of ventless air conditioners with respect to their sizes:

Ventless Air Conditioners for Small Spaces

If your personal space is small, then you don’t need a large ventless air conditioner. There are ventless air conditioners that are designed for small spaces. These air conditioners are perfect for spaces up to 120 square feet. They may not be a perfect option for living rooms but will cover almost every bedroom. Usually, ventless air conditioners for small spaces have up to 145W of power and a 194 CFM fan.

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Ventless Air Conditioners for Large Spaces

For people who want a ventless portable air conditioner for larger rooms like living rooms or even a master bedroom, a ventless air conditioner for larger rooms will be a better option. These air conditioners are perfect for spaces up to 500 square feet. They come without hoses and window access. What’s more is that even though their power usage is at least 85W, they offer a 1300 CRM airflow.

Ventless Air Conditioners for Multipurpose Use

In some cases, opting for a ventless air conditioner that can serve both a large room and a small room will be a better option. Fortunately, there are different options available.  You can use them to cool the temperature in your room by 20 degrees Celsius (68 degrees Fahrenheit).

6 Best Ventless AC Units

Here is a table of the top ventless portable air conditioners available from well-known brands:

Model

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Cooling
Capacity

340 – 1190
BTU/hr

18,000 BTU

Max.
Airflow

49.1 CFM

525 CFM

300 CFM

1300 CFM

600 CFM

Power,
Voltage,
Amps

7.5 W

288 W

80 W, 0.66 A

100 W

85 W

Noise
Levels

Up to 50 dB

64 dB

Dimensions

6.69 x 6.69 x 6.77 inch

18 x 13.9 x 33.7 inch

27.01 x 15.04 x 15 inch

15.7 x 13.5 x 32.5 inch

20 x 10 x 28 inch

12.7 x 12.8 x 31.4 inch

Weight

750 g

11.3 kg

5.22 kg

8.39 kg

7.3 kg

9.07 kg

Now, let’s have a detailed look at each product.

Product Overviews

1.      evaCHILL Personal Air Cooler

If you are looking for the best portable air conditioner without a vent, you might want to consider the evaCHILL Personal Air Cooler. With it, you can cool yourself anywhere because it is portable. This is an evaporative air cooler with an extended tank that allows it to work for up to nine hours. What’s more is that it can be powered by a laptop, power socket, or power bank.

The evaCHILL only consumes about 7.5W, which is sufficient to chill, purify, and humidify the air in a personal space. Also, it has a handle that makes it easy to carry. Another amazing thing about this vent-free air conditioner is that it has an enhanced leakproof system, which prevents water from leaking out.

Another reason why this ventless portable air conditioner stands out is that it has a sleek and eco-friendly design. The device works by simulating a natural breeze that will cool your body with fresh and humid air. With the evaCHILL Personal Air Cooler, you can concentrate on other things in a cool environment.

Pros

  • Whisper quiet
  • Lightweight
  • Eco-friendly design
  • Leak Proof system
  • Energy saving

2.      Honeywell 525-729CFM Portable Evaporative Cooler

This is an outdoor evaporative air cooler that is perfect for outdoor use. It comes with a humidifier and a fan, which allows it to function with very high efficiency. You can also use this cooler indoors in a medium-sized room or other recreational spaces. The Honeywell evaporative cooler offers versatile cooling, and it has an iced compartment and humidity control with which you can easily regulate the moisture level.

The Honeywell portable ventless AC is ideal for areas up to 320 square feet. And it weighs only 11.3 kg, which shows that it is lightweight and can be moved easily. If you are looking for an air cooler that you can use for pool parties, backyard barbecues, or other outdoor activities, the Honeywell cooler is a perfect choice for you.

The cooler is made from durable materials so that it can last long. What’s more is that it comes with a 12-year warranty to further show its quality and durability.

Pros

  • Perfect for both outdoor and indoor activities
  • Lightweight
  • Can cool large rooms conveniently
  • Made from UV-resistant materials
  • US compliant

Cons

  • It does not offer whisper-quiet operations.

3.      Briza Cool Air Cooler

Here’s another awesome freestanding ventless air conditioner. One reason why this product is amazing is that it is simple and easy to use. It is operated by using evaporated water to cool the temperature in your environment. With this air cooler, you don’t need any ventilation, and all you do is fill the tank with water and plug the device into a power outlet.

The Briza Cool Air Cooler does not recycle or dry out the air like conventional air coolers. It operates by adding up to 5% of moisture to the air, and this is through the evaporated water. This helps it keep the air comfortable and natural. If you are looking for an air cooler that will let you enjoy clean air in your personal space, you might want to consider the Briza Cool Air Cooler.

It is worth mentioning that this device offers an adjustable fan speed, which includes low, medium, and high speeds. What’s more is that the air cooler is portable, and you can use it anywhere as long as it's within the reach of a power outlet.

Pros

  • Adjustable fan speeds to adjust the intensity of the fan
  • Lightweight and portable
  • Provides natural and clean air
  • Simple and easy to use

Cons

  • It is not as affordable as other available options

4.      Honeywell Fan and Humidifier

Honeywell has produced a number of amazing ventless air conditioners, and this product is one such device. It is a low-energy and powerful air cooler that’s also ideal for use in a personal space. With this air cooler, you can enjoy your summer without any sweat or high electricity bills. Also, this is a multipurpose air cooler that can provide humidity even during the winter.

If you are in the Midwest and Southwest US, you might want to consider this device during hot and dry climates. One amazing thing is that it does not require air conditioning or a compressor or battery. However, it can effectively reduce the temperature of the environment. Like the other air coolers mentioned earlier, this air cooler operates by evaporating the air.

The Honeywell Fan and Humidifier is ideal for small areas like a desk, bed, dining table, and sofa. It has a removable tank which makes it very easy to clean. Also, the carbon dust air filter is easy to remove, and with the alarm, you’ll be notified when the water level in the air cooler is low.

Pros

  • Environmentally friendly
  • Multipurpose, which makes it perfect for cooling air during summer, and humidifying it in winter
  • Energy saving
  • Easy to clean
  • Whisper-quiet operation

Cons

  • Small water tank size, which may not be convenient for use over a long period.

5.      Hessaire Products MC18M Evaporative Cooler

It’s also a perfect evaporative cooler for indoor and outdoor use and perfect for rooms up to 46.5 square meters. The cooler is lightweight, but it’s still powerful enough to cover large rooms. It weighs only 7.3 kg, and it features manual louvers that can be adjusted, depending on your preference. With this, you can change the direction of the airflow upwards or downwards.

One amazing thing about the Hessaire MC18M evaporative cooler is that it is easy to maintain and also easy to use. The non-window device has two cooling modes, a high and a low speed. It also offers two fan modes, and you can adjust these depending on your preference. One thing you should note about this device is that the water filling can be continuous or manual. Therefore, you can choose to use the permanent option in which you’ll need to attach a hose to the device. The second option is to manually fill the water tank.

It is worth mentioning that the Hessaire MC18M evaporative cooler is available in three different colors. You can choose the color that coordinates with  your home.

Pros

  • Easy to maintain and operate
  • Options for continuous and manual water filling
  • Different cooling and fan modes
  • Perfect for both indoor and outdoor use

Cons

  • Large dimension and may take up too much space

6.      Frigidaire EC200WF Air Fan

Last on our list, but not the least of the products we have mentioned above, is the Frigidaire EC200WF Air Fan, an awesome ventless air conditioner that you might want to consider getting. One of the main reasons why this product stands out is that it is made from durable materials. Rest assured that you can use it for more than 100 years.

The Frigidaire is an environmentally friendly air fan without exhaust, and it uses clean evaporation for climate control rather than chemicals like Freon. Also, this is a portable air fan, and you can use it to maintain a comfortable atmosphere all day long. The key features of this air fan include three cooling modes, wide-angle oscillation, and four fan speeds. You can rest assured that you’ll get everything you want with this ventless air cooler.

With the Frigidaire Air Fan, you can keep a cool environment all summer without the hassle. What’s more is that it is eco-friendly and energy efficient.

Pros

  • Energy efficient and saves you money on electricity bills
  • Portable and lightweight, which makes it easy to carry
  • Eco-friendly
  • Made from durable materials

Cons

  • Only ideal for a small space up to 250 square feet

What to Look for When Buying an Air Conditioner Without a Vent

Buying a ventless air conditioner can be a daunting task, especially when you do not know what’s obtainable. There are so many options available on the market, and if you go to get a ventless air conditioner without knowing what to look for, you’ll only end up confused.

The importance and benefits of ventless air conditioners cannot be overemphasized, which is why you need to be thorough when you choose the best ventless portable AC.

Cooling off with ventless air conditioners is awesome, and here are the key things you should look for when buying an air conditioner without vents:

High Airflow

The airflow of the air conditioner should be the first feature you look for when buying one. In general, when the airflow is higher, the air conditioner will work better. Also, ventless air conditioners have different airflow rates. Another reason why you should consider an air conditioner with a high airflow rate is that it will cool faster and more effectively.

Low Noise Levels

The reason for buying a ventless air conditioner is to make your personal space more comfortable. However, this will not be possible if the air conditioner you get is noisy, which is why it is important to ensure that it whispers quietly.

In general, most ventless air conditioners are noisy, and this is something you might not like. The good thing is that most manufacturers try to strike a balance between the level of noise and the airflow. It is important to note that ventless air coolers can create over 1000 CFR airflow, and this can generate as much as 70+ dB of sound. From the six products we have provided above, you’ll find some that are quiet and others that whisper quiet. It all depends on what you want.

Reliability

This should be your top priority when buying a ventless air conditioner. Most of the products you’ll find out there all claim to be reliable. However, that is not always the case because some of the manufacturers are only out for profit. One guaranteed way to ensure that you are buying a reliable ventless air cooler is by getting it from a recognized HVAC company.

Therefore, getting it from a reputable company will always be the best thing to do. However, the popular HVAC companies are not always in the business of producing ventless air conditioners. They usually focus on producing ones with vents.

If you are confused about what brand to get, you can consider any of the products we have mentioned above.

Convenience

All the things we’ve mentioned above are equally important, but most of all is the convenience factor. One thing you should note about most portable AC units is that they don’t always have multiple features like auto restart, programmable timer, digital display, and remote control. In general, these features help in making the operation a lot easier. However, it doesn’t necessarily mean that without these features the device won’t be easy to use.

Also, the method the unit uses to dispose of moisture is another thing you might want to consider. Some of the portable units available utilize an external draining hose, while others make use of an internal container that you must empty regularly. With technological innovations, there are improved ventless air conditioners that utilize evaporative technology to recycle excess moisture. Such devices draw out the moist air and condense the water to cool the hot coils before evaporating it. With this, you wouldn’t need a water bucket or hose to empty the unit.

The choice is yours to make, whether you want a unit with a hose, an internal bucket, or a unit that recycles excess moisture.

Budget

The last thing you might want to consider when buying a ventless air conditioner is your budget. You need to be sure that the cost is within your budget and that you are getting value for your money. Some ventless air conditioners are expensive, while others are budget-friendly. Factors that determine the price of a ventless air conditioner include size, design, and overall capacity of the unit.

Conclusion

From all we’ve mentioned above, you can see that ventless AC units are perfect for rooms of any size. With these devices, you can enjoy cool temperatures during summer and sufficient humidity in winter. Of all the products we mentioned in this review, we consider the evaCHILL Personal Air Cooler as the best choice, especially if you want to cool your personal space.

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FAQ

Are ventless air conditioners any good?

The best-rated ductless air conditioners on the market are easy to install and offer powerful, energy-efficient operation that saves you money over time. Many are drawn to ventless air conditioners because they are a more eco-friendly and secure solution to cooling a single room or space.

Is there a ventless portable air conditioner?

Is there a portable air conditioner that doesn't need a window? Yes. The truly ventless cooling devices are called evaporative coolers or “swamp coolers.”

Do portable air conditioners use a lot of electricity?

Depending upon its size (cooling capacity in BTU), using a portable air conditioner may use just one-eighth as much electricity as your central air conditioner. For example, there is no need to keep the entire house cool at night when you can run a portable air conditioner in your bedroom.

Do ventless portable air conditioners work?

Do ventless air conditioners work? Yes, they do! There is no refrigeration process or compressor to produce hot air like an air conditioner that must be vented. An evaporative cooler does not reduce the overall temperature inside a room or dry the air in the same way an air conditioner does.

How do ventless air conditioners work?

A ventless air conditioner works by the natural process of evaporative cooling to chill the air in a room. Ventless air conditioners use a tank of water and a fan to mist cold water into the air as a way to make it cooler.

Is it possible to add ice to a water tank?

Most of the ventless air coolers you’ll find on the market make use of cold water. However, some users think adding ice to the water makes the air colder.

The engineers from Evapolar say that it is just a myth, and it is not advisable to add ice to all devices, and the air will not become colder from this action.