Best Ventless Air Conditioner – Reviews & Guide 2022

best ventless air conditioner

When summer comes rolling into town, one of the things that occupy the mind is how to cool off in the upcoming heat. The heat can become sometimes unbearable to the extent of turning to the use of a cooling system in your home or office. There are various ways to cool off in the summer heat such as making use of air conditioners, fans or even embracing the open breeze. One of the popular means of cooling the home or office is the use of a ventless air conditioner, and often consumers are on the lookout for the best ventless air conditioner to buy. This we will be discussing in the article.

The common central and window air conditioning systems are usually bulky and expensive. While ventless air conditioners are designed to be portable and cost-effective, which is why people are embracing the ventless air conditioners.

Best Ventless Air ConditionerReviews

1. BLACK+DECKER BPACT08WT Portable Air Conditioner

The Black + Decker ventless unit is the ideal air conditioning unit to counter heat during the summer. It is capable of dehumidifying air and circulating efficiently throughout the room. It has LED electronic controls and it is noiseless, which means you can easily use it through the night.

It is quite portable too with side carrying handles and rolling casters for moving it around easily. It is fit for space measuring around  100 to 150 sq. ft. Its design ensures a balanced and powerful airflow with steady air temperature in any space where it is used. To reduce vibration and noise, it is best used on a firm and even surface. To also ensure efficient cooling of the room, it is to be operated in a room with closed windows and doors. The design also has a bucket less feature that combines dehumidification, fan, and cooling with an eco-friendly coolant R410a.

The hose full length stands at 4ft. and 11 inches, and it also comes with a window kit as well as a manual guide for the installation process. Additionally, there is a remote control as well, which means you can change the settings of the ventless portable air conditioner easily.


  • The installation is easy.
  • There is a sleep mode feature.
  • A 24 hour on and off timer.
  • An easy to clean slide-out filter


  • There is no extender for wider windows.
  • It cannot be used in a crank casement window

2. JHS 10,000 BTU Portable Air Conditioner

The JHS portable AC is ranked among the best ventless Portable air conditioner in the market. It is able to cover a space of about 300 sq. ft. with a capacity of 10,000 BTU making it perfect for bedroom, office, kitchen or even work garage. Its multi-function makes the ventless unit stand out with a combined dehumidifier, air conditioner, and 2-speed fan. The dehumidifier is capable of eliminating moisture up to 50.7 pints each day to maintain the coolness of your room as well as keeping it dry.

It is built to be highly portable with a top handle and an all-direction stainless castor, which enables you to move the unit around easily from place to place. The machine also features a 24 hours timer that is configurable and a thermostat as well that can be adjusted between 61o F and 88oF. Additionally, the LED display gives it an exquisite look and allows you to read the setting changes. There is also a remote control to change the settings from wherever you are within the room.


  • Low noise level.
  • CFC free coolant.
  • The installation is quick and fast.
  • It can auto-restart after a power surge.


  • It covers a small space.
  • It is not compatible with a crank window.

3. Whynter ARC-14S Portable Air Conditioner

This indoor air conditioner no vent from Whynter is built to be portable and powerful. It has an auto drain features that can be utilized to recycle the moisture collected in the process of cooling the room. The air conditioner features dual hose exhausts making even more efficient in removing the hot exhaust air and offer swift cooling too.

The company is environmentally conscious which is why it embraces the lead and CFC free coolant in its air conditioning product. The unit is capable of covering up to 500 sq. ft. of space making it ideal for your bedroom, office, etc. Although the ambient humidity and room temperature may have an effect on top performance.

The unit is designed to work in three modes which are the dehumidifier, air conditioner, and fan mode. There is thermostatic control in the range of 61oF and 89oF as well as a digital display. It is remote controlled and easy to operate.


  • Three modes of operation.
  • It has 3 fan speeds.
  • The installation is easy and simple.
  • It will automatically restart after a power surge.


  • It can turn noisy after a while
  • It may be too huge to move about easily.

4. Honeywell MO08CESWK Compact Portable Air Conditioner

The Honeywell ventless air conditioner is a three-mode unit that features a multiple-speed fan, AC cooling as well as dehumidifier. It is lightweight and portable weighing just 22kg equipped with a gliding wheel that makes it easy to move in between rooms. It can cover an area of 350 sq. ft. The unit is also equipped with a window-venting panel as well as a flexible exhaust.

The dehumidifier can eliminate around 44 pints of moisture per day with auto evaporation and continuous drain function. The digital controls give additional comfort when operating the unit with a smart digital humidity, all-day energy saver timer as well as 2 speeds control and remote control. The filter system features a washable double filter, which means there is no for replacement. The filter sieve out the pet dander, hair, and dust that might enter the system. This helps prolongs unit life and also decreases air impurities. There is also an alert system that reminds you to clean the filter when the need arises.


  • The installation is easy and quick.
  • It is easy and simple to maintain.
  • There is a Smart Digital Thermostat system.
  • Lower noise level.


  • It covers a small area.
  • The continuous drain is not available in AC mode.

5. COSTWAY 10000 BTU Air Conditioner

Another ventless air conditioner this time from Costway, these portable ductless air conditioners are capable of covering 400 sq. ft. along with four casters for better mobility. The unit features a two way up and down air deflection for even circulation that helps remove hot spots, cool the room appropriately. The exhaust hose can be fitted through any vertical and horizontal window opening.

The design features several protective systems like a smart thermostat, configurable timer as well as water storage full warning and control among others. The unit can be put in the sleep mode to make it go very quiet while maintaining the set temperature as you sleep. The configurable 24-hours time can save you any extra worries concerning settings. Although the temperature display is by default in Celsius, nevertheless, it is available in Celsius and Fahrenheit and the temperature range is between 62.6oF and 86oF. The coverage is wide and can be remote controlled.


  • There is a self-evaporating function to help with saving energy.
  • Fast and efficient cooling.
  • Double temperature unit display.
  • There is an optional 2 fan speed.
  • Four modes of operation.


  • The unit does not come with a drain hose.
  • Except it is on sleep mode, it is not that quiet to use.

6. Honeywell 300-412CFM Portable Evaporative Cooler

Although this is quite different from the ventless ductless portable air conditioner in this list. It is designed to be more of an air cooler using an evaporative technique combined with a humidifier and fan. it is suitable for the dining table, bedside, desk-side, sofa area cooling. It works best in an area that is hot and dry and has humidity less than 50 percent.

As part of its protective functions, the unit features heat-safe internal casing as well as thermal overload protection for additional safety. The unit provides intense cooling and has removable water storage capable of storing 10 gallons of water. At full capacity, the water tank will go for solid 7 to 8 hours at close to 50 percent humidity. There is also a carbon dust air filter installed in the unit along with energy-saving timer, ice compartment, low water level alert, among others.


  • Low energy consumption.
  • Eco-friendly as no refrigerants are used in the cooling process
  • There is a Smart Digital Thermostat system.


  • It is only fit for a dry and hot climate area.

7. EdgeStar AP12000HS Portable Air Conditioner

This three in one unit from EdgeStar is touted as energy-efficient yet powerful and versatile. In terms of energy efficiency, it has an eye-catching 10.0 Energy Efficiency Ratio (EER). It serves as an air-conditioner, dehumidifier, and heater to cater to your various needs. Due to the fact that the unit can serve as an air conditioner and heater that means it can be used all through the year and no storing away during the winter months needed. It also dehumidifiers up to 78 pints of moisture per day.

It is capable of covering 250 square feet. It has a filter designed to take out air contaminants like smoke, mold spores, dust, among others. The double filtration ensures that foul odors are eliminated from the air. In addition to that, the pre-filter is washable and the carbon filter is replaceable. It has a configurable timer that enables you to set the air conditioner to an automatic periodic cycle or time it to turn off at a certain point.


  • Smart auto restart feature.
  • It has three fan speeds.
  • It features an auto drain system.
  • The unit has energy-saving features.


  • It can be loud during usage.
  • The unit is a bit heavy.

8. Ivation 10,000 BTU Portable Air Conditioner 

Talking of multiple mode air conditioner then the Ivation fit the bill perfectly with up to 5 fitting operation modes. There is the sleep mode, fan, cooling, auto, and dry mode. The unit is capable of covering an area of up to 400 sq. ft. such as your work office, bedroom, cabin, etc. Also, the unit is portable and can be move from place to place.

The temperature can be displayed in both in Celcius and Fahrenheit. The remote control included in the unit allows you to change and view the settings from a distance. The expendable exhaust pipe allows you to get rid of hot air via a double-hung window and standard slider.

The dehumidification feature work to provide quick relief in the moist area by eliminating the moisture by 61 pints per day. Additionally, there is an auto-restart function that allows the unit to return to the previous setting after a power surge.


  • A removable air filter that can be cleaned.
  • Three-speed adjustable fan.
  • The temperature is adjustable as well.
  • Low water level alert system.


  • It covers a small area.
  • You have to refill the water storage manually
  • Window venting is needed.

9. Luma Comfort EC110S Portable Evaporative Cooler

The Luma Comfort EC110S is a ductless portable air conditioner that is ideal for an area that less humid and hot. It cools the air in the room using the evaporative technique backed by the patented cyclonic cooling technology. It can serve as a humidifier, air cooler,and tower fan bringing your room temperature down by 20-30oF. The fan three speeds cooling as well as wind modes enable the unit to circulate fresh air even when the weather is in its hottest. Its coverage area stands at 250 square feet.

The unit stays eco-friendly by relying on the natural process of evaporation and staying away from various chemicals. The design is built in a way to make the unit compact and portable with the noise level considerably low. It is very lightweight compared to the other on this list with extra features like energy-saving timer, wind settings, remote control as well as a digital display.


  • There is no harmful chemical-based coolant used.
  • Low noise level.
  • It saves energy by as much as 75% than conventional AC
  • It can be used indoors or outside.


  • It covers a small area.
  • It is only ideal for dry and hot areas.

10. LG LP1217GSR 115V Portable Air Conditioner

To round the list of ventless air conditioners, we have the LG portable air conditioner, which is perfect for cooling out the heat. The unit portability allows it to be moved from room to room and smooth modern design allows the unit to blend with the room interior. The AC unit also has an auto-swing air vent technology built to ensure proper circulation of cool air. The temperature is also adjustable and there is a 24-hour timer.

The unit can be remote controlled and there is an appropriate LED display for you to monitor the settings. It is capable of covering around 500 square feet depending on the capacity you choose. The area covered ranges from a mere 200 sq. ft. to 500 sq. ft. The LG unit can also be operated as a dehumidifier that removes 2.8 pints of moisture per hour.


  • It has an auto evaporation system.
  • Auto swing louvers for proper circulation.
  • Configurable 24-hour timer.
  • Adjustable temperature.
  • There are two cooling speeds and two fan speeds to make the unit flexible.


  • The noise level is a bit loud for those that are noise sensitive.
  • Shipping packaging is lousy.

Benefits of Using Ventless Air Conditioners (AC).


Most air conditioners you see are immobile that is once fixed it can’t be moved whether it is the cabinet type or window type. However, with the ventless air conditioner, it is designed as a standalone air conditioner that can be moved around to a particular place in need of cooling. Furthermore, in the process of installation of the ventless air conditioner, you have total control over the area you want the unit placed and how you want it to be placed.


Everything about the ventless air conditioner is about saving costs. Obviously, its ventless design means that it doesn’t need an outside connection to a compressor translating to lesser energy consumed. Thereby saving you cost on energy bills. Generally, the ventless AC is cheaper than the conventional air conditioner you find in your offices and homes. Then due to the ventless AC wirings and structure, you spend less on replacement parts and repairs as well as maintenance costs in contrast to conventional AC with costly replacement parts.

Environmentally efficient

Your carbon output seriously decreases due to the improved efficiency of the ventless AC. That is because the ventless indoor air conditioner can be placed purposefully across several rooms to cover the exact space where it is needed. Additionally, each component unit can run independently of each other. 

How to Use Ventless Portable Air Conditioner

To use a ventless AC properly you have to understand how they work so you can know how and where to place it. The AC pulls in hot air in the room and runs it along a water-soaked cooler, which is then evaporated into the air after which it absorbs the heat from the air molecules. This results in much cooler air, which is then spread across the room. Therefore, to use your ventless AC, it is advisable to put it close to an opening like a door or window to enable fresh air to creep into the room.

Since the ventless AC doesn’t have much installation procedure, it is easy to set up and put into use. As they are portable, just roll the unit over and you can plug them anywhere you see fit but avoid using extension cords as it can cause them to overheat. Ensure you add water to help cool the air, each unit depending on the model and size can hold between 1.75 and 5.25 gallons of water while some large ones can hold as much as 7.5 gallons. Depending on the size of the room, you can use one or more units, and try having the doors and windows shut. On a very dry and hot day, the temperature can drop as far as 30oF.

Ventless Air Conditioner Buying Guide

When trying to pick the best ventless air conditioner, there are certain things to look out for to ensure you choose the right one for you. Some of those factors to deliberate upon are discussed below:

Cooling Ability

Each type of unit has a particular amount of area it can cover for cooling. This ranges from 300 sp. ft. for small units to 650 sq. ft. for bigger models. It is essential you know the size of your room to help you decide which one to go for.

Portability of the Unit

A lot of the ventless units are very moveable as they are usually equipped with handles and wheels. This makes it easy to move the unit about, nevertheless, not all ventless units are designed so. Some units can actually be quite big or heavy. Besides, if they are not equipped with wheels, it will be very hard to move them. You should consider the height too for easy transportation.

Water Storage

As you know, your ventless unit will come with a storage tank where you add water for cooling the air that goes through the unit. As a result, the larger the water tank, the more efficient the cooling. That means you have to go for a unit with considerably sized water storage.


The run-time of each ventless AC differs with some providing around 3 hrs. of operation. However, it may not be sufficient, which is why you should go for an air conditioner unit that is capable of a minimum of 8 hours of operation.

Maintaining Tips and Tricks for Ventless Portable Air Conditioners

The maintenance of ventless air conditioning units is not as costly as that of central and window air conditioners. To prolong the life of your unit there is some advice on how to properly maintain it and give it maximum efficiency.

  • Ensure it is placed near the window as much as possible because the hose of a ventless unit is short. It takes out the hot air in the room faster.
  • Make sure you are inspecting the air filter at least once every two weeks to see if it is dirty. If there is any dirt in there then you clean it up.
  • You cut off gaps and cracks that may appear between the panel, window, and frame that holds the ventless AC unit. In doing so, you will be preventing the conditioned cool air from sipping through those gaps and cracks.
  • Check the condenser coils each month as they become dirty as time goes on. Getting covered in grime and grease, and the replacement can be costly, which is why great attention must be paid to it. You can get a coil cleaner solution to clean up the condenser coil.

Lastly, ensure the room that houses the unit is clean and free from dirt and dust. That can cause debris to clog the air filter faster as well as cause internal part damage.

What to Look before buying a ventless air conditioner?

There are series of things to be considered when it comes to purchasing a ventless air conditioner. The first is to decide on the power unit that will be enough to satisfy your need for it. The portable ones are able to generate as much as 12,000 BTUs which is appropriate for small and average-sized rooms. The second thing you might want to put into consideration is BTU output, convenience features, and energy efficiency. Another important consideration is the brand names, there are lots of brand names you can purchase from. Nevertheless, carry out research about all other brands besides the famous ones you know before making a purchase as they can sometimes prove to be more efficient than the so-called popular brands.

To evaluate a portable air condition, the size must first be considered (home or commercial property). To do that, calculate the square footage and figure that 25 to 30 BTUs will be needed for every square foot of space. A well-insulated space will require fewer BTUs per square foot, around 15 to 20. In reference to the above equation, a room that is 150 square feet in size will require 3,750 BTUs to efficiently cool it, so a 5,000 BTU unit will be excessively enough. So next time you decided to purchase a portable air conditioner either online or from a ventless portable air conditioner home depot, make sure that the one you choose has the necessary power to work efficiently for the size of the room. 

F.A.Q –best ventless portable air conditioner

What is the ventless air conditioner?

In contrast to the central or window ACs, ventless air conditioners don’t require a permanent installation. Generally speaking, Ventless air conditioners are compact air cooling units without a venting hose like the central and window ACs and are also very portable. Over the years, a ventless air conditioner has been given many names like an evaporative air conditioner, and swamp cooler.

Even thou, the ventless AC is not truly an air conditioner per se due to the fact that air conditioning, which undergoes the process of air treatment, filtration, and dehumidification, has to be vented out to release the heat outside. Instead, the ventless air conditioner can be seen as the smaller version of the larger build swamp coolers utilized for bigger homes.

Experts are quick to point out that ventless portable air conditioners are not actual AC nevertheless that is the name that has stuck. Ventless AC can be a good option for summer cooling down provided certain conditions are met and the budget fits perfectly.

Do ventless air conditioners work?

100%! They work quite well. To cool the air in the room the system operates by water evaporation to cool the heat in the air molecules around it. Maximizing the AC unit operation and effectiveness is done by placing the unit to a nearby opening. Doing this will enable new breeze flow into your room resulting in better performance of the unit. You can try to get one from the portable room air conditioner home depot before the summer season close in to be well prepared ahead.

How to decide if Ventless Air Conditioner is an Ideal Alternative?

The best time to use a ventless air conditioner is during the dry season since they function by cooling the air through the addition of moisture. Nonetheless for a ventless air conditioner to function properly it has to be constantly supplied with a new breeze to prevent air over-saturation in the room. Another edge this technology has is with the portability.

Here are some scenarios that make ventless AC very resourceful.

-Cooling a particular area in the house or work building.

-To supplement general heating, ventilation, and air conditioning system in the house or office.

-When you want to expend less on expenses

-when you desire portability, a unit can be used in several places.

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

Using the portable air conditioner in a room without a window is very possible but your creativity will have to come in here. Take, for example, you can make space either through a dryer vent or through a drop ceiling or a wall.

Out of all the methods that can be applied, a dryer vent is highly recommended. Venting the portable AC through a nearby wall can be done by boring a hole through the wall, so as to channel the hose conveniently. Venting through a drop-ceiling is also possible by passing the hose through the ceiling.

What occurs if you do not vent a portable air conditioner?

A portable air conditioner has to be vented out of the room either outside or to another room that you don’t mind being hot. If you don’t do that the room will fill up with the hot air trapped inside. For the room to achieve cools, the moisture level in the room must drop. Therefore, failure to vent the unit outside will result in the moisture build-up, which will affect the air coolness of the ventless air conditioner.

How durable is a ventless portable air conditioner?

Generally, the durability and lifespan of the AC unit depend on some factors like usage frequency, brand, and level of maintenance. Typically, the unit can last between 10 to 15 years while poorly managed one should not last for more than 10 years.

Are they easy to Install?

As there is no need for an outdoor venting with a ventless air conditioner. That means the manufacturer can afford to make it portable and light, which makes it easy to install for just about anybody. This saves you additional cost that comes with hiring an expert for installation.

How to choose the ideal size for you?

Before you make the decision to buy, it is important to know the exact size that can cater to your room space adequately. This will save you the burden of buying an inefficient unit which will end costing you and wasting your money.

Therefore, as you are browsing through the collection of ventless air conditioners, you must have in mind the efficiency rating. The commonly used rating is BTU and CFM.

Both are numbers that indicate the maximum coverage the unit offers and can handle efficiently. You must take great care to note these numbers before buying a unit so you can get the right size for your room. You must also know the measurement of your room. For example, for square footage, you need to take your room measurement (the width and length of the room) and multiply the two numbers you get together to give you the sq. ft. of the room. If your measurement is in odd numbers, round down or up to the nearest whole number in foot unit.


As you know already, the ventless air conditioning system offers an effective means of providing cool air for your room, office, kitchen, etc. in the heat of summer. Even thou some of these units are best equipped for dry and hot weather; we still have some that will fare well in areas with some levels of humidity.

Nevertheless, selecting the best ventless air conditioner is made easier with our guide. You should be able to select the one that can adequately tend to your needs in the summer heat. In this guide, you will find the fundamental information that can help you make sound choices regarding the right size of unit you need.

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