Best Portable Air Conditioner Without Exhaust Hose

Finding the best portable air conditioner without an exhaust hose can be difficult. There’s a lot of information out there and it gets confusing, especially with all the different kinds like swamp coolers, ventless portable air conditioners and portable evaporative coolers. Don’t be fooled by the different names. Typically, they function the same way.

Portable air conditioners can be a great way to save money for folks who do not have centralized air conditioning and don’t want to deal with the hassle of getting it installed.

It can also be a great alternative to purchasing a fan or window-mounted AC unit. In fact, certain building regulations or window configurations simply do not allow for the installation of window units.

What makes these portable units so great is that they can cool areas averaging 500 square feet and you don’t need to hire a professional to have one set up. They can also be moved from room to room which is another great benefit because you won’t have to fuss over the hose.

This article does the heavy lifting for you and breaks down some great units to save you the time and energy of doing the research yourself.

Below you’ll find reviews of five products we think are worth taking a look at.

5 Best Portable Air Conditioner Without Exhaust Hose

Picture

Name

Editor Rating

Price

Honeywell CO25AE 500 CFM Indoor/Outdoor Portable Evaporative Cooler

Honeywell CO25AE 500 CFM Indoor/Outdoor Portable Evaporative Cooler

Quilo QE1SKS 3 in 1 Quiet Energy Efficient Portable Tower Fan

Quilo QE1SKS 3 in 1 Quiet Energy Efficient Portable Tower Fan 

Luma EC11OS Comfort Portable Evaporative

Luma EC11OS Comfort Portable Evaporative

Hessaire MC37M Portable Evaporative Air Cooler

Hessaire MC37M Portable Evaporative Air Cooler

NewAir EC111W Portable Evaporative Air Swamp Cooler

NewAir EC111W Portable Evaporative Air Swamp Cooler

Reviews of the Best Portable Air Conditioner Without Exhaust Hose

1. Honeywell CO25AE 500 CFM Indoor/Outdoor Portable Evaporative Cooler

Honeywell CO25AE 500 CFM Indoor/Outdoor Portable Evaporative Cooler

Editor Rating

The Honeywell features a 6.6 gallon water tank and low power consumption with a low water alarm that alerts you when you need to refill it.

They offer a one year warranty parts and labor and a five year warranty on all parts of the sealed system (compressor, condenser, evaporator and factory connected refrigerant tubing).

Ideal for humidity levels of 60% or less, this evaporative cooler from Honeywell works in both indoor and outdoor settings, is weather resistant and cools areas up to 300 square feet. For maximum efficiency, it should be placed near a door or an open window.

If you live in a region like the southwest where the air is dry this might be a great option, especially for small outdoor BBQs or RV camping.

Pros

  • Wheels make it easy to move around
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    Sturdier and more dependable cooling pad than most swamp coolers
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    Able to put ice in the top tray where the water drains through the cooling pad
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    Comes with Swing feature which oscillates the fan

Cons

  • Little instruction provided on how to clean or diagramming of unit
  • Heavier unit weighing 25 pounds

2. Quilo QE1SKS 3 in 1 Quiet Energy Efficient Portable Tower Fan 

Quilo QE1SKS 3 in 1 Quiet Energy Efficient Portable Tower Fan

Editor Rating

The Quilo is a smaller cooler with a water capacity of 1.85 gallons and weighing just under 12 pounds. It offers a one year warranty or 30 day money back guarantee. It uses 7.4 watts of electricity in Sleep Mode and 36 watts on Turbo Mode. Overall it’s using less power than the other coolers in this article.

The Quilo 3 in 1 boasts low power consumption and whisper quiet operation. A 2018 IHA Global Innovation Award Finalist, its 3 in 1 technology feature displays an innovative product design.

Equipped with a unique detachable water tank and filter, this feature keeps the dust, dirt and pet dander from penetrating the water tank and protects the internal cooling system.

The Quilo Portable Tower Fan is most efficient in rooms of small to medium spaces and makes a great choice when you have to spot cool a your living area.

Pros

  • Quiet mode with low power setting
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    Lightweight makes it easier to move from room to room (11.68 pounds)
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    Unique water tank filter 
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    Low-energy LED Comfort Light

Cons

  • Smaller size makes it difficult to cool rooms larger than 130 square feet

3. Luma Comfort Portable Evaporative Cooler #EC11OS

Luma EC11OS Comfort Portable Evaporative

Editor Rating

Priced at under $200 with a one year warranty, the Luma Comfort #EC11OS seems to be your standard portable evaporative cooler. Its tank holds 1.76 gallons of water and only uses 110 watts.

If you’re looking for something simple, modestly priced that has all of the basic features of a portable evaporative cooler then this might be just what you’re looking for.

Equipped with three fan speeds, remote control and works both indoors and outdoors. It boasts the potential to drop air temperatures by as much as 20 degrees in your bedroom, den or office. Is also eco-friendly and uses less electricity than a standard A/C unit.

This device has easy to follow instructions and a well-packaged cooler with ice packs ready for use. You should be able to assemble and have the entire cooler up and running in 10 minutes.

The water tank lasts for over eight hours and won’t run dry on a medium setting. The tall and slender design makes it easy to move on rollers. It’s fairly light-weight at 16 pounds and won’t flip your breaker like portable A/C units can.

Pros

  • Quick and simple set up
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    Easy-to-follow instructions
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    Lightweight (16 pounds)

Cons

  • Small size, won’t cool down large rooms

4. ​Hessaire MC37M Portable Evaporative Air Cooler

Hessaire MC37M Portable Evaporative Air Cooler

Editor Rating

By far the largest model in this series, the Hessaire MC37M cools spaces up to 950 square feet. It weighs 39 pounds so you might have some trouble moving it from room to room.

The coolers boast three panels as opposed to one panel which lets more air into their patented axial prop. This allows for a greater volume of cool air to be cast farther into your living space. The oscillating air swing delivery system allows for the highest cooling effect.

One thing the user might appreciate is the fill options. You can select either manual or continuous fill. For manual fill, you’ll push open the fill door adding water to the tank and monitor the level through the indicator. Continuous fill lets you add the garden hose float adaptor to the unit when you assemble it which removes the need to monitor the tank.

It also comes with a pump rocking switch to initiate the internal Xel50 cooling media, soaking it with water allowing it to begin spraying cool moisture into your space.

The overall size of this device makes it a great option for camping or tailgating.

Pros

  • Exterior mold with UV protection makes it more weatherproof
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    Large water reservoir (10.3 gallons)
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    Intuitive control panel
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    2200 cfm cools larger spaces up to 950 square feet

Cons

  • Only two fan speeds
  • Better suited for outdoor use only

5. ​NewAir EC111W Portable Evaporative Air Swamp Cooler

NewAir EC111W Portable Evaporative Air Swamp Cooler

Editor Rating

Starting at just above $150 with a 1 year warranty, the NewAir boasts an electricity usage of a 100-watt light bulb and a 1.76 gallon water tank. The air flow mists at 500cfm and weighs 17 pounds making it light enough to carry up a flight of stairs.

Since this unit is on the smaller side, those with smaller spaces to cool might find this a better fit. It does boast the capability to lower your indoor temp by as much as 30 degrees. That will probably benefit those with smaller living spaces. I wouldn’t recommend it in an area with a wide, large open space.

Again, if you’re looking for something more compact this unit delivers. Covers the basics with three fan speeds, two operation modes and cools down rooms up to 250 square feet.

NewAir does offer a 30 day money back guarantee and 30 day hassle free return policy. This might benefit the person experimenting with different types of coolers and find that this one doesn’t meet their needs. In that case simply return it within the designated time period.

Pros

  • Comes with digital display
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    Energy-saving design
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    Push button control
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    30 day money back guarantee
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    Automatic shut off when the water gets too low

Cons

  • No adjustable louvers
  • No automatic louvers

How An Evaporative Cooler Works

An evaporative cooler works by utilizing the natural process of evaporation. Water is circulated through a cooling pad, while a fan pulls warm air through, cooling it. The air that passes from the cooler into your living space is then cooled and moistened.

It utilizes a fan, humidifier and evaporative cooler into one machine. It benefits those people who live in dry and hot climates particularly in the southwest region of the United States. Because evaporative coolers don’t use big compressors or refrigerant gases, they leave a smaller carbon footprint with some running on just enough power to run an iPad. This also means lower energy bills.

The easiest way to think of how an evaporative cooler works is like this:

 “As water is evaporated, energy is lost from the air, reducing the temperature.”

The hot air passes through the water-soaked pads evaporating it, lowering the temperature and raising the humidity.

It differentiates itself from standard A/C units by using less power and no chemicals. A/C units use a process known as vapor-compression and uses chemicals (refrigerants) to cool down your living space or automobile. The most common chemical used is Freon.

Disadvantages of Evaporative Cooling

While evaporative cooling works great in hot and dry climates like the southwest, it doesn’t work well in hot, humid areas or places with heavy rainfall. Your temperature range is not as great as with a standard A/C unit and A/C units still work in areas with high humidity because their cooling process is different.

It can use up lots of water depending on your unit. In some cases, as much as seven gallons an hour. There is also the chance of water leakage so it’s important to take precautions there. Because they require a steady supply of water, if you live in an area with a low water supply it might not be the best fit.

Because of all the moisture created in an evaporative cooler, the machinery is susceptible to mold and mildew. If you have sensitive allergies or asthma you may want to consider an alternative cooling method like a standard A/C unit.

They must be cleaned regularly in order to prevent the spread of germs and other bacteria. This will require more maintenance on your part as salt and mineral deposits accumulate.

Best Way To Use An Evaporative Cooler

Evaporative coolers work best if they are placed near an open door or window. It might sound counterintuitive opening up your door or window, but in order for the cooler to work efficiently you need to let the air out of your space. This keeps humidity levels down and your space from becoming saturated.

Remember, these units are not meant to replace an A/C unit and work best in hot and dry climates where the humidity is 60% or less. Try an internet search with the phrase “humidity in {your city}” to find out what yours is before making a purchase.

It also helps to close windows and doors in areas of your home that you don’t want cooled. Doing this directs the air to the area you want cooler by pulling the cold air in that direction.

If the weather outside isn’t too hot, another benefit is simply using the fan without use of the entire cooling system. Typically, a vent-only option is available, enabling you to cool down your home with a little outside air.

Conclusion

The clear winner for me is the Quilo 3 in 1 Energy Efficient Portable Tower Fan. Since I’m not looking to replace my A/C unit and cool a large space (that’s what my A/C’s for), I’d want something small and easy to operate.

It’s lightweight at just under 12 pounds and is the cheapest on our list. Plus, I appreciate the extremely low use of power at only 7 watts on sleep mode and 36 watts on turbo. The 30 day money back guarantee offers you some piece of mind and assurance that Quilo has your back should you decide to return it.

The unique filtration system keeps out the dust and dander from penetrating the system and was an IHA Global Innovation Award Finalist which also impressed me. My money is on this cooler, ideal for spot cooling small spaces.

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