Honeywell – MO08CESWK: Portable Air Conditioner Review

If you are looking for an air conditioner that will enable you to enjoy cool air in your small room, then the Honeywell MO08CESWK can be a good choice.

This compact air conditioning unit is a perfect fit for small spaces that are up to 250 square feet. With a cooling capacity of 8,000 BTU, this unit is optimized to cool your room and make it a suitable place for relaxing. Fitted with a built-in dehumidifier, fan, smart digital humidistat, and a 24-hour energy saving timer, this AC unit will do more than just cool your room.

In case you are planning to buy this portable air conditioner, then you are most probably looking for more information on its features and specifications. Here, we have gathered all the information that you need before ordering your unit.

Apart from highlighting its key features, we have also summarized its strengths and weaknesses to help you make a well informed decision.

Description of the MO08CESWK by Honeywell

The Honeywell MO08CESWK is a compact portable air conditioner that is designed to cool the air in your room. This air conditioner is best suited for small spaces that are up to 350 square feet. This could be your bedroom, small office, or computer room.

Are you planning to save some cash by investing in a multipurpose unit? If your answer is yes, then you should consider this portable air conditioner. It can serve as an air conditioner, a dehumidifier, or a fan. All you need to do is set the system to perform the function you want it to. This is made easier by the remote control that comes with this powerful unit. The remote control has a digital display that makes it easy for you to adjust settings. With this remote control, you can adjust temperature, humidity, and air circulation in your room from the comfort of your couch, seat or bed.

The Honeywell MO08CESWK portable air conditioner can run for days without demanding your attention. When running continuously, its built-in dehumidifier can extract up to 44 pints of excess moisture in a 24-hour period. This ensures that your room stays free of excess moisture, and this helps to discourage growth of mold and mildew.

Unlike most portable air conditioners, this unit employs the auto-evaporative feature, and this saves you the hassle of emptying the bucket after every 4 or 5 hours. In areas with high moisture content, it is advisable to attach a hose to the unit to allow for continuous drainage.

Are you worried about the installation headaches? Relax. The Honeywell MO08CESWK is an easy to install unit. It comes with a window-venting kit that can be easily installed and removed when the AC unit is not being used.

Our research has revealed that the pieces fit quite easily and can take only 10 minutes to install. It is also among the lightest in its class and has wheels that allow you to easily slide it to the location of your choice.

Unlike most portable air conditioners, this unit is designed to give an alert for filter change. If the filters are clogged, the performance of an air conditioner can be significantly affected. The alert helps to enhance the efficiency of your unit.

If you are looking for a quiet unit, then it is important to note that this air conditioner can produce loud sound. This unit is therefore not recommended for spaces that demand quietness.

Technical Specs

Cooling Capacity (BTU)8000 BTU
Built-In Dehumidifier44 Pints/day
Built-In Heating-
Recommended Room Size350 square feet
Auto restart after power outage?-
Fan Speeds2 speeds
Air Flow at High Speed (Max CFM)-
Max Noise Level-
Remote control?YES
Dimensions14.6 x 13.5 x 27.7 inches
Weight43 pounds
Price~ $310


  • Easy to install. The flexible exhaust pipe and the window venting kit are easy to install. In some cases, it will take more time to unpack than to install the unit.
  • Effective cooling. This AC unit does an incredible job when it is installed in a medium-sized room.
  • Multipurpose unit. This portable AC unit is a 3-in-1 system that cools, dehumidifies and circulates air in your room.


  • Produces loud sound. This unit is not suitable for spaces that demand quietness. Nevertheless, the noise produced by this unit is less disturbing to people who are not highly sensitive to noise.

Users' feedback

Users quotes on Amazon.comI wanted to purchase an air conditioner for emergency uses only to use with my portable generator in case we lose power during and after a storm. I needed a unit that would cool about 265 sq/ft. ( small office/room, bathroom and small kitchen). I use to be in the commercial air conditioning business, so I know about air conditioners, BTU ratings and wattage's,etc. After 3 weeks of searching and reading hundreds of reviews on all portable Ac's , surfing the web for hours looking for the right one, I couldn't find any units that were rated with 5 stars. I even went to Home Depot and Lowe's and thought about buying a small energy star 6000 Btu window unit, but didn't want to mess with lifting it and installing it in the window when the time comes. Well, I found this Honeywell unit, which did actually have 4.2 stars. I liked the fact that it was a 8000 BTU unit with a low amp rating, low watt rating and it did not weigh that much. The actual amps and watts are higher than listed by the manufacture. I snapped some pictures showing actual readings using my Kill-o-watt meter. I can deal with the higher wattage and amps because it is not too far off from the rating + it still will not place that much load on my 3400 watt generator. I also took a photo with my laser thermometer showing discharge temp from the discharge register. As I type this review, the actual temperature in my office where I am testing the unit shows 69-70 degree inside room temperature and is 87 degrees outside temp...not bad. The only thing I wished it had was oscillating vents, but that was not a deal breaker for me. I also want to say how easy it was to set up and install the discharge hose in the window. Took me 3 minutes. I hope my review helps you with your decision."

Users quotes on Amazon.comThis portable a/c is well designed and is attractive to the eye. If you have never installed an A/C, this unit will be the easiest you ever install. It literally took more time to take it out of the box than to install it. This 8,000 BTU unit is perfect for my small NYC studio apartment. In Manhattan most buildings require that you hire a professional a/c installer when installing a window a/c, this usually starts at $150 dollars, that's money I did not have to spend when I bought and installed this unit myself. The a/c is small in size and has wheels meaning you can move it easily and place it in the most convenient space in your studio."

Conclusion: MO08CESWK by Honeywell

The Honeywell MO08CESWK portable air conditioner is an extremely suitable unit for improving the conditions of your room. It is designed for small rooms that are up to 250 square feet.

This unit has a cooling capacity of 8,000 BTU and it can remove up to 44 pints of excess moisture from the air in 24 hours.

In addition, it is easy to install and use this portable unit. We have observed that this air conditioner sometimes produces a loud sound when running. In case you are looking for a portable unit for your quiet room, then you may need to consider another model. You now have all the information that you need to make a well informed decision. Good luck!

Our rating:


| Honeywell - MO08CESWK
| Rating :