Great air conditioner. I wouldn't describe this as particularly whisper quiet, but it's not a rumbling machine either. I use this in my sleeping quarters and use ear plugs regularly. If you buy, you will most likely need air conditioner foam and weather seal tape to seal any gaps around the window extender both of which can be purchased at a big box hardware store. Window extender and hose are genius but extender isn't level across the top because of its design. The length of the exhaust hose will limit the air conditioner's location to being right in front of a window. Not an issue for me but I think others have commented on this.
Michael Bell
May 10, 2019
Verified Purchase
Priced right works well
Easy set up Works very well Would recommend
What about ventilation?
Portable ACs use either a single hose or dual hose design. In cooling mode, single hose PACs remove hot air from the room, and then expel the hot air out the one hose. In cooling mode, dual hose PACs bring in air from outside through one hose, and expels warm air outside through the second hose. In both cases cold air in cooling mode flows through the unit's vents into the room.
Are there certain types of windows that are not suitable for PACs?
Casement windows are quite unique in design and functionality so PACs do not have window kits that can completely cover the gap for these types of specialty windows.
Can I leave the window screen in during installation?
The screen may not interfere with installation, but for better releasing of hot air out the window, it is better to remove the screen.
How do I know how many BTUs are required to cool my space?
A BTU (British Thermal Unit) is a standard unit of energy that measures the amount of heat per hour an air conditioner removes from a room. The larger the room, the higher the BTU requirement. Below, are some general guidelines. However other factors – such as the number of open doorways, a south-facing window with continuous sunlight, or a room with high occupancy – can require a unit with a higher BTU rating than the average guidelines.
Room Size in sq. ft. BTU
350 8,000
450 10,000
550 12,000
700 14,000
1,000 18,000
What do I need to know about PAC energy consumption?
AC units demand a lot of energy, so should not be paired on the same electrical outlet with other similar high-consumption devices. Always plug the unit into an available electrical outlet. Never use an extension cord to power your portable air conditioner.
What added benefits does my portable air conditioner offer?
Portable Air Conditioners are easy-to-use handy devices that can be moved around from one place to the other with ease. A portable air conditioner will naturally reduce humidity indoors, which is perfect for hot, humid summer weather. An additional fan mode can help circulate air throughout the room even when you have turned off air conditioning cooling.
Do portable air conditioners consume a lot of energy?
Air conditioners, including portable air conditioners, are complex machines and heavy power users. However, energy savings can lie in your usage of the technology. Choosing to cool down a single room with a portable air conditioner rather than switching on whole-house central air could result in significant cost savings.
Are PACs only beneficial during the summer season?
Depending on the model, portable air conditioners can also convert into dehumidifiers, extracting humidity without the cooling feature. This can be useful in the colder, wetter seasons if your space is prone to mold or mildew. Some Honeywell models are also equipped with a heating element, transforming the unit into a secondary heating source for winter.
Should I remove the insect screen after installing the window kit?
The air flow will work better without the obstruction of the insect screen. We suggest removing the screen.
How can I improve the performance of my portable air conditioner?
Several factors can affect the performance of your portable air conditioner. Foremost is whether your unit's BTU is suitable for your space. An inadequate BTU will not result in cooling. Other factors can affect performance, too: rooms with large open doorways or within open-plan spaces; rooms with poor insulation or high ceilings; south-facing rooms with copious direct sunlight. If any of these are the case, see if you can tighten up the insulation and overall boundaries, and add light-colored window coverings. Another factor is room occupancy. Crowded rooms will be hotter and require a more powerful unit to cool down.
My portable air conditioner is not cooling down my space. Why?
Run through this troubleshooting checklist:
Check your unit's BTU with your square footage and ceiling height.
Determine if your room has many openings – doorways or windows.
Determine if your walls and flooring are poorly insulated.
Does your room receive a lot of strong, direct sunlight?
Is your room often crowded?
A More Breathable Space
The Washable Dual Filtration System filters dust, pet dander and hair from entering the unit - Protects & extends the life of this AC bringing you value, while also helping to reduce impurities in the air. The filters are washable and easily cleaned under a faucet. This removes the need for replacement filters. There's also a Filter Clean Alert to remind you when it's time to clean the filter.
Save the Heavy Lifting with The light Portable AC
The MO08CES/ MO10CES Compact Series is one of the lightest in its class weighing no more than 45/49 lbs. This selection comes with smooth-gliding wheels that are capable of moving the unit from room-to-room.
Save Energy, Save Money
Reduce energy consumption of whole-house central air conditioning by setting up a Honeywell Portable AC in rooms that you actually use.
Quick & Easy Installation
All accessories are included for a quick installation on vertical or horizontal windows. Roll the AC to your preferred cooling area, set up the window kit, switch the AC ON and Voila! Immediate cooling without the heavy lifting of traditional window AC's.
Quiet Operation
The Honeywell MO08CESWK Portable AC's dual motor technology means lower noise levels. At the highest speed setting, the Compact Series portable ACs produces between 50 to 53 decibels (depending on the model BTU). That's about the sound level of an average conversation between two people in a quiet room!
Set It & Forget It
Enjoy simple & precise room climate control with the Honeywell Portable AC Smart Digital Thermostat system. Clear digital controls & a full function remote control make it easy to change settings from across the room.
Easy to Maintain, Easy to Store
The Self-Evaporation system means bucketless operation. In higher humidity rooms, the unit is equipped with dual drainage options offering you flexibility. A continuous drain system can be set up in minutes when used as a Dehumidifier. At the end of the season, simply roll the AC into a storage room until next time!
What's in the Box:
1 MO08CESWK (White/Black)Honeywell Portable AC
1 Remote Control (batteries included)
1 Owner's Manual
1 Warranty Card (1 Year)
1 Window Installation Kit
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