TOSOT logo
TOSOT logo

All articles

Window AC

What is the 3-minute compressor protection?

All TOSOT Air Conditioners have a 3-Minute Compressor Protection feature to help extend the lifespan of your unit. You may notice this happening when the unit is not blowing cold air or you can’t hear the sound of the compressor. Below are some situa

Are the window air conditioner fits in my window?

Please check the unit dimensions of the Chalet and Tranquility series. The recommended window sizes are as below:. Chalet Unit dimensions: WxDxH inches. 8,000 BTU: 21x17.25x12.75 inches. 10,000 BTU: 21.38x22.75x15.75 inches. 12,000 BTU: 21.38x22.75x1

What is the little symbol that looks like a person's head and shoulder showing on my unit?

It might be the "filter cleaning" indicator. After 250 hours of continuous operation, the filter cleaning icon will illuminate to remind you that it is time to clean the filter. If you are using the Chalet series window AC, after cleaning, press and

How does the Energy-saving mode run?

When entering the Energy-saving mode in the cooling mode, the compressor will stop, while the fan will keep running for 3 minutes and then stop for 10 minutes. Later, the fan will run again for another minute and then stop for 10 minutes. Then, the f

How does the sleep mode work?

When entering sleep mode in cooling mode, the temperature will rise by 2°F after a one-hour operation, and keep increasing by 2°F each hour. Then, the unit will stay when reaching the upper-temperature limit, 86°F. For example, if the original set te

Do the window ACs come out of the case or are they fixed solid?

All TOSOT window ACs are sold as single-box units.

Can the window air conditioner be mounted vertically or sideway instead of horizontally?

No, the unit has to be installed horizontally, which can prevent any collected water from flowing back to the compressor.

The air conditioners cycle on and off.

Our Window AC is a fixed frequency air conditioner, when the unit detects that the room is cool enough(by temperature sensor), the compressor will power off, i.e. the unit will not stay on, to save energy and control the temperature does not go down.

Water circulating noise in the unit

There is a design inside that splashes collected water onto the fan to encourage the cooling of the evaporator and the condenser. With this design, the unit has better heat dissipation and refrigeration performance than a traditional design. This noi