How To Drain Toshiba Portable Air Conditioner?

Toshiba air conditioner has the feature of providing powerful cooling and dehumidification. They require no permanent installation and can be moved from one place to another with the help of caster wheels.

The cooling system can be set at different preferences and has a multiple fan speed which is user friendly. They can work quietly as their noise level ranges from 45 to 55 decibels depending on the model.

The cleaning of the Toshiba portable air conditioner is essential as it helps in maintaining the air conditioner and is helpful in the long run.

To Drain Toshiba’s Portable air conditioner, you need to follow the following steps.

Steps to Drain Toshiba’s Portable Air Conditioner

Step 1: Check if the water tank is full with the help of an indicator light which helps to indicate the overflow of the water tank and when it needs to be drained. Unplug the unit to avoid any accidents.

Step 2: Find the drain plug of the air conditioner. Usually, the drain plug is at the back of the unit or in the middle of it. Some models have two drain plugs, upper and lower plugs. You need to drain both drain plugs.

Step 3: Put a tray or bucket under the drain port to collect the water.

Remove the cover of the drain plug. As the lower plug does not have more room under it to place a bucket so you will put a tray under it and remove its cap first. Move the cap anti-clockwise then pull the plug out of it. Drain the water properly from the water tank.

Step 4: Once the water is drained completely, close the drain port with the can again. Put a bucket under the upper drain plug and remove the cap. Pull out the plug and drain the water into the bucket. When the water tank is dried up, close it with the cover.

Step 5: You can also move the portable air conditioner to the outside instead of putting a bucket or tray under it. Bring the air conditioner to a place where you can drain the water easily. Water should not be slipped after the draining process.

Step 6: Once the draining process is done, bring the air conditioner back to its place, plug the unit back, and turn it on.

Draining Water with Drain Hose

If you do not wish to drain water daily, the hose can be used to collect the water and drain it automatically. The drain hose is connected to the place where there is a drain port and it drains water outdoors as its other end is outside the door or house.

In dry weather, drain hoses are not needed as there is no more water to drain. But, if the humidity level is high in the area, it helps you to avoid the time consumption of draining the water regularly. The hose is placed downhill the length of the house.

Safety Precautions in Cleaning your Portable Air Conditioner

how to clean toshiba portable air conditioner filter

  • Do not forget to unplug the unit before cleaning.
  • Do not use harsh chemicals to wash the air conditioner.
  • Do not rinse under running water to avoid any electrical danger.
  • Do not use the air conditioner without consulting if it is damaged during cleaning.

How Often Should Water be Drained from the Toshiba Air Conditioner?

Water should be drained whenever the water tank reaches its full capacity. In some humid areas, water is filled quickly in the water tank. It needs to be drained after a few hours. The dry areas have less humidity and water is drained after several days, sometimes months.

Maintenance Tips

  • Make sure to place the air conditioner in a dark and cool place.
  • Clean air filters every two weeks for better performance.
  • Empty the water tray immediately after the P1 error occurs.
  • If you have pets at home, clean the grill from time to time so that it should avoid blockage from animal hair.


Toshiba portable air conditioners are one of the best choices for customers. It is highly rated and people enjoy its cooling during summertime.

Draining water from the Toshiba air conditioner is necessary as it helps in maintaining the operating system of the unit. The water is drained through drain ports and sometimes, in moist areas drain hose can also be used to drain water.

Maintaining an air conditioner requires draining the water regularly depending on the weather condition.

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