No you can not drink water from your dehumidifier. If the water from a dehumidifier is drinkable, it depends on how clean your tank is and how long it has been sitting. The water collected by the dehumidifier is pure, like distilled water. Consider how a dehumidifier works for a moment.
Consider a refrigerator with its cooling coils exposed to the elements. Airborne water vapour condenses on the coils and drips into a tank. Because contaminants and minerals stay behind as the water evaporated into the air. The condensed water is clean. You might collect the dripping water and consume it if your coils are clean.
If the water sits in the tank for too long, it can become a breeding ground for germs and molds. This makes it unsafe for drinking. Cleaning the tank on a regular basis helps to stop this. I wouldn’t recommend it unless you plan to drink the water that has dripped into a recently cleaned tank.
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