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How much water should dehumidifiers collect?

There are a number of factors that contribute to how much water your dehumidifier collects. Many are out of your control like the temperature, but some like choosing the right sized model and emptying it when needed can help you get the most out of your machine.

The first factor is the temperature.
Lower temperatures result in less water collected by your dehumidifier.
The humidity level of your home also plays a big role in how much water a dehumidifier collects.
In more humid environments, your dehumidifier can collect more water than it would in drier environments and it’s a question if it can stop condensation (read more about it).


The size of the area that needs to be dehumidified affects how much water a dehumidifier collects.
There are several factors that influence how much water a dehumidifier collects including room temperature and humidity, as well as the size of the space it’s used in.

It’s important to emphasize that a dehumidifier must be able to remove moisture from the air in your space.
For a home, the amount of moisture a dehumidifier can remove depends on the size of the room you’re trying to dehumidify.

Dehumidifiers are rated by how many pints of water they can collect from the air every 24 hours.
If you want to know how much your dehumidifier should collect, you need to measure how much water is in the air when your dehumidifier runs.

You can buy a hygrometer for about $10 that will help you measure the air’s humidity and can easily figure out how much water should be collected by your dehumidifier.


Dehumidifiers are generally used in places where there is unwanted moisture and high humidity.
The amount of water a dehumidifier collects varies, depending on the climate and the humidity of your home.


Factors that affect how much water a dehumidifier can collect

1. The size of your dehumidifier
2. The relative humidity of your home
3. How often you run your dehumidifier
4. The temperature inside your home
5. The type of dehumidifier you use
There’s not a one-size-fits-all answer to how much water a dehumidifier should collect.

The amount of water that a dehumidifier can collect in a day will depend on the relative humidity and ambient temperature.

For every 20 points that the relative humidity drops, the dehumidifier will collect half as much water per day.
Generally, dehumidifiers have no problem with high humidity and can operate well at or above 90% RH.
If you need to dehumidify a high humidity space, it is best to do this gradually over time.

How much dehumidifier water can collect?

“In the average home, it’s perfectly normal for a dehumidifier to collect anywhere from 4-6 pints of water from the air daily. That’s according to Home Guides, which adds that this number may vary depending on factors like house size, amount of occupancy and even lifestyle (if there’s a smoker or pets in the house).”

When looking at a dehumidifier’s capacity, it’s important to realize that the pint capacity offered by manufacturers is not always accurate.

Knowing how much water should be collected by a dehumidifier can help you determine whether your machine is working properly.

Why is my dehumidifier collecting so much water?

To determine how much water your dehumidifier should collect, you have to first know the humidity level in your home.

The average dehumidifier is built to collect between 25 and 50 pints of water per day. (check out our Midea 50 pint dehumidifier review)

If your dehumidifier is collecting too little, it may be working better than it needs to, but if your dehumidifier collects more than 50 pints of water in 24 hours, it’s collecting too much.
Dehumidifiers are a great way to keep good air quality in your home.

Tips and tricks you need to know about water collection

Warm air can hold more water. A dehumidifier draws moisture out of the air in your home.
Your home is not getting enough fresh air or temperature controlled outside air.


There is negative pressure in your basement or crawlspace. Check out how to use a dehumidifier in basement.


You have a leak in your home somewhere and that is adding moisture to the air.
You should be aware of what is adding moisture to your home, it may be time to fix a leak or adjust your dehumidifier settings.

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