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Free dehumidifier sizing calculator, humidity tools and Texas indoor air quality resources
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Free Dehumidifier Capacity Calculator

Dehumidifier Size Calculator

Estimate dehumidifier capacity in pints per day using the size of the space, current humidity or dampness, moisture sources and Texas climate conditions.

Calculate Dehumidifier Size
Dehumidifier Pints Per Day

Match moisture-removal capacity to the space.

Dehumidifier capacity is commonly expressed in pints of moisture removed per 24 hours. If persistent humidity is affecting the entire house, review whole-home dehumidifier systems and our broader indoor air quality guide .

Estimate Dehumidifier Capacity

Enter the area and moisture conditions to generate a practical capacity starting point.

Enter approximate square footage served by the dehumidifier.
Choose the condition that best describes the space without dehumidification.
Occupancy is used only as a modest planning adjustment.
Estimated Capacity Starting Point - -

Dehumidifier ratings describe moisture-removal capacity under standardized test conditions. Actual moisture removal can vary with temperature, humidity, air leakage, moisture sources, drainage, equipment placement and runtime.

- Capacity Class
Area -
Moisture Condition -
Capacity Basis -
Planning Type -

How should you use this result?

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Moisture-source warning: a dehumidifier should not be used as a substitute for fixing roof leaks, plumbing leaks, drainage problems, wet building materials or uncontrolled water intrusion. Address the moisture source whenever possible.

Dealing with persistent indoor humidity?

Request HVAC help below if you want to provide your Texas location and details about the home, HVAC system and moisture problem.