Why dehumidifiers matter in Texas
Garland summers are humid, and humid air cannot absorb more water. A house with wet walls and 80 percent humidity will not dry with fans alone. Dehumidifiers remove moisture from the air so evaporation continues.
Humidity targets
| Relative humidity | What it means |
|---|---|
| 30 to 50 percent | Comfortable and low risk for mold |
| 50 to 60 percent | Watch zone, especially in summer |
| Above 60 percent for days | Favors mold growth |
| Above 80 percent | Water damage conditions, wet materials will not dry |
Types of dehumidifiers
- Conventional refrigerant: common in homes, good in warm conditions.
- LGR (low grain refrigerant): commercial units that pull more moisture in damp conditions.
- Desiccant: use a drying agent and work in cold or very dry conditions.
- Whole-house systems: installed with your HVAC to hold humidity.
When to run them
- After flooding or a burst pipe, alongside structural drying.
- In crawlspaces and below-grade rooms that stay damp.
- After the main dry-out, to keep humidity down while materials finish drying.
- During renovation to protect new materials.
Dehumidifiers do not replace extraction or fixing a leak. Empty and clean portable units, and use a hose to a drain if possible. If humidity stays high with no obvious source, ask for a water damage inspection, and to prevent mold, see mold prevention services. For the overall process, see water damage restoration in Garland, TX.
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Frequently asked questions
What humidity should my house be?
Between 30 and 50 percent is a common target. Above 60 percent for long periods encourages mold.
How long do dehumidifiers run after water damage?
Typically for the length of the drying job, often several days. Readings guide when they come out.
Is a store-bought dehumidifier enough?
It can help with minor dampness, but a wet house needs commercial equipment sized to the moisture load.
Will dehumidification fix a crawlspace moisture problem?
It can help control humidity, but the source, such as leaks or drainage, needs to be fixed.