What dehumidifier means
A dehumidifier pulls moisture out of the air. Restoration crews use large refrigerant or desiccant units; crawl spaces and basements get smaller permanent ones.
Also called LGR dehumidifier.
Where it matters on a restoration job
Air movers put water into the air and the dehumidifier takes it out; without enough dehumidification, drying stalls. Size to the room volume and conditions, and log the readings.
The numbers, with sources
- EPA advises keeping indoor humidity below 60 percent, ideally between 30 and 50 percent. (EPA)
What it costs
The water damage restoration cost guide has the typical job at $3,650 and the usual range at $1,300 to $6,000. The guide shows its sources and what moves the price. The water damage restoration cost calculator prices a job line by line.
Work it out
- Free calculator: Water damage restoration cost calculator
- Cost guide: Water damage restoration cost
- Tools, templates and guides: Free restoration resources
Sources: EPA, A brief guide to mold, moisture and your home. Checked October 9, 2026.