Dehumidifier sizing for 1,000 sq ft

Modeled from DOE/ENERGY STAR guidance; choose by space type and moisture.

Above-grade Room

• Slightly–Moderately damp — 14 pints/day (22–35‑pint class)
• Very damp — 17 pints/day (35‑pint class)
• Wet — 20 pints/day (35‑pint class)

Basement

• Slightly–Moderately damp — 18 pints/day (35‑pint class)
• Very damp — 22 pints/day (35‑pint class)
• Wet — 30 pints/day (50‑pint class)

Crawl

• Slightly–Moderately damp — 18 pints/day (35‑pint class)
• Very damp — 24 pints/day (35–50‑pint class)
• Wet — 32 pints/day (50‑pint class)