Dehumidifier sizing for 500 sq ft

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

Above-grade Room

• Slightly–Moderately damp — 10 pints/day (22‑pint class)
• Very damp — 12 pints/day (22‑pint class)
• Wet — 14 pints/day (22–35‑pint class)

Basement

• Slightly–Moderately damp — 12 pints/day (22–35‑pint class)
• Very damp — 14 pints/day (22–35‑pint class)
• Wet — 16 pints/day (35‑pint class)

Crawl

• Slightly–Moderately damp — 12 pints/day (22–35‑pint class)
• Very damp — 16 pints/day (35‑pint class)
• Wet — 22 pints/day (35–50‑pint class)