Dehumidifier sizing for 1,500 sq ft

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

Above-grade Room

• Slightly–Moderately damp — 18 pints/day (35‑pint class)
• Very damp — 22 pints/day (35‑pint class)
• Wet — 26 pints/day (35–50‑pint class)

Basement

• Slightly–Moderately damp — 22 pints/day (35‑pint class)
• Very damp — 26 pints/day (35–50‑pint class)
• Wet — 35 pints/day (50‑pint class)

Crawl

• Slightly–Moderately damp — 22 pints/day (35‑pint class)
• Very damp — 28 pints/day (35–50‑pint class)
• Wet — 40 pints/day (50–70‑pint class)