IICRC S500 Standard Restoration Calculator
Dehumidifier & Air Mover Equipment Sizing Calculator
Quickly calculate required AHAM pints per day, commercial dehumidifier counts, and air mover quantities for water loss categories compliant with IICRC S500 guidelines.
1. Room Dimensions & Water Loss Profile
Floor Area: 500 sq ftTotal Volume: 4,000 cu ftPerimeter: 90 linear ft
Recommended EquipmentIICRC Divisor: 1/50
Daily Moisture Removal
80 AHAM PPD
Dehumidifiers Required
1 unit(s) @ 110 PPD
Centrifugal Air Movers
8 fans (1 per 14 linear ft)
Sizing adheres to IICRC S500 standard psychrometric calculation formula. Always verify jobsite temperature and grains per pound (GPP) moisture readings before equipment pull.
Emergency Intake Reality
Who picks up when this $8,500 flood call comes in at 2:00 AM?
Equipment doesn’t bill if you miss the midnight call. When panicked homeowners dial after hours, 80% hang up if greeted by voicemail or an offshore phone operator with no IICRC knowledge.
Answers Ring 1 — zero wait, zero hold time
Runs IICRC triage (source, power safety, room count)
Instantly wakes up your on-call technician with audio