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Ventilation Calculator

Calculate ventilation requirements, fan sizes, and air changes for residential and commercial spaces.

Ventilation Calculator

Calculate ventilation requirements and system sizing

How to Use

  1. 1. Select the ventilation system type
  2. 2. Choose the room type
  3. 3. Select the building type
  4. 4. Enter room dimensions and occupancy
  5. 5. Click calculate to get detailed ventilation analysis

Features

  • •Multiple ventilation types with different efficiencies
  • •Various room types with specific ventilation requirements
  • •Different building types with infiltration factors
  • •Automatic fan sizing calculations
  • •Duct size recommendations
  • •Professional recommendations

Pro Tips

  • 💡Kitchen and bathroom require dedicated exhaust ventilation
  • 💡HRV/ERV systems provide energy-efficient ventilation
  • 💡Consider air changes per hour for different room types
  • 💡Proper ventilation improves indoor air quality