Fan Selection Software

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Free fan selection tools

Free Fan Selection Tools

Computair tools to make your life easier!

Free tools for fan selection

If you need some help with fan related calculations and data processing, please browse our free tools below to see if they can help you. All free of charge and no advertisements from Computair.

Online air density calculator used for fan selection calculations

Air Density Calculator

If you need to know the density of air at a given temperature, altitude and relative humidity why not use our quick and easy calculator

Molar mass calculator results showing molecular weight of a compound

Molar Mass Calculator

Do you need to know the molar mass of a gas mix perhaps to calculate its density using the ideal gas equation. Our molar mass calculator can help!

Psychrometric calculator showing dry-bulb temperature, wet-bulb temperature, and relative humidity inputs

Psychrometric Calculator

Analyse air properties including humidity and enthalpy using our psychrometric calculator.