Free Fan Selection Tools
Computair tools to make your life easier!
Fan Selection Software
Powered By Computair
Free tools for fan selection software
If you need some help with fan related calculations and data processing, our free fan selection tools are designed to give engineers and HVAC professionals quick, reliable answers without the need for complex software or subscriptions. Each tool has been developed to be simple to use while maintaining the technical accuracy required for real-world applications. All our tools are free of charge and no advertisements from Computair. Explore the tools below to streamline your workflow and gain confidence in your fan and air movement 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 for fast, accurate and reliable results.
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 or to support more accurate process calculations? Our molar mass calculator can help quickly and reliably!
Psychrometric Calculator
Analyse air properties including dry bulb, wet bulb, relative humidity and enthalpy using our psychrometric calculator.