Useful Calculators

SmartFlow Duct Calculator

Calculate optimal fabric duct sizing for your HVAC system

Get precise sizing recommendations for straight ducts, systems with fittings, and sound-sensitive applications.

Airflow Conversion Calculator

Convert LFM with duct geometry to CFM, m³/hr, L/s and more

Enter air velocity and duct size to see volumetric flow in multiple units.

System Pressure Calculator

Sum straight duct losses and fittings to total pressure (Pa)

Specify diameters, volume units and element resistances to get total Pa.

Thermal Comfort Tool

Compute PMV/PPD/SET based on environment and occupant parameters

Input temperatures, humidity, air speed, metabolic rate and clothing level.