Ventilation system design tools for airflow calculation, duct sizing, pressure drop analysis, and fan selection per SMACNA and ASHRAE standards.
10 calculators
Analyze fan performance curves, system resistance, and find operating points with VFD simulation
Design complete HVAC duct networks with automatic sizing, critical path analysis, and fan selection requirements
Size HVAC air ducts using equal friction or velocity methods per SMACNA and ASHRAE standards
Calculate pressure drop in air ducts and fittings
Calculate required outdoor air ventilation rates
Calculate ventilation requirements for indoor pools
Size heat recovery ventilation systems
Calculate exhaust flow for commercial kitchens
Design mechanical ventilation for parking garages
Calculate ventilation for emergency shelters