Historical Weather Data

Access historical weather data for any location worldwide. View temperature, precipitation, wind speed, and humidity with interactive charts.

Search Location

Convert between various airflow units (m³/s, L/s, m³/h).

Optimize smartflow duct sizing for your HVAC projects.

Calculate total system pressure drop including fittings.

Calculate required grille size based on airflow and target velocity.

Calculate energy savings and solar offset for HVAC projects.

Assess thermal comfort using PMV, PPD, and SET indices.