Duct Size Calculator
Calculate duct width, height, and airflow velocity. Export only results as PDF.
Duct Size Calculator for Efficient HVAC Design
Proper duct sizing is essential for HVAC systems to ensure efficient airflow, maintain comfort, and reduce energy consumption. The professional duct size calculator helps engineers, contractors, and homeowners determine the optimal duct dimensions based on required airflow and velocity constraints.
Importance of Accurate Duct Sizing
Incorrect duct sizing can lead to high noise levels, energy inefficiency, and uneven air distribution. Oversized ducts increase installation cost and space requirements, while undersized ducts restrict airflow and strain the system. Using a reliable calculator ensures precise sizing for both rectangular and circular ducts.
How the Duct Calculator Works
Users input the required airflow, maximum allowable duct velocity, and select the duct shape. The calculator computes duct width and height for rectangular ducts or diameter for circular ducts. Results are displayed instantly with unit conversions for metric and imperial systems.
Benefits for HVAC Professionals
By providing fast and accurate duct dimensions, the calculator supports system design, planning, and material estimation. It allows engineers to optimize airflow distribution, improve energy efficiency, and minimize operational noise.
Export Results as PDF
After calculation, users can export only the results as a PDF file. This ensures clean documentation for reports, proposals, and client records without including the input forms or other page content.
Unit Flexibility and Usability
With support for metric and imperial units, the calculator accommodates international projects and provides results in meters or feet and velocity in m/s or fpm. The intuitive interface allows quick estimation without complex manual calculations.
Conclusion
The professional duct size calculator simplifies HVAC design by providing accurate duct dimensions and airflow calculations. Its fast results, unit flexibility, and PDF export capability make it an essential tool for engineers, contractors, and building professionals seeking efficient and cost-effective air distribution solutions.