Optimize your HVAC systems with our free online duct calculation tools—from duct sizing and airflow velocity to pressure drop and fan power. Whether you’re an engineer, contractor, or DIY enthusiast, CalcuSmart provides fast, accurate solutions to design efficient ventilation systems effortlessly.
Explore NowCreating an efficient HVAC system starts with precise duct calculations, and CalcuSmart’s free tools make it simple. Our calculators help you determine duct sizes, measure airflow velocity, estimate pressure drops, and calculate fan power requirements—all without complicated software or manual math. Designed for HVAC professionals, building designers, and homeowners, these tools deliver instant, reliable results to ensure optimal ventilation and energy efficiency. Explore our duct calculation suite and streamline your projects today!
From sizing ducts to powering fans, our free HVAC tools provide the accuracy and simplicity you need for effective system design. Each calculator is tailored to help you optimize airflow, reduce energy costs, and enhance ventilation performance without the hassle.
Determine optimal duct dimensions based on airflow, velocity, or friction requirements. Perfect for designing efficient HVAC systems.
Try Duct Size CalculatorCalculate the speed of air moving through ducts for efficient system design. Ensure proper ventilation with accurate results.
Try Airflow Velocity CalculatorEstimate pressure loss in ducts to ensure proper ventilation performance. Ideal for optimizing HVAC airflow.
Try Pressure Drop CalculatorCalculate the power needed for fans based on airflow and pressure requirements. Plan your HVAC fans with precision.
Try Fan Power CalculatorOur Duct Calculation Tools include the Duct Size Calculator for precise duct dimensions, Airflow Velocity Calculator for efficient air movement, Pressure Drop Calculator for maintaining ventilation performance, and Fan Power Calculator for accurate fan sizing. These free tools are essential for HVAC engineers, contractors, and anyone involved in designing or maintaining ventilation systems—offering dependable solutions to improve air quality and system efficiency.
Get instant calculations for duct sizes, airflow, and fan power with precision.
Access professional-grade HVAC tools at no cost—no subscriptions needed.
Simple interfaces make duct calculations easy for pros and beginners alike.
Join thousands of users who trust CalcuSmart’s free duct calculation tools to optimize HVAC performance. Calculate duct sizes, airflow velocity, pressure drops, and fan power with ease—start building efficient systems today!
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