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Best apps like Duct Sizer
15+ similar apps compared and reviewed
4.5 avg rating
3 free apps
Updated July 2026
Duct Sizer is great, but it's not the only option. Explore 15+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to Duct Sizer
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Ductulate HD
by Steven Ramsay
$7.99
This app helps HVAC engineers quickly calculate duct size, air volume, pressure loss, and velocity. It supports both imperial and metric units and offers features like scroll lock and customizable themes.
Calculate duct size, air volume, pressure loss, velocitySupports imperial and metric unitsScroll Lock for accidental touch prevention
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PuriFi Install
Purifi Labs
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This app streamlines the installation and setup of air and surface purification systems. It allows for quick device pairing and configuration of system settings, including indoor air quality levels by zone.
Fast and efficient installationDevice pairingSystem configuration
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Air Flow Conversion Calculator
Air Velocity & Airflow Volume
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Easily calculate air velocity and airflow volume for various duct types. Input dimensions and units, and get instant results for HVAC and ventilation applications.
Calculate air velocity and airflow volumeSupport for circular and rectangular ductsMultiple unit options for velocity, volume, and dimensions
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Duct Size Calculator - HVAC
A tool for HVAC engineers
$5.99
This tool assists HVAC professionals in quickly calculating duct size, airflow, pressure drop, and velocity. It supports imperial units and offers manual input or slider controls for precise adjustments.
Calculate airflow, duct size, pressure drop, and velocitySize by airflow or duct dimensionsConvert between duct length, pressure drop, and friction
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Duct Calculator Elite
HVAC Ductulator & Duct Sizing
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This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.
Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode
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HVAC Duct Size Calculator
by Alan Cave
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This utility app assists HVAC design professionals in calculating duct sizes. It goes beyond basic calculations to provide a list of suitable duct sizes based on design criteria, offering an intuitive interface for precise adjustments.
Duct size calculationVelocity, friction, and volume calculationsList of even-sized ducts
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HVAC Duct Sizer
HVAC duct sizing and more...
$5.99
This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.
Duct sizing by airflowDuct sizing by dimensionsRange of duct sizes calculation
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free with in-app purchases