Best Free Ductulator Apps

Ductulator - Duct Calculator

HVAC Airflow Sizing & Design

Free

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

WinFab - Sheet Metal Ductulator

by pasquale dipaola

$3.99

This app calculates the correct dimensions for sheet metal ductwork. It simplifies the process of determining airflow and pressure drop for HVAC systems. Essential for professionals in the sheet metal and HVAC industries.

Digiduct

Duct-Sizing App

Free

This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.

SuperCool Slide Rule HVAC

by Designstein, llc

Free

This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.

Static Pressure & Duct Check

TESP, duct capacity, Manual D

Free

This utility app provides HVAC professionals with tools for duct sizing and field checks based on ACCA Manual D methods. It offers quick calculations for duct size, friction rate, velocity, and static pressure, all while prioritizing user privacy and offline functionality.

Greenheck Toolbox

by Greenheck

Free

This utility app provides two essential tools for HVAC professionals: a Fan Law Calculator to adjust fan performance based on changes in speed, and a Ductulator to quickly size ductwork. Easily calculate and determine duct dimensions and airflow with various input parameters.

DuctPro: Duct Size Calculator

Duct Sizer & Static Pressure

Free

Calculate ductwork sizes instantly for various shapes including round, rectangular, flex, and flat-oval. Track static pressure per job and generate client-ready PDF schedules. Works offline and supports both imperial and metric units.

Air Duct Size Calculator

Pressure Drop & Friction Rate

Free

This tool helps HVAC professionals quickly size ducts, check airflow, and perform pressure calculations. It offers detailed engineering values and supports both imperial and metric units for practical on-site work.

DuctSizer Pro

by LEONARDO NOVOA

Free

This tool quickly calculates HVAC duct sizes based on airflow and friction loss. It supports various duct shapes and provides key airflow values for field use.