Best Air Ducts Executive Apps

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.

Allday HVAC Calc

Pipe and Duct calculations

Free

This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

Thermaflex Duct Calculator

by Gastite Products LLC

Free

This utility app helps HVAC engineers quickly calculate the recommended Thermaflex duct size for installations. Input project volume and friction loss to determine the optimal duct size based on established industry standards.

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.

DuctCalc.Ca

Ductulator Duct Calculator

Free

This utility app calculates duct dimensions and air velocity using two methods: Equal Friction and Velocity. It supports both round and rectangular ducts, offering precise calculations for HVAC professionals. Offline functionality is available with a subscription.

Easy Duct

Easy Duct Calculator

Free

This app calculates air duct sizes for HVAC design. It solves for missing values like airflow or head loss, allowing users to set multiple limits simultaneously. Results are presented with buildable size steps and detailed engineering data, functioning fully offline.

Static Pressure & Duct Check

Calculator for TESP & 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.