Ductwise: HVAC Duct Calculator APK for Android

Ductwise: HVAC Duct Calculator is a specialized tool designed for HVAC professionals, providing accurate duct sizing and airflow calculations. This Android application facilitates real-time calculations using the equal-friction method for round, rectangular, and flat-oval ducts, allowing users to make informed decisions on-site. The app supports both Imperial and Metric units, with an intuitive interface that is optimized for outdoor conditions, ensuring usability even while wearing gloves. It operates fully offline, eliminating the need for accounts or ads, making it a reliable choice for HVAC technicians and students alike.

The app calculates airflow based on sensible load, tonnage, or air changes per hour, presenting the relevant equations and density values for transparency. Users can switch between unit systems with ease, enhancing workflow efficiency. Designed with job-site conditions in mind, Ductwise's high-contrast display and straightforward touch targets help maintain productivity in various lighting situations. However, it is important to note that the app assumes the operator has a foundational understanding of airflow principles, which may limit its usability for complete novices.