HVAC Master Toolkit – Duct Cal
HVAC Master Toolkit – Duct Cal Summary
HVAC Master Toolkit – Duct Cal is a mobile Android app in Tools by HVAC Master toolkit. Released in Apr 2026 (1 month ago). It has about 149+ installs Based on AppGoblin estimates, it reaches roughly 67 monthly active users . Store metadata: updated Apr 15, 2026.
Recent activity: 49 installs this week (149 over 4 weeks) showing above average growth View trends →
Store info: Last updated on Google Play on Apr 15, 2026 .
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App Description
HVAC duct calculator for fast, accurate airflow & duct sizing
HVAC Master Toolkit – Duct Calculator is a professional tool designed for HVAC engineers, site engineers, and MEP professionals to perform fast and accurate duct sizing calculations.
This app helps you calculate rectangular duct sizes based on airflow (CFM) and velocity, making your work easier and more efficient on-site or in the office.
🔧 Key Features:
✔ Accurate duct sizing calculations
✔ Simple and user-friendly interface
✔ Works completely offline
✔ Fast performance for quick results
✔ Designed for HVAC & MEP professionals
📊 Why Use This App?
Saves time in manual calculations
Reduces chances of errors
Ideal for site engineers and consultants
No internet required
📌 Use Cases:
HVAC duct design
Airflow (CFM) calculations
Ventilation planning
MEP project work
This app is built with simplicity and performance in mind, making it a reliable tool for daily engineering tasks.