TAB Toolbox
DownloadApp details
- Version
- 1.0
- Updated
- 23.09.2026
- Category
- Tools
- Compatibility
- Android
- Package name
com.precisionairdistribution.tabtoolbox- Source
- Official Google Play page
TAB Toolbox is a practical calculator app designed specifically for professionals in Testing, Adjusting, and Balancing (TAB) within the HVAC industry. This Android application provides technicians with immediate access to essential calculations frequently used on job sites, including air volume, duct pressure points, duct sizing, heat transfer, mixing temperatures, fan laws, electrical calculations, hydraulics, pumps, boilers, psychrometrics, unit conversions, and reference formulas. The app features a user-friendly interface that simplifies complex computations without the need for external devices.
Key features include air volume calculators for CFM and FPM, static pressure, and air changes. The program supports measurement instruments for round, rectangular, and flat oval ducts, as well as the Log-Tchebysheff method. It includes a Ductulator-style calculator for selecting duct sizes, determining static pressure, and calculating pressure losses.
For heat transfer tasks, tools are available for both air-side and water-side applications. Useful calculators for fan laws and pump laws are included, along with instruments for electrical calculations and hydraulics. Special attention is given to the psychrometric calculator for air state, allowing for altitude adjustments above sea level.
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