Flux HVAC: Tech Calculator
Superheat, Duct & PT Chart
Free · Designed for iPad. Not verified for macOS.
The essential toolkit for HVAC pros. Calculate Superheat, Subcooling, Duct Sizing, Airflow & System Capacity instantly. Works 100% Offline.
STOP GUESSING. START MEASURING.
Flux HVAC is the modern, professional toolkit designed for the 2025 technician. We combined the essential tools into one lightning-fast app, helping you diagnose issues faster, charge systems accurately, and validate your work with confidence.
Whether you are on a scorching roof or in a crawl space with no signal, Flux HVAC works 100% offline.
KEY FEATURES:
1. PRECISION CHARGING
- Superheat Calculator: Accurate targets for non-TXV (fixed orifice/piston) systems.
- Subcooling Calculator: Precise liquid line verification for TXV systems.
- Visual Indicators: Clear color-coded sliders tell you exactly when your charge is optimized.
- Includes pre-loaded data for standard refrigerants (R-410A, R-22, etc.).
2. VISUAL DUCTULATOR (Duct Sizing)
- Forget the cardboard wheel. Calculate round and rectangular duct sizes in seconds.
- Interactive Visualizer: See the duct shape change as you adjust dimensions.
- Velocity Alerts: Automatic warnings for high FPM to prevent noisy systems.
3. SYSTEM PERFORMANCE (Capacity Check)
- Prove you fixed it. Enter Return and Supply air temps to calculate actual BTUs and Tons.
- Verify Delta T, Enthalpy change, and Sensible vs. Latent cooling capacity.
- The ultimate tool for "Verify & Bill."
4. PSYCHROMETRICS
- Instantly calculate Relative Humidity (RH%), Dew Point, and Enthalpy.
- Quickly diagnose humidity issues based on dry bulb and wet bulb readings.
5. CAPACITOR TEST (Under Load)
- Test capacitors without disconnecting wires.
- Input Volts and Amps to identify weak or failed capacitors before they damage the compressor.
WHY CHOOSE FLUX HVAC?
- Built for Speed: Large sliders and buttons designed for gloved hands.
- Offline First: No internet required for calculations.
- Visual Feedback: High-contrast interface designed for outdoor visibility.
Download Flux HVAC today and carry a master technician's toolkit in your pocket.
The developer, 华 陆, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 华 陆
- Size
- 39.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2025 milyo.tech