# Flux HVAC: Tech Calculator

> Superheat, Duct & PT Chart

Canonical page: [https://chrome-stats.com/d/id6756405485](https://chrome-stats.com/d/id6756405485)

## Overview

- **ID:** `id6756405485`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 华 陆
- **Category:** Utilities
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.0.0
- **Last updated:** 2025-12-17
- **First published:** 2025-12-17
- **Size:** 38 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/flux-hvac-tech-calculator/id6756405485)
- **Website:** [https://www.milyo.tech](https://www.milyo.tech/)
- **Privacy policy:** [https://milyo.tech/fluxhvac/static/en/privacyPolicy.html](https://milyo.tech/fluxhvac/static/en/privacyPolicy.html)

## Description

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.

## Rankings

- #661,643 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6756405485)