Flux HVAC vs UnitDown AI

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.

Commercial HVAC diagnostics, equipment memory, and field documentation in one place. UnitDown AI helps commercial HVAC technicians turn symptoms, measurements, alarms, and nameplate data into structured troubleshooting guidance—then carry that context into the next visit. DIAGNOSE WITH MORE CONTEXT Describe the problem in technician language. UnitDown AI organizes likely causes, first checks, meter and instrument checks, alternative faults, recommended actions, and risks to consider. SCAN EQUIPMENT NAMEPLATES Capture equipment data from a nameplate, review the extracted details, and save the unit for future service calls. KEEP EQUIPMENT HISTORY TOGETHER Build a service timeline with diagnostics, repairs, preventive maintenance, measurements, photos, parts, recommendations, and technician notes. RUN THE JOB FROM THE FIELD Create jobs, document progress, track required details, and keep customer sites and equipment organized from arrival through closeout. PREPARE BEFORE DISPATCH Use equipment history and van inventory to reduce forgotten parts and repeat trips. BUILT FOR COMMERCIAL HVAC Support for rooftop units, chillers, refrigeration, electrical faults, heating failures, airflow problems, economizers, compressors, and control systems. UnitDown AI provides informational decision support. Always follow lockout/tagout procedures, use proper PPE and approved instruments, verify conditions, and follow manufacturer service literature. Do not rely on UnitDown AI for emergency, life-safety, or final repair decisions. Some features require a UnitDown AI Pro auto-renewing subscription. Subscription terms and pricing are shown before purchase. Manage or cancel through your Apple ID subscription settings. Privacy Policy: https://unitdown.org/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/