This is our biggest update yet. We rebuilt HVAC AI to be your go-to app on every job. NEW: Interactive HVAC simulator See the full refrigeration cycle in real time: compressor, condenser, evaporator, expansion valve, solenoid and filter drier. Change the refrigerant, adjust the temperature, and tap any component to pause or reactivate it and watch the system respond. Perfect for understanding faults, alerts and real conditions without risking equipment. NEW: Learning paths and certification Learn and get certified in HVAC systems with a gamified path by levels, with streaks, achievements and rewards. Progress through HVAC Essentials, Commercial Refrigeration and VRF, and earn your completion certificate with a verifiable ID and QR code. NEW: Smart equipment scanner Identify real faults from a photo of your unit. Detect equipment, save your findings and build your technical collection. Every detected unit adds to your progress and is saved with its status, brand, serial and catalog number. NEW: AI tools Universal scanner and universal calculator in one place, plus system diagnostics, refrigerant charging, and airflow and balancing. Brand support: Daikin, Carrier, Trane, York, Lennox, Mitsubishi Electric and more. NEW: Refrigerant slider Analyze refrigerants, pressure and temperature in seconds, with safety group, GWP, critical temp and more. Scan the unit's nameplate and get the values instantly. NEW: PRO quote builder and PDF reports Document every HVAC job and create professional PDFs in seconds: Quick Service, PRO Quote, Express Diagnosis, Corrective Report and Premium Maintenance. With client details, equipment, photo evidence, signature and folio number. NEW: Scheduling and management Schedule your technical visits, maintenance, quotes, follow-ups and reminders. Log every job and keep your full service history in one place so nothing slips through the cracks. Also: a faster diagnosis engine, an expanded brand fault-code database and stability improvements. Thanks for using HVAC AI. Tell us what we should build next!