HVAC Mastery vs HVAC Pro Suite

HVAC Mastery is the hands-on study companion for anyone learning the heating, ventilation, air conditioning and refrigeration trade, from first-year apprentices to experienced technicians getting certified. Made by a working HVAC service tech. EPA 608 CERTIFICATION PREP - 443 practice questions across all four sections: Core, Type I, Type II and Type III - Checked against current EPA rules (40 CFR Part 82, Subpart F) - Timed practice exams by section, with an explanation for every answer - A readiness score so you know when you're ready for the real test LEARN THE TRADE 4 learning tracks take you from fundamentals to certification: - HVAC Fundamentals: heat transfer, refrigeration cycle, system components, electrical basics - Core Systems: air conditioning, heat pumps, gas furnaces, air distribution, controls - Advanced Systems: commercial refrigeration, hydronic systems, IAQ, building automation - EPA 608 Certification: all four sections with full practice exams 68 bite-size lessons as swipe cards with real equipment drawings. SIM LAB: LIVE SIMULATORS Break a part, meter it, and solve the service call: - Refrigeration cycle: live pressures, superheat and subcooling on 5 systems, with real faults to diagnose - Motor wiring: condensing unit, furnace blower, ECM, three-phase and more, with a meter and clamp meter - Thermostat wiring: gas furnace + AC, package unit and heat pump, with live 24 V - Electrical diagram: 6 systems and 79 faults to find with a working meter FIELD TOOLS - P/T chart, superheat and subcooling, charge check - Ohm's law, wire sizing, motor amps, capacitors - Duct sizing, airflow, psychrometrics, line sets - Unit converter and a refrigerant guide including R-454B and R-32 STUDY FEATURES - 190+ flashcards and module quizzes - Bookmarks and personal notes on any lesson - Daily study reminders to keep your streak alive - Progress tracking with badges - Dark mode - English or Spanish: switch in Profile or in iPhone Settings - Made for iPhone Duo and iPad - Sign in to back up your progress and pick it up on another device No ads, no subscriptions. Just the knowledge you need to pass your exams and succeed in the field.

HVAC Pro Suite brings HVAC learning, reference tools, and project workflows together for technicians, engineers, designers, and students. EPA 608 EXAM PREP • Practice Core, Type I, Type II, and Type III topics with explanations. • Take timed practice exams and revisit missed questions in a short practice session. • Browse reference material and track performance over time. LEARNING STUDIO • Study HVAC fundamentals, psychrometrics, refrigeration, air distribution, hydronics, and controls. • Explore AHU, refrigeration-cycle, psychrometric, and chiller-plant simulations. • Try service scenarios, measurement practice, system-building exercises, and controls activities. • Use engineering calculators and save calculation snapshots to a custom project. 3D EXPLORER • Explore a three-story commercial building and identify HVAC components. • Filter by floor and system, view diagrams, and follow illustrative airflow and chilled-water paths. • Explore the learning hub, system-design wizard, and refrigerant reference. WORKFLOW AND PROJECTS • Follow the Skyline Tower engineering case study and browse its drawing gallery alongside additional book illustrations. • Create custom projects from templates, record equipment and notes, and track milestones. • Use editable inspection, startup, and commissioning checklists with notes and photos. • Save calculation assumptions and results, then share a text project report. Search lessons, refrigerants, components, and reference material from the app hub and save favorites. The app is for education and reference. Verify designs, calculations, safety practices, and current requirements with applicable standards, manufacturer instructions, and qualified professionals.