AC Service Tech LLC vs HVAC Mastery

Access all of your HVAC/R education needs in one place with the AC Service Tech App! For HVAC/R techs and students of all levels, the AC Service Tech App offers an easy-access pathway to all of our Online Academy, Calculators, Training Videos, Articles, Podcast Episodes, and More. Find all you need to expand your knowledge of the trade right here—anytime, anywhere. Through our app you can: AC Service Tech HVAC Academy - Access our online course platform where you can take courses and earn certificates on topics including our 45 hour 2nd Edition Refrigerant Charging & Service Procedures for Air Conditioning Book Course, unit installation, IAQ, airflow, metering devices, and much more. Our courses include engaging videos with informative content from some of the top HVAC instructors in the industry. Downloadable certificates are available at the end of each course, displaying the hours of training you received. Our app makes it easy to access your account on all your devices and stay logged in so you can spend more time learning. Watch Videos - The AC Service Tech YouTube channel has produced over 750 educational HVAC/R training videos that can be easily accessed through our app. From step-by-step installations, procedural videos, troubleshooting, and much more, these training videos cover a wide variety of topics to help you improve in all areas of your HVAC/R career. Use Calculators - Quickly calculate target superheat, refrigerant weight, CFM, recovery bottle max weight, and nitrogen pressure testing through our calculator tools. Simply fill in the information fields for easy and accurate calculations. Access All of Our Educational Content - Bookstore, Articles, Podcast Episodes, Quizzes, and more are all easy to navigate and are available in one place. Direct Link to our Social Media channels for all the latest updates.

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 brushing up for certification. WHAT YOU'LL LEARN 4 structured learning tracks take you from fundamentals to EPA 608 certification prep: - 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 (Core, Type I, Type II, Type III) with full practice exams INTERACTIVE DIAGRAMS & TOOLS Go beyond reading — tap, test, and troubleshoot: - Electrical circuit diagrams with interactive disconnect, contactor, and transformer controls - Motor wiring diagrams for PSC, CSR, split-phase, ECM, and 3-phase motors with on-diagram meter probes - Thermostat wiring simulator for heat pump, gas furnace, A/C, and electric heat systems - Refrigerant cycle simulator with fault injection — see what happens when components fail - Built-in calculators: superheat/subcooling, Ohm's law, wire sizing, duct sizing, refrigerant charge HANDS-ON CHALLENGES Test your skills with real-world scenarios: - Wiring challenges: wire a system from scratch and check your work - Troubleshooting challenges: diagnose faults using meter readings step by step - Service call scenarios based on actual field situations from HVAC textbooks - Timed quizzes for every module with score tracking FIELD REFERENCE TOOLS Quick-access references you'll use on the job: - Refrigerant guide with P/T charts for 20+ refrigerants including R-290 and R-454B - Winding resistance tables, megohm test thresholds, capacitor testing procedures - ECM error codes, amp draw diagnostics, motor rotation checks - Compressor diagnostic reference with wiring and electrical nomenclature STUDY FEATURES - 190+ flashcards covering every major topic - Bookmarks and personal notes on any lesson - Dark mode for late-night study sessions - Daily study reminders to keep your streak alive - Progress tracking with badges and completion percentages - Cloud sync — pick up where you left off on any device COMPLETELY FREE HVAC Mastery is 100% free. All lessons, quizzes, flashcards, interactive diagrams, and field reference tools are available at no cost. Create an account to save your progress across devices. Privacy Policy: https://hvacmastery-app.vercel.app/privacy Terms of Service: https://hvacmastery-app.vercel.app/terms Built by HVAC professionals for HVAC professionals. No ads — just the knowledge you need to pass your exams and succeed in the field.