Excellent HVAC learning guide for beginners. The 2025 edition delivers simple, practical explanations designed to help new techs learn fast and build real skills. Clean interior, complete, and ready for study. Perfect for students, trainees, or anyone getting into HVAC and wanting a strong foundation without paying full price. Please review the photos before purchasing — I want you to be fully satisfied. If you’re happy with your order, your positive feedback is greatly appreciated and I’ll gladly leave you feedback in return. Thanks so much for checking out my listing.
eBay