Course Content Chapters Status 1 Lesson 1: Introduction 2 Lesson 2: Weatherguard Top 3 Lesson 3: Why Staged Comfort 4 Lesson 4: Runtime is the Key to Comfort 5 Lesson 5: Hyperion Air Handler 6 Lesson 6: The Benefits of Spine Fin 7 Lesson 7: Comfort Controls 8 Lesson 8: High Performance Air Filtration 9 Lesson 9: It's All About Comfort