• Prologue : Wonder of Heat Pump
• Lesson1 : Heat Pump Transfers Heat
• Lesson2 : Very Baxic of Heat Pump
• Lesson3 : Let's Look into a Heat Pump
• Lesson4 : Heat Pumps Save Energy
• Epilogue : Message from Dr.IBAMOTO

• Column : Liquid ←→ Gas
• Column : Compression around us
• Column : Condensation around us
• Column : Expansion around us
• Column : Evaporation around us
• Column : What's going on inside the heat exchanger?
• Column : The reason why hot refrigerant remains liquid
• Column : If heat pump is not used