How do I turn the All-Weather 120V heat pump ON? December 03, 2024 17:07 Updated Press the power button on the User Interface to power the unit ON. Related articles What do I do the first time I turn on the All-Weather 120V heat pump? What is Heat & Cool Mode? How do I turn the All-Weather 120V heat pump unit OFF? How do I find my All-Weather 120V heat pump's serial number? How often should I clean the All-Weather 120V heat pump's air filter?