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? How do I control the All-Weather 120V heat pump? How is the All-Weather 120V heat pump controlled? What are fan speeds? How do I turn the All-Weather 120V heat pump unit OFF?