Do I need Wi-Fi to use the Gradient app? September 16, 2026 18:31 Updated Yes, WiFi is required to use the Gradient app to connect to the unit. Related articles Do I have to use Bluetooth when connecting my Gradient unit? Should I connect the All-Weather 120V heat pump to WiFi after installation? Is Wi-Fi connectivity available for the All-Weather 120V™? Where do I download the app? How do I forget Wi-Fi?