Is the Gradient AFCI compatible? January 14, 2025 16:05 Updated No, the All-Weather 120V heat pump is not compatible with AFCI circuits. Related articles What is the warranty? If I don't turn the All-Weather 120V heat pump off, how much power is it consuming? Can I recalibrate the temperature sensor? Can I order extra locks for the window? How loud is the All-Weather 120V heat pump during operation?