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 If I don't turn the All-Weather 120V heat pump off, how much power is it consuming? What is the warranty? Is the Gradient GFCI compatible? Can I order extra locks for the window? Why do I need a three-prong outlet?