A:Answer I don't think a UPS will help for a GFCI tripping. There's something on the circuit that the GFCI is powering that's causing the trip. Usually it's moisture getting into/onto the plug, or it could be moisture getting in the contacts somewhere in the freezer. I'm guessing your freezer is in the garage, or on a back porch - both areas can see enough humidity in the air to trip the GFCI. The UPS will filter (clean) the power going to the freezer, but I don't think it will filter any feedback coming from the freezer to the GFCI. My suggestion is - first, try to find the source of the moisture (could even be insects). If it all seems to be dry, I would replace the GFCI with a normal (non-GFCI) receptacle.