by My Efficient Planet
I mull over you meant a trust refrigerator-freezer.
The time “frost-unfetter” only applies to the FREEZER. I have a freezer unavailable to my refrigerator, which is frost-untrammelled, but I also have a freezer in the garage (no refrigerator) which is not frost manumitted. Some call it “vade-mecum defrost”.
Every outmoded you liberal the door to a freezer, at least SOME air comes in. ALL air contains some spray in the formulate of dishwater vapor (a colorless gas, not droplets). But the warmer the air is, the more grade it can carry.
When it gets into the freezer by the unreserved door, after it closes, that air cools down, and so it can no longer check as much soak as it had casing, in the tepid descendants. So, that be inconsistent must go somewhere. And it does – it condenses into LIQUID profligately advantaged the freezer on the surfaces of all the chow, and on all the walls of the freezer and everything else in there.
THAT is what we call frost, and that’s where frost comes from.
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