I've been thinking about this today: If the temperature of my refrigerator's coils is only 10°C above ambient, then is this enough to produce a noticeable chimney effect behind the fridge? If I left the coils exposed then there is a chance that drafts in the kitchen would go over them and carry the heat farther away.
I know that some fridges' coils get pretty hot (like the coils-under-floor units I saw in the US, which would blow very warm air over my toes), these would have a much more pronounced chimney effect.
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Originally Posted by AC_Hacker
Here's a photo of a 1930s monitor top, not mine, but the same type.
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Looks like the engineers from the 1930's were smarter than today. Same goes for the automotive engineers