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Why don’t refrigerators have an exhaust vent?
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this post was submitted on 12 Dec 2023
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shouldn’t the refrigerator be sealed so external heat doesn’t affect it? Maybe im misinformed on how that works
It's just a heat pump. Essentially, and without going into how, heat is pumped out of the insulated box of the refrigerator and dumped into the space outside that box i.e. your kitchen. The house's air conditioner does essentially the same thing on a larger scale, pumping heat outside your house. Heat pumps can work in reverse too for warming your house. The OP is concerned that waste heat from a refrigerator needs to be handled by the house AC and feels that it might be more efficient to pump that heat directly outside the house.
The question was not about the heat of the kitchen affecting the fridge. While keeping its inside cool, the fridge produces some heat that it has to dump somewhere. Standard kitchen fridges just dump this heat into the kitchen. OP proposed connecting the fridge to the outside of the house to dump the heat there.