I replaced my Dometic refrigerator with a residential style and I am wondering if I should block of the side vent that is in the exterior wall. The roof vent should allow any heat to escape.
It all depends on where the condenser is, and how it is cooled. Coils on the back- I would keep them both partially open (not much, but not sealed)- condenser cooled by fan and vented at bottom- seal them up. Condenser in sides- doesn't matter- it won't work well any way.
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