Tom, with the two fans moving air up the chimmney and out the top we have been able to keep our Dometic under 40 degrees when it was 104 outside, so I would say we have an exceptionally excellent operating absorbsion refrigerator! Now, in our prior motorhome (class c) the Dometic operated more to spec....if it was over 100 it would get into the upper 40's, sometimes into the lower 50's. On that one I installed a couple of solar fans at the top of the chimney to pull the air up and out, and they helped lower the temp on hot days by 6-7 degrees.
One thing Elaine does if we are starting up the fridge on a hot day is to put a frozen gallon jug of water in the fridge part. Speeds up the cooling process significantly.
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