Yep, completely different types of refrigeration cycles even though they can both operate on 120 Volt electrical power. In one case electricity feeds an electric motor that powers a compressor, and in the other a lot more electricity is used to create heat.
Residential-type (compressor) use so much less electricity that the heat it generates is considered negligible and rejected to inside of RV. That saves putting more holes in side of RV. With absorption fridge (propane or electric) it uses so much heat that it would make the inside of RV too hot in summer, plus there’s the safety issue as well.
I hope I never own another absorption RV fridge. For my needs technology has made them obsolete. Plus they are heavier, smaller, and require holes in side of RV.
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