Any RV that has a residential fridge also almost always has an inverter. The inverter converts 12V DC into 120V AC. Not the most efficient use of power, but one that has its advantages.
A residential fridge of the same space actually has more storage inside than the equivalent absorption fridge. Most residential fridges also perform better in very warm weather where their absorption fridge brothers don't do so well (especially on the sunny side of the RV.) Residential fridges also cool much quicker when turned on. No need to pack them with ice or start them up a day in advance of your travel date.
So like most things RV, there is a tradeoff. I don't have one of the 21.5cf residential fridges with water and ice in the door, just a simple 10.1cf residential that is WAY better then my previous Norcold 6cf absorption fridge. Does it take more battery power to run? Yup. Does it have the option to run on LP? Nope. But I am OK with that. My ice cream stays frozen and my beer stays cold.
To each their own! Happy trails!
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John
2016 Thor Hurricane 35C with pups Piper and Annabelle
2013 Ford Fiesta toad
FMCA - F457085
Blog - https://traversity.us
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