The answer to your question depends on your planned RV use. For example do you boondock often, or do you rely mostly, or entirely on RV parks with electrical hookups? Briefly, for boondockers a rv fridge is the better choice because you can switch to propane when off grid, a benefit because residential refrigerators consume quite a bit of juice, translating into more battery capacity and either more solar power or longer generator run times to charge the batteries. Not insurmountable but has to be considered. On the other hand if you rely mostly on electrical hookups, then a residential refrigerator might be a good choice. The residential refrigerators tend to be more efficient, do not have the outside venting requirements a RV refrigerator has. Another consideration, residential refrigerators are not typically built to bounce down the road which might possibly lead to problems and they are more costly to replace. So for someone who travels infrequently, for example a snowbird a residential refrigerator might be the better choice.