Quick Answer
Portable RV refrigerators are designed to be easily moved and often have a smaller footprint, while built-in RV refrigerators are permanently installed and can be more energy-efficient. Built-in units typically use more power but offer more storage space and are often more convenient to use. They also require more setup and installation.
Design and Installation Considerations
When choosing between a portable and built-in RV refrigerator, consider the size and layout of your RV. Portable units are ideal for smaller spaces or for those who plan to move their RV frequently. Built-in units, on the other hand, require more space and are often more complex to install, but they offer more storage capacity and can be more energy-efficient. A built-in 12V DC refrigerator, such as the Dometic RM2602, can use up to 3.5 amps of power per hour, while a portable unit like the ARB 37 Quart may use around 2 amps per hour.
Power and Energy Sources
Built-in RV refrigerators often require a more significant power source, such as a dedicated 12V DC or 120V AC circuit. Portable units, by contrast, can run off a smaller power source, like a battery or a portable generator. For off-grid use, consider a propane-powered refrigerator like the Norcold N80, which can operate on a single 20-pound propane tank for up to 20 hours. Propane-powered units are ideal for those who want to minimize their dependence on electrical power.
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