Refrigerators

The subject of refrigerators for the GMC is a well-traveled one. There are those who swear by their propane-fueled absorption refrigerators, and there are those who swear at them. In the best of cases, an absorption refrigerator takes the better part of a day to get to temperature, and once there it takes a while to recover if the door is opened. There is a reason we don't use absorption refrigerators in the home ... they're just not competitive with compressor-cycle fridges in any area of performance, and they are a potential fire hazard. Even moreso in a moving RV. They compromise the overall heating and cooling of the RV because they must vent to open air. In short, because the efficient 12 volt compressor refrigerator has come of age, and high-capacity LifePo4 batteries are readily available, along with affordable solar, there are few reasons left to choose an absorption fridge.

12-volt Refrigerators

Several 12-volt refrigerators are recommended by the GMC community. None fit the existing space in a standard GMC-built interior better than the Norcold N8DC, though. This model has been observed to pull a maximum of 5 amps while the compressor is in operation. Once cool, in a comfortable interior and with the old absorption vents sealed, the N8DC can be expected to cycle about 1/4 to 1/3 of the time, consuming at most 40 amp hours per day. Vitrifrigo also makes a competitive model.

Sources

If you're open to scratch and dent refrigerators that may require cosmetic repair, National RV Refrigeration in Shipsewana, Indiana has a solid reputation in the GMC community.