One of the biggest power hogs in an RV is the refrigerator. No matter if yours has two-way or three-way power capabilities, a refrigerator takes a lot of energy to keep stuff cold.
And if you’ve installed a residential-style refrigerator? Well, that’s going to require even more juice.
Source: Gone with the Wynns
This video might just make you rethink adding a residential-style refrigerator to your RV or tiny house.
And if you’re wondering why the readings weren’t the same on the Kill-A-Watt and battery monitoring kit, it has to do with energy loss due to using an inverter and current draw from other wired-in appliances.