Try Scamp or T@B too.
Although, you may have trouble finding one, of any brand, without a gas furnace. The refrigerator and water heater may or may not be available with electric. As long as those have an electric option, you can just not use the propane.
Bobbo and Lin
2017 F-150 XLT 4x4 SuperCab w/Max Tow Package 3.5l EcoBoost V6
2017 Airstream Flying Cloud 23FB