Hydronic heat for efficient, zone-based warmth
Refrigerator and a reliable 12-volt electrical system
Converter and inverter to power devices off-grid
Fire extinguisher for safety
Hitch and ladder for outside gear handling
Luggage rack for extra storage
Power lift for easy access to gear or bed
Roof vent and screen door for airflow and fresh air
Clothes rod, removable table, shower, and toilet for off-grid comfort