What makes this a year round trailer? 3" thick laminated sidewalls offering r36 insulation  heated and enclosed underbelly with 12v heating pads on the water tanks heat strip in the AC unit to provide electric heat capability heated water lines to prevent freezing on demand water heater providing the comforts of home and convenience of lengthy showers residential inspired appliances (full size fridge and oven)   Awning 21', 1 Air Conditioning Unit(s), Back Flush, Battery Tray, AC/DC Converter, Dual Wheels, Enclosed Underbelly, Heated Tanks, Stabilizer Jacks, Outside Shower, Rack and Ladder, Spare with Carrier, 1 65" Televisions, Demand Water Heater , Thermal Pane Windows