A collapsible tent with quilted reflective covering fabric is formed from a plurality of hubs that connect outward extending struts. The struts define the shape of the walls and roof by supporting an expanse of at least translucent fabric extending from a hub are disposed in the center of each sidewall of the tent and a polygonal slanted roof. The strut ends from the slanted roof panels are held in stitched elongated pockets at the roof corners which are adjacent the stitched pockets that support sidewall struts. The tent has sealable vents and portal for one or more of power cords, ventilations ducts and water or drains hoses.