Up to 2 Person, Outdoor Sauna House, for Electric Heaters The award-winning Hele Nano is Haljas' coziest outdoor sauna. Perfect for those tight on space but big on relaxation. Designed for up to 2 sauna enthusiasts, its compact yet clever layout makes a versatile addition to any backyard oasis. Whether unwinding solo or sharing the warmth with a friend, the Hele Nano promises an indulgent sauna experience every time. The Hele Nano is sold and shipped fully assembled.