HOTWORX - Sioux Falls, SD - 69th & Cliff is a locally owned, family-run 24-hour infrared fitness studio and gym serving the Sioux Falls and Harrisburg communities. The studio provides unlimited member access to virtually instructed infrared sauna workouts, including hot yoga, Pilates, barre, cycling, HIIT, and other sessions built around HOTWORX's combination of heat, infrared energy, and exercise.