HOTWORX - Knoxville, TN - Fountain City

Located in Fountain City on Adair Drive, HOTWORX Knoxville offers 24-hour infrared fitness suites designed for high-intensity cross-training, active recovery, and sports conditioning. Racket sport players and local athletes utilize the facility's patented infrared saunas to build core stability, cardiovascular stamina, and muscular endurance through 30-minute isometric sessions and 15-minute HIIT workouts. The studio features virtual instructor-led sessions covering Hot Yoga, Hot Cycle, Hot Blast, and Hot Pilates, combined with heat acclimation benefits that support on-court performance during humid Tennessee summers. Alongside the sauna bays, an open functional training area (FX Zone) provides rubberized athletic flooring for strength, agility, and mobility work. The community is tight-knit and focused, backed by 24/7 keycard entry that accommodates early morning warm-ups or late-night recovery routines. Booking sessions is handled entirely through the proprietary HOTWORX member app, allowing users to reserve their sauna cubicle and chosen workout program in advance.