Overview
HOTWORX in St. Louis’s Midtown neighborhood is a 24-hour infrared fitness studio that fuses heat, infrared energy, and exercise into a structured workout program. Members choose from a dozen infrared sauna classes—Hot Yoga, Hot Pilates, Hot Cycle, Barre, and HIIT—each led by a certified virtual instructor. Sessions run 15 minutes for HIIT and 30 minutes for isometric workouts, with a focus on consistency and cross-training to build strength and avoid plateaus. The studio’s patented sauna technology accelerates metabolism and reduces warm-up time, while the FX Zone offers functional training equipment for additional work. The HOTWORX Burn Off App handles booking, tracks calories, and provides a personalized avatar for progress monitoring, along with DietTRAX for nutrition logging and HOTSQUAD for group accountability. Under new management, the location has improved cleanliness and equipment reliability. Visitors appreciate the free street parking, convenient spot across from Fresh Thyme, and friendly staff. First-time local guests can try a complimentary session during staffed hours. The studio is open every day, around the clock, making it easy to fit a workout into any schedule.
Yoga Format
Studio Amenities
Studio Business Hours
| Day | Status | Time |
|---|---|---|
| Monday | Open | 11:00 am – 8:00 pm |
| Tuesday | Open | 11:00 am – 8:00 pm |
| Wednesday | Open | 11:00 am – 8:00 pm |
| Thursday | Open | 11:00 am – 8:00 pm |
| Friday | Open | 9:00 am – 6:00 pm |
| Saturday | Open | 9:00 am – 2:00 pm |
| Sunday | Closed | – |
Studio in Details
Overview
HOTWORX in St. Louis’s Midtown neighborhood is a 24-hour infrared fitness studio that combines heat, infrared energy, and exercise into a distinctive workout experience. The studio operates around the clock, allowing members to book sessions at any hour. Infrared saunas serve as the centerpiece for every class, from hot yoga and pilates to cycle and HIIT workouts. A certified virtual instructor guides each 15-minute HIIT and 30-minute isometric session, emphasizing consistency and cross-training. The patented sauna technology, which the studio calls “3D Training,” is designed to accelerate metabolism and warm the body quickly, reducing warm-up time. Members can also access the FX Zone, a functional training area with bands, weights, ropes, and other equipment for additional strength work before or after sauna sessions.
Services & Facilities
The studio offers a variety of infrared sauna workouts including Hot Yoga, Hot Pilates, Hot Cycle, Barre, and HIIT. Each class follows a structured format with consistent flow for isometric postures and interval timing for HIIT, supporting measurable progress. The Burn Off App serves as a central hub for booking, tracking calories burned, completing challenges, and monitoring progress through a personalized avatar. The app also includes DietTRAX for meal photo logging and HOTSQUAD for group accountability. The FX Zone provides additional cross-training opportunities with equipment like bands and ropes, and a silent trainer video displays routines. Membership options include unlimited access to all infrared workouts and the FX Zone, with presale rates for first-time members and a complimentary session for local first-time guests during staffed hours. The studio stocks hand towels and lavender/eucalyptus spray for sauna use, and a table of equipment is available for members to try before purchasing.
Visitor Experience
Under new management, the Midtown location has seen noticeable improvements in cleanliness, equipment maintenance, and staff attentiveness. Visitors frequently comment on the friendly and knowledgeable team, with specific mentions of staff member Emilee. The saunas are preheated during staffed hours, ensuring they are ready upon arrival. The studio’s location is praised for its convenience, situated across the street from Fresh Thyme grocery store and near the Grove neighborhood, with free street parking and a lot behind. Members appreciate being able to complete a full workout in under an hour and the flexibility of 24/7 access. Reviews note that isometric sessions and barre are good starting points for newcomers, while the heat and sweating are seen as effective for a thorough workout. Some taller individuals find the saunas cramped when sharing with another person, and a few reviews mention billing issues under previous ownership, though current management has addressed such concerns. Overall, the studio is described as a clean, well-lit space with considerate members and a supportive atmosphere.