Website: https://www.hotworx.net/studio/knoxville-hardinvalley HOTWORX is a 24-hour infrared fitness studio that provides members with access to a variety of virtually instructed infrared sauna and hot yoga workouts. Experience the benefits of infrared energy and heat through a 15-minute High-Intensity Interval Training session or any of our 30-minute isometric workouts, including Hot Pilates, Hot Yoga, Hot Core, Hot Cycle, Hot Blast, and many more. Start achieving your fitness goals and experience the HOTWORX difference for... read full review »