HOTWORX - Santa Clarita, CA - Copper Hill is a 24-hour infrared fitness studio and gym offering virtually instructed workouts in patented infrared saunas. Members have unlimited 24-hour access to a range of sessions, including hot yoga, Pilates, barre, cycling, HIIT, and other fitness formats built around HOTWORX's 3D Training approach of heat, infrared energy, and exercise.