HotWorx fitness studio opened June 13 at 4718 Colleyville Blvd., Ste. 120, Colleyville. The business is calling members to schedule orientations and coordinate mats and towels. The studio offers virtually instructed exercise programs with a focus on users experiencing infrared heat absorption in 30-minute or 15-minute training sessions as they exercise. The studio’s 3D technology uses heat, infrared energy and exercise to help users achieve results. 817-576-2999. www.hotworx.net/studio/colleyville