The Queen’s Innovation and Wellness Centre (QIWC) is a four-storey facility on the former Physical Education Centre site that brings together innovation, wellness, and academic excellence in a single integrated environment. It houses the Queen’s Innovation Hub, interdisciplinary laboratories, athletic and recreation facilities, the Queen’s University International Centre, and a new Exam Centre, promoting collaboration and reinforcing the link between mental, physical, and academic well-being. Kelson was the mechanical contractor for the exciting new addition/renovation project. The mechanical scope included: two lower-level and two penthouse mechanical rooms, a chilled water plant supplied from the adjacent Athletics and Recreation Centre, and steam heating coils fed by the campus central steam plant serving eight air handling units. Laboratories are supported by dedicated lab air, vacuum, and reverse osmosis water systems, with high-plume exhaust fans safely dispersing fume hood exhaust. A high-pressure steam process piping network distributes steam throughout the occupied facility for space heating, hydronic terminals, domestic hot water, and humidity control. Large atriums and shared collaboration spaces complement the efficient mechanical design, resulting in a modern, high-performance building constructed while fully occupied university facility.