Engineering Excellence Across Every Building Type

When disputes arise, attorneys turn to engineers who can translate complex building systems into clear, actionable insights. At Callan Consulting Engineers, our deep technical knowledge spans design, commissioning, troubleshooting, and expert testimony—bringing clarity and confidence to every project.
Beyond Traditional Commissioning: Continuous Building Intelligence

When disputes arise, attorneys turn to engineers who can translate complex building systems into clear, actionable insights. At Callan Consulting Engineers, our deep technical knowledge spans design, commissioning, troubleshooting, and expert testimony—bringing clarity and confidence to every project.
180 N LaSalle Repositioning

CCE evaluated the existing building infrastructure and completed a full building load calculation and energy analysis to propose a new mechanical and electrical system strategy for the Client’s building. The consulting team thoughtfully presented a new way to reduce the HVAC footprint to increase visible window area, improve the indoor experience, and increase usable and rentable square footage on every floorplate.