Hospitals are among the most resource-intensive commercial buildings because they must operate continuously and require energy for items as simple as lights and as complex as surgical robots. They have strict requirements for temperature, humidity and air quality, meaning they need sophisticated HVAC systems, and they include nonclinical functions that have high energy demands, such as food services and information technology. Organizational structure is complex, which makes finding access points to elevate Energy Conservation very unclear. For large hospital systems, annual energy costs can reach into the tens of millions of dollars. Yet most health systems still don’t make energy investments a priority: experts say the incremental savings of an efficient boiler is not as fascinating to the public as a new magnetic imaging machine.