Improved sensor technology and modeling tools have made demand-controlled ventilation easier to implement in facilities ranging from clothing stores to movie theaters. But what’s the potential for energy savings in different types of buildings? Drawing on case studies and the experience of professionals in the field, we present guidelines for choosing the most cost-effective applications for matching ventilation rates to occupancy loads in different typesof buildings. The report also offers suggestions for implementing incentive programs to encourage the use of energy-saving demand-control ventilation systems.