Efficiency expertsThe University of Waterloo stands as a model of energy efficiency in Ontario, Jenn Monroe reports. Energy efficiency has been part of the University of WaterlooÔÇÖs operations strategy long before it became a trend. According to Rick Zalagenas, director of maintenance and utilities, the university started its efforts more than 20 years ago, even preceding his arrival on campus. ÔÇ£In the early to mid-1980s it was a high priority,ÔÇØ he says.