When mechanical and plumbing engineers need to select a water heater for an educational building, several things must be studied to ensure the best possible outcome. In his recent article for Consulting-Specifying Engineer, RMF’s Michael Scruggs looks at the various specifications to consider the ideal option. The mechanical engineer’s ultimate responsibility when sizing a water heater is to provide the owner with a selection that meets specific needs, while also working within the limitations of the building. How can this be done most effectively?