Energy in Action! — facilities management

In a single year, across ninety-one buildings, we found several million wasted kilowatt-hours, hundreds of thousands of therms of natural gas that did not need to be burned, and no small quantity of good old number two heating oil that was not helping anyone do anything. Ninety-one buildings. One year. That is the sample this article draws on, and every ratio you are about to read comes from it.