This guide discusses the reasons behind the growing trend of organizations switching from bottled to filtered water coolers. Also called “point-of-use” or “bottle-less” coolers, filtered water coolers compress the sophisticated purification technology of a filtration plant into an appliance the size of a traditional bottled water cooler, which can be placed anywhere in the workplace. The key drivers behind the switch to filtered water coolers fall into three categories: cost reduction, increasing sustainability, and improving employee wellness.