Fits under standard 18" height kitchen cabinets. Saves valuable floor and countertop space. * Glacial Chill technology uses a ring of ice to keep water at a steady temperature just above freezing, making a refreshingly chilly glass of water. Produces 1.6 gallons of icy cold water per hour. * HotBoost technology injects preheated water into the hot tank, maintaining a very high average temperature. Produces 1.4 gallons of piping hot water per hour. * Professional Grade compressor technology turns on about 30 times less than the average commercial grade cooler; which often starts failing after a year or two of use. * Exceeds Energy Star"s requirements, yet produces more cold and hot water than normal commercial grade coolers.