Without a tank (used especially of water heaters).(adjective)
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Use "tankless" in a sentence
"HAFFENREFFER: Janey ` s green devotion has led to the use of power generating solar panels on the pool house, washing machines that use less water, light bulbs that use less electricity and even a so-called tankless water heater which we found tucked behind a jolly old fella in the Chase ` s basement."
"Has anyone installed a "tankless" propane water heater in MX? results??"
"Green technologies such as tankless water heaters, radiant heat ceiling panels, and translucent poly carbonate sheets are artfully balanced with high-end amenities such the iPort integrated sound system, Boffi kitchen, and Duravit bathroom fixtures."