Tankless water heating
QUICK WATER HEATER WITHOUT A WATER TANK
Tankless water heater; Tankless water heaters; Combination boiler; Combi boiler; Hybrid water heater
Tankless water heaters — also called instantaneous, continuous flow, inline, flash, on-demand, or instant-on water heaters — are water heaters that instantly heat water as it flows through the device, and do not retain any water internally except for what is in the heat exchanger coil. Copper heat exchangers are preferred in these units because of their high thermal conductivity and ease of fabrication.