公开(公告)号：US20210239328A1

公开(公告)日：2021-08-05

申请号：US16829569

申请日：2020-03-25

Applicant: LG ELECTRONICS INC.

Inventor： Yose BAE ,  Minsu KIM ,  Hyewon PARK

IPC: F24D19/10 ,  F24D17/02 ,  F24D17/00 ,  F24H1/20 ,  F24H1/18

Abstract: A water heater is provided that heats water in a storage tank and discharges the heated water. The water heater includes a storage tank configured to store water, at least one first temperature sensor configured to sense a temperature of the water stored in the storage tank, a second temperature sensor configured to sense a temperature related to an outside of the water heater, a first heat exchanger comprising at least one heating element configured to heat the water, a second heat exchanger comprising a heat pump system and configured to heat the water, and a controller configured to control at least one of the first heat exchanger and the second heat exchanger based on a temperature sensed by the second temperature sensor and a set water temperature.