2013 Volume 19 Issue 43 Pages 1005-1010
Sale of hybrid gas-electric water heater was started in April, 2010. In this paper, the field survey was performed in the dwelling house which hybrid gas-electric water heater was installed. COP of hybrid gas-electric water heater on actual usage is 1.10 - 1.45. Compared with conventional water heater, hybrid gas-electric water heater can be expected to reduce 30% of hot water energy consumption.
Ethical standards of the publisher (‘Ethical Standards Concerning the Peer Review for the Presentation of Architectural Transactions and Works’)