Analysis of the performance of a tankless water heating combo system: Simultaneous space heating and domestic hot water operation

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• 作者：Joseph P. Der ; Larry W. Kostiuk ; André ; G. McDonald ; ^{andre.mcdonald@ualberta.ca}
• 关键词：Combination heating ; Heating ; Ventilation and air conditioning (HVAC) ; Hydronic space heating ; Tankless water heater ; Water heating ; Thermal efficiency ; Second law efficiency
• 刊名：Energy and Buildings
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：135
• 期：Complete
• 页码：50-61
• 全文大小：1347 K
• 卷排序：135

文摘

Combination heating systems shown to be efficient for space and water heating. Cycling of domestic hot water flow rate decreased first law efficiency. Comparable performance to mid- to high-efficiency furnaces and tank water heaters.