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水暖奖：瑞美制造有限公司 (020514)
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发表时间：2019-06-21
The Prestige™ Series hybrid electric heat pump water heater features an Energy Factor (EF) of 2.45, which is the most efficient water heater that Rheem has ever developed, said Bryan Collar, senior product manager.
Source: ACHR News (a part of news report)
