Probably not now or ever.Generally it has been cheaper to heat water with gas than with electric. In February, 2005 the Metropolitan Utilities District of Omaha NE estimated that an electric water heater cost 75% more to operate than a gas heater. But that doesn’t mean that Barbara can’...
Keep in mind, however, that while an electric heater is more efficient on the surface, it will not warm the room as well as a gas fireplace. Therefore, you may find that with a gas fireplace, you can turn down yourthermostatand still stay warm. With an electric fireplace, you will lik...
公开/公告日期: 2010-11-25 申请(专利权)人: RINNAI CORP 发明人: 杉本 和基次 摘要: PROBLEM TO BE SOLVED: To provide a gas fan heater including an electric heater preventing increase in the size and overheating of a body upper part when fan stop occurs.收藏...
Cost-benefit analysis for an electric gas heater 来自 Semantic Scholar 喜欢 0 阅读量: 13 作者: AN Fedorov 摘要: The problem is to select an optimal time-pattern of replacement of F–9's by A–4's, given technological differences favoring the A–4 and increasing costs of maintaining ...
The method of analysis is comparative present value of expected costs.doi:10.1007/BF01149681A. N. FedorovKluwer Academic Publishers-Plenum PublishersChemical & Petroleum Engineering
客户或许是在问，洗碗机的增压加热器是烧油的还是电动的
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(.12 x 100,000)/3,413, the cost per therm of electricity works out to $3.52 — nearly four times the national average natural gas price of 90 cents per therm. Therefore, an electric heater with an output comparable to a gas fireplace will cost considerably more per hour to operate ...
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