For every million BTUs of heat output, a gas heater will cost you $18, propane is around $30, and an electrical heater will cost about $35. These prices can change due to fluctuations in fuel and energy costs, but it is a good indicator of what they cost in relation to each other....
The method of analysis is comparative present value of expected costs.doi:10.1007/BF01149681A. N. FedorovKluwer Academic Publishers-Plenum PublishersChemical & Petroleum Engineering
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A cost-benefit analysis for an electric gas heater AN Fedorov 被引量: 0发表: 1990年 Evaluation of conventional and renewable energy sources for space heating in the household sector Economic, Practical/ cost-benefit analysisfuzzy set theoryrenewable energy sourcessolar heatingspace heatingwind power/...
ELECTRIC OR GAS DOMESTIC HEATER FOR HOT AND COLD WATER The invention relates to a domestic water heater used for bathing, not for drinking, and which supplies hot and cold water. In the winter, the heater is used to supply hot water at a temperature between 30° C and 90° C, the wat...
1.Natural flue type gas water heater 2.Automatic pulse ignition device 3.White powder coating panel 4.Mutiple safety protection:flameout,over water pressure,overheat,etc 5.Optional:ODS;20 timer;summer & winter switch;cold & hot water switch ...
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power:2000W;Type:Square electric water heater;Usage:Electrice Home Appliance bath water heater;Storage water heater Heat Source:Electricla Heater;Heating Element:Stainless steel/copper/enamel;Warranty:3 Years;Voltage:220V-230V;50HZ;Material of inner tank
A hot-gas engine electric heater that is partially disposable in a heat exchange tube of a hot-gas engine and supplies heat to a working fluid in the hot-gas engine wherein the heat exchange tube has a contour. The heater includes a thin and circular-shaped base, at least one conically...
High Safety Level: This OEM storage electric hot water heater boiler boasts a high safety level, ensuring a secure operation in various industrial environments, including hotels, manufacturing plants, and construction works, as per the user's requirements. Durable Core Components: The boiler body, ...