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A boiler is a closed vessel in which fluid (generally water) is heated.The fluid does not necessarily boil.The heated or vaporized fluid exits the boiler for use in various processes or heating applications, [1] [page needed] [2] [page needed] including water heating, central heating, boiler-based power generation, cooking, and sanitation.
Typically gas is used to heat water, for showering, or central heating. In many countries, gas heating is one of the major contributors to greenhouse gas emissions and climate damage, leading a growing number of countries to introduce bans. Air source heat pumps are the main alternative. [1] The International Energy Agency has said that new gas ...
Rastrick boiler: a vertical heat-recovery boiler, typically used in ironworks. Owing to the conditions of their use, they acquired a poor reputation for safety and explosions. [48] Reed boiler: An early naval water-tube boiler. [6] [9] return-flue boiler: flued boiler with a single large flue that folds back on itself. Used in early steam ...
Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.
Electric heating can either be purely resistance-type heating or make use of a heat pump system to take advantage of low-grade heat in the air or ground. A district heating system uses centrally located boilers or water heaters and circulates heat energy to individual customers by circulating hot water or steam. This has the advantage of a ...
The average home using heating oil is projected to pay $1,851 to keep warm, compared to $601 for an average home using natural gas or $1,063 for electricity, the EIA said.
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