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Improve Energy Efficiency Using Heat Pumps

By Sebastiano Giardinella |

Heat pumps are an efficient way to provide space and process heating. Information on their types, and how to assess their potential benefits is provided here Approximately 40% of the energy that is used in buildings in the U.S. goes toward keeping indoor spaces comfortable. Heat pumps provide a proven, efficient way to provide this service. Whereas a heater can only convert less than 100% of the energy put into the device into useful heat, a heat pump can provide many multiples of the device energy input by combining the heat rejected from said device with heat available from a typically free source. This translates into a much lower energy cost over the heat-pump lifecycle, which pays for its typically higher initial cost when compared with a heater. Heat pump technology applications have been growing, from typical refrigeration, space heating/cooling, to industrial or hybrid uses in the chemical process industries (CPI). This article discusses heat pumps, their types, working principle and components, and provides an overview of the process for defining, specifying and evaluating a heat pump project.   Heat pump basics Heat pumps are devices or systems that extract heat from at least one source and transfer it to at least…
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