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Investigating the suitability of a heat pump water-heater as a method to reduce agricultural emissions in dairy farms

Author(s) : BYRNE P. S., CARTON J. G., CORCORAN B.

Type of article: Periodical article

Summary

The performance of an air-source heat pump water-heater (ASHPWH) system manufactured by Kronoterm was benchmarked in this study for the application of dairy farming in Ireland. The COP of the system was calculated to be 2.27 under normal operating conditions. The performance of the heat pump system in terms of its cost to run and efficiency was also compared with five other water heaters. The heat pump is seen to be very efficient, however due to the carbon intensity of the Irish grid electricity and high water temperatures required, the solar water heater with gas backup was found to be the best performing under energy efficiency and carbon emissions per litre of usable water. In conclusion, although the heat pump was not the best-performing system under these metrics, the cost and complexity of the solar-gas system may be a deterrent for dairy farmers;

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Pages: 17

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  • Original title: Investigating the suitability of a heat pump water-heater as a method to reduce agricultural emissions in dairy farms
  • Record ID : 30028973
  • Languages: English
  • Subject: Technology
  • Source: Sustainability - 13 - 10
  • Publishers: MDPI
  • Publication date: 2021/05
  • DOI: http://dx.doi.org/10.3390/su13105736

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