Modelling the carbon-saving performance of domestic ground-source heat pumps

David Jenkins; R. Tucker; R. Rawlings

doi:10.1016/j.enbuild.2008.12.002

Modelling the carbon-saving performance of domestic ground-source heat pumps

David Jenkins, R. Tucker, R. Rawlings

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58 Citations (Scopus)

Abstract

A ground-source heat pump (GSHP) model is formulated and used to estimate the potential of a domestic GSHP as a carbon-saving technology (compared to a conventional gas boiler) with actual thermal data for a dwelling in the UK. The model shows good agreement with current sizing guidelines but shows possible barriers to the carbon-savings (and running cost savings) of GSHPs. This includes an analysis of output temperatures, system sizes and grid CO₂ intensity. The model suggests that GSHPs should be aimed towards a new-build market (rather than retrofit) due to the likely reliance on high surface area/low temperature distribution systems. Also, grid CO₂ intensity needs to be better understood when estimating the electrical consumption CO₂ emissions of GSHPs, both for current and future scenarios. © 2008 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	587-595
Number of pages	9
Journal	Energy and Buildings
Volume	41
Issue number	6
DOIs	https://doi.org/10.1016/j.enbuild.2008.12.002
Publication status	Published - Jun 2009

Keywords

Carbon
Domestic
Ground-source heat pump
Model

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10.1016/j.enbuild.2008.12.002

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abstract = "A ground-source heat pump (GSHP) model is formulated and used to estimate the potential of a domestic GSHP as a carbon-saving technology (compared to a conventional gas boiler) with actual thermal data for a dwelling in the UK. The model shows good agreement with current sizing guidelines but shows possible barriers to the carbon-savings (and running cost savings) of GSHPs. This includes an analysis of output temperatures, system sizes and grid CO2 intensity. The model suggests that GSHPs should be aimed towards a new-build market (rather than retrofit) due to the likely reliance on high surface area/low temperature distribution systems. Also, grid CO2 intensity needs to be better understood when estimating the electrical consumption CO2 emissions of GSHPs, both for current and future scenarios. {\textcopyright} 2008 Elsevier B.V. All rights reserved.",

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AU - Tucker, R.

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AB - A ground-source heat pump (GSHP) model is formulated and used to estimate the potential of a domestic GSHP as a carbon-saving technology (compared to a conventional gas boiler) with actual thermal data for a dwelling in the UK. The model shows good agreement with current sizing guidelines but shows possible barriers to the carbon-savings (and running cost savings) of GSHPs. This includes an analysis of output temperatures, system sizes and grid CO2 intensity. The model suggests that GSHPs should be aimed towards a new-build market (rather than retrofit) due to the likely reliance on high surface area/low temperature distribution systems. Also, grid CO2 intensity needs to be better understood when estimating the electrical consumption CO2 emissions of GSHPs, both for current and future scenarios. © 2008 Elsevier B.V. All rights reserved.

KW - Carbon

KW - Domestic

KW - Ground-source heat pump

KW - Model

U2 - 10.1016/j.enbuild.2008.12.002

DO - 10.1016/j.enbuild.2008.12.002

M3 - Article

SN - 0378-7788

VL - 41

SP - 587

EP - 595

JO - Energy and Buildings

JF - Energy and Buildings

IS - 6

ER -

Modelling the carbon-saving performance of domestic ground-source heat pumps

Abstract

Keywords

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