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Ground‐Source Heat Pumps

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Ground‐Source Heat Pumps ( ground‐source-heat-pumps )

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Market Barriers GSHPs also face several market challenges: 5.2 • • • • • • High installation costs result in poor payback compared to ASHPs, and limit energy savings compared to ultra‐high‐efficiency ASHPs, which costs less to install Space constraints in many urban areas Limited production volumes lead to higher costs Operating cost is dependent upon electricity price (high in NE) Advances in ASHPs are “raising the bar” (high‐efficiency, cold climate) Longer project duration for installing a GSHP relative to an ASHP or furnace (which can be completed in less than one day), along with the excavation mess, is a disincentive for some customers. Institutional, Regulatory, and Other Barriers GSHPs face additional barriers, including: • Environmental regulations in some regions restrict re‐injection of ground water. • Potential for glycol leaks can be a barrier • Low market awareness among consumers • Limited number of qualified, trained installers • Need codes to ensure proper design and installation of ground loop and pump selection (pump parasitics issue) U.S. Department of Energy 78

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