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Évaluation des coûts d'exploitation des technologies de conditionnement d'air et de chauffage de l'eau dans un immeuble résidentiel aux États-Unis. 

Operating cost assessment of space conditioning and water heating technologies in a residential building across the United States.

Numéro : 3385

Auteurs : LU Z., BRAUN J. E., ZIVIANI D.

Résumé

To address environmental concerns and the need for more environmentally friendly cooling and heating solutions, the U.S. Department of Energy (DOE) is supporting the development of smarter, more efficient, and affordable heat pumping systems operating with low- or no-GWP refrigerants through the Energy, Emissions, and Equity (E3) Initiative. In the literature, limited studies were found that investigated different combinations of conventional and emerging space conditioning and water heating technologies while accounting for real building loads, different climate zones, utility structures, and state-of-the-art equipment. This paper presents operating cost analyses of eight configurations of space heating, cooling, and water heating technologies for a realistic residential building scenario under typical year-round weather conditions. Different combinations of heat pump water heaters, ground source heat pumps, cold climate heat pumps, dual fuel heat pumps, and conventional furnaces were considered in the study. A building model was developed in EnergyPlus and validated with historical data from the DC Nanogrid House at Purdue. A total of eleven climate zones were considered and both local weather conditions and utility pricing were implemented in the simulations. Climate-based equipment selection guidelines were developed and the paper includes future SEER2/HSPF2 ratings, E3 Initiative targets, and also quantitative discussions on emerging technologies such as membrane heat pumps.

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Pages : 12 p.

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Détails

  • Titre original : Operating cost assessment of space conditioning and water heating technologies in a residential building across the United States.
  • Identifiant de la fiche : 30030231
  • Langues : Anglais
  • Source : 2022 Purdue Conferences. 7th International High Performance Buildings Conference at Purdue.
  • Date d'édition : 2022

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