Energy Consumption Analysis of a Residential Unit for Varying Structural Scenarios

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Buildings possess approximately 40% share of the total energy consumption in the U.S. Nearly half of this share comes from residential buildings, with about 20% of the overall consumption. Based on the Energy Information Administration data, HVAC systems make up about 50% of the residential energy consumption, translating into the fact that residential HVAC use in the U.S. has 10% of the total nationwide energy consumption. This highlights the significance of analysis of building energy consumption based on various building envelope properties. Building envelope is defined by the structural components including the walls, roof, floor, windows, and doors. In this study, energy performance analysis of a single-family house as a residential unit was conducted. Energy consumption of the residential unit was examined for twelve different cases with various construction types. The analysis was carried out both theoretically and through eQuest, which is developed by the U.S. Department of Energy. Results from two approaches for all twelve scenarios were compared and conclusions were withdrawn in regard to best energy performance practices for the furtherance of the existing standards and codes.
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