Energy Consumption Analysis of a Residential Unit for Varying Structural Scenarios
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Abstract
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for all twelve scenarios were compared and conclusions were withdrawn in regard to best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.