The full text of this item is not available at this time because the student has placed this item under an embargo for a period of time. The Libraries are not authorized to provide a copy of this work during the embargo period, even for Texas A&M users with NetID.
The Evaluation of the Sustainability of a Modern Residential Dwelling in a Humid Subtropical Environment
MetadataShow full item record
The objective of this research is the life cycle analysis of a high-performance, above-code home as compared to a more traditionally built home in a humid, subtropical environment. Building energy estimations and environmental impacts analyses were performed, and model development and results were presented. Renewable energy and rainwater collection systems impacts were also investigated. Annual operational energy was reduced 30% due to decreases in the HVAC energy associated with infiltration and building envelope differences between the ‘Reference’ and ‘As-Built’ models. Gas-based heating models embodied energies were 6% and 12% of the total energy and the use phase energy was 93% and 87% for the ‘Reference’ and ‘As-Built’ models, respectively. The embodied energy in the ‘Reference’ model was almost half of the embodied energy in the ‘As-Built’, but the ‘As-Built’ model achieved a reduction of life cycle primary energy of 23% compared to the ‘Reference’ model. A reduction of 6,314 GJ and 402 metric tons of primary energy and GWP was achieved for the ‘Reference’ compared to the ‘As-Built’ model. Total primary energy over the life cycle was 26,216 and 19,983 GJ, with energy intensities of 44.4 and 33.8 GJ/m^2 for the ‘Reference’ and ‘As-Built’ models, respectively. The electrical-based heating models followed similar trends as the gas-based model but with a small increase in operational energy. Global warming potential had similar distribution patterns as that of the primary energy and total life cycle global warming potential intensities were estimated for the ‘Reference’ and ‘As-Built’ models, respectively as 2,835 and 2,166 kg CO2-eq/m^2. Solar electric and hot water renewable energy systems decreased the annual operating energy by 12.5% and 15.5% and the total life cycle primary energy by 9.4% and 13.4% for the ‘Reference’ and ‘As-Built’ models, respectively. Finally, with no rainwater harvesting, total water consumption was 29.68 and 31.78 mega-liters for the ‘Reference’ and ‘As-Built’. The use phase dominates both models with 85% and 80% of the use phase for the ‘Reference’ and ‘As-Built’ model, respectively. Rainwater harvesting systems may offset the life cycle use phase and with a Monte-Carlo simulation yielded a 73% demand reduction with a 48% probability.
SubjectResidential Building Life Cycle Analysis
Lifecycle Energy Analysis
Lifecycle Renewable Energy Analysis
Lifecycle Rainwater Analysis
High Performance Residential Buildings
Low Energy Buildings
Building Life Cycle Impact Analysis
Building Primary Energy
Building Global Warming Potential
Residential Renewable Energy
Rainwater Harvesting Systems
US DOE Energy Plus
NREL System Advisory Model
Sweeney, James F (2015). The Evaluation of the Sustainability of a Modern Residential Dwelling in a Humid Subtropical Environment. Doctoral dissertation, Texas A & M University. Available electronically from
Showing items related by title, author, creator and subject.
Investigation and Analysis of Summer Energy Consumption of Energy Efficient Residential Buildings in Xi'an Ma, B.; Yan, Z.; Gui, Z.; He, J. (Energy Systems Laboratory (http://esl.tamu.edu)Texas A&M University (http://www.tamu.edu), 2006)Tests and questionnaire surveys on the summer energy consumption structure of 100 energy efficient residential buildings have been performed in a certain residential district in Xi'an, China. The relationship between the ...
Analysis of the Impact of Using Improved Multi-Layer Window Models for Code-Compliant Residential Building Energy Simulation in Texas Choi, Jong-Hyo (2014-12-23)In most urban areas of United States, newly constructed buildings have to comply with building codes from the International Code Council (ICC) or from the American Society of Heating, Refrigerating and Air Conditioning ...
Zhou, Hongyun (2014-07-30)The intent of this study was to reduce the energy consumption of an existing high-rise apartment in the warm and humid climate region of Shanghai, China by applying energy-efficient and cost-effective strategies. To ...