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UTSA architecture researcher to evaluate energy efficiency of historic homes

William Dupont

William Dupont, FAIA

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(Aug. 18, 2014) -- A team of UTSA researchers has been awarded a nearly $40,000 grant from the National Center for Preservation Technology and Training (NCPTT), an office of the National Park Service (NPS) and U.S. Department of the Interior. The grant will fund a one-year study of the energy efficiency and cost effectiveness of radiant barrier retrofits of historic homes in hot, humid climates.

Radiant barriers are reflective thermal insulations commonly fitted into roofs or attics that reflect heat back, thereby reducing the amount of heat emitted in the direction of the homes. The researchers will study these retrofits in 10 case study homes. These homes will be of similar wood-frame construction, detached one-story structures of approximately 1,750 square feet built between 1900 and 1945 and located within an historic district.

This study will be one of the first academy investigations funded by a government organization to focus solely on energy efficiency retrofits in hot, humid climates, noted Principal Investigator William A. Dupont, FAIA.

"The existing research on energy-efficiency retrofits has mostly focused on northern climate zones, leaving a dearth of information applicable to historic homes in southern climate zones," said Dupont. "Better energy efficiency of older homes is necessary and achievable, but homeowners and contractors lack real data on the most cost-effective techniques, especially in hot and humid climates."

According to a 2011 U.S. Energy Information Administration report, buildings account for 41 percent of total U.S. energy consumption, and residential buildings account for 55 percent of that total. A recent survey by the U.S. Department of Housing and Urban Development found that more than 41 million residential housing buildings were built before 1960. That means they are more than 50 years old and may hold historical significance.

"In San Antonio alone, the City's Office of Historic Preservation is currently estimating that there are 61,000 historic residential units within a 36-mile area," said Dupont. "That's roughly consistent with the national average. The problem is that these homeowners still do not have clear, accurate financial estimates on the cost-effectiveness of energy efficiency options. That means that most are either just wasting energy or spending money unnecessarily."

Through the use of energy-efficiency monitoring devices, researchers will be able to evaluate homeowners' energy expenditures throughout the year in comparison to similar homes not fitted with radiant barriers. The monitors also will isolate the energy efficiency impact of the radiant barrier versus other environmental factors such as lighting fixtures and the homeowners' existing behaviors.

At the end of the year, the researchers will have the data to evaluate the radiant barriers' effectiveness. The researchers will produce a detailed pamphlet aimed at educating the general public about energy efficiency retrofits.

Dupont is the San Antonio Conservation Society Endowed Professor of Architecture and director of the Center for Cultural Sustainability in the UTSA College of Architecture. His team includes UTSA researchers Hazem Rashed-Ali, associate professor of architecture; Suat Gunhan, assistant professor of construction science; and Randy Manteufel, P.E., associate professor of mechanical engineering in the UTSA College of Engineering. The team also will include UTSA historical preservation and architecture graduate students.

The UTSA Center for Cultural Sustainability in the UTSA College of Architecture provides academic research and services to benefit communities, completes large-scale research projects and educational opportunities for graduate students, and convenes leaders in the field for dialogue on global practices concerning sustainable development and construction.

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For more information, visit the UTSA Center for Cultural Sustainability or the UTSA College of Architecture websites.

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Events
Feb. 5, 6:15 p.m.

First Friday Stargazing

The UTSA Department of Physics and Astronomy's Curtis Vaughan Observatory will offer free stargazing for the public beginning on top of the 4th floor of the Flawn Science Building. Experienced astronomers will be on hand to show a variety of astronomical objects and answer any questions. This event is free and open to the public, so feel free to invite friends and family.
Curtis Vaughan Observatory

Feb. 6, All Day

10th annual San Antonio Writing Project Teachers' Conference

This year's keynote speaker is Donalyn Miller, author of The Book Whisper. The event will feature breakout sessions and a presentation by the Creative Writers from North East School of the Arts. The event is free and open to all teachers from Pre-K through university level. Attendees can earn a certificate for 3 hours of Professional Development Credit.
Riklin Auditorium (FS1.406), Downtown Campus

Feb. 9, 11 a.m. - 1 p.m. & 6 - 9 p.m.

Rowdy Gras 2016

The UTSA community is invited to attend the 3rd annual Rowdy Gras celebration! This year Rowdy Gras includes a daytime event from 11 a.m. -1 p.m. with a free food tasting and music on the UC Paseo. The main event takes place from 6 - 9 p.m. in the UC Lawn. The event includes free food, live jazz music, activities and giveaways.
University Center Paseo & Lawn, UTSA Main Campus

Feb. 10, 5:30 p.m.

UTSA College of Architecture, Construction and Planning 2015-16 Speaker Series

The UTSA College of Architecture, Construction and Planning’s 2015-16 Speaker Series continues with Dana Cuff, Ph.D., a professor of architecture and urbanism at the University of California, Los Angeles. In her talk, Cuff will discuss new forms of “studio” and new types of practices. Free and open to the public.
Aula Canaria Lecture Hall (BV 1.328), UTSA Downtown Campus

Feb. 13, 10 a.m. - 5 p.m.

29th annual Asian Festival - Year of the Monkey

The UTSA Institute of Texan Cultures invites Texas and Texans to the Asian Festival. What began as a traditional family reunion for the Chinese New Year has expanded to include other Asian communities and participants, showcasing their unique culture and traditions.
The UTSA Institute of Texan Cultures

Feb. 13, 1 p.m.

2016 Interdisciplinary Studies Colloquium

Join the UTSA Department of Interdisciplinary Learning and Teaching in celebrating interdisciplinary inquiry at the 2016  Interdisciplinary Studies Colloquium.  The colloquium will include a panel of faculty and recent doctoral graduate and a showcase of the best IDS undergraduate inquiry projects of the year 2015. The event is free and open to the public.
Business Building (BB 2.06.04), UTSA Main Campus

Feb. 23, 5:30 p.m.

African-American Social Welfare Pioneers Responding to Community Needs

The UTSA College of Public Policy presents the Dean's Distinguished Lecture Series featuring Dr. Iris Carlton-LaNey, Professor of the School of Social Work at the University of North Carolina-Chapel Hill. Dr. Iris Carlton LaNey will speak to the UTSA community about the role and impact of African-Americans in the social work profession.
Buena Vista Theater (BV 1.326), Downtown Campus

Feb. 23, 7 p.m.

Presentation and Book Signing with Luis Carlos Montalvan

Please join us for a presentation and book signing by Luis Carlos Montalván (Fmr. Capt., USA), author of the New York Times Bestseller Until Tuesday and the international award-winning childrens book Tuesday Tucks Me In. His books will be available for purchase at the UTSA Bookstore. This event is free and open to the public.
Southwest Room (DB 1.124), Downtown Campus

Feb. 25, 6 p.m.

12th Annual Black Heritage Gala

The 12th Annual Black Heritage Gala is a formal event which includes a student performance, keynote remarks by Michael Brown, an award presentation, dinner and dancing. Tickets are $10 for UTSA students and $15 for all other guests. Tickets are on sale now at Roadrunner Express. Contact (210) 458-4770 for more information.
H-E-B University Center Ballroom, Main Campus

Feb. 27, 9 a.m.

Cultural Contrasts in Latin America

The UTSA Institute of Texan Cultures will host a free workshop focusing on teaching Latin American culture and geography for students seeking their teacher certification. The workshop includes free resources for teaching Latin American subject matter as well as presentations on language, identity, music, geography, and political and developmental history, and a special educators’ tour of the museum’s Los Tejanos exhibit. Free with registration.
The UTSA Institute of Texan Cultures (ITC 3.01.02)


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