H&H - Symposium on Improving Building Systems in Hot and Humid Climates

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The proceedings of this symposium are housed in this collection.

This Symposium provides an opportunity to exchange information on technologies, strategies, and programs to improve the efficiency of building systems in hot and humid climate.

The program consists of technical presentations and discussions, highlighted by vision-building plenary session, informative luncheon speakers, and technical sessions with top researchers and practitioners.

For more information, please go to the Hot and Humid website: http://www.hothumidsymposium.org

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Sustaining Long-Term Energy Savings for a Major Texas State Agency Performance Contracting Initiative

Culp, C.; Bou-Saada, T. (Energy Systems Laboratory (http://esl.tamu.edu)Texas A&M University (http://www.tamu.edu), December 2007)

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Abstract:	The Texas Mental Health and Mental Retardation agency, now part of the Texas Health and Human Services Commission, was challenged to deal with regularly deteriorating infrastructure at twentythree large campuses located throughout the state during large statewide budget cuts in 2003. Repair and replacement funding was considerably reduced with costs amounting to more than $250 million. The agency therefore decided to take advantage of new state legislation passed in the prior biennium allowing state agencies to use utility savings performance contracting as a means to replace aging and inefficient equipment. In such contracts, the utility savings will pay for the more efficient equipment cost over a fifteen-year period. The utility savings are measured over the life of the contract in order to ensure the savings stream and maintain the savings guarantee. The agency chose an energy services firm specializing in performance contracting. This company uses a utility bill analysis software tool based on cooling degree-days and heating degree-days. To date, savings have accrued for over two years for the first phase of the project and are presented in this paper for one of the measured electric meters. This paper focuses on the on-going savings stream to demonstrate the importance of continued measurement and verification on a representative meter at the Austin State Hospital located in Austin, Texas. In this paper, the Energy Services Company (ESCO) savings results are compared to savings results calculated from a regression analysis software package using average outdoor air temperature data and actual preand post-retrofit data. The software used as the comparison calculates simple mean, two-parameter (2P), three-parameter (3P) change point, or fourparameter (4P) change point models to be used as the utility baseline. To accurately account for the guaranteed savings, it is necessary to apply detailed as well as practical measurement and verification techniques. The agency continues to work closely with the ESCO to generate a savings persistence program that both parties can effectively put into practice; thus ensuring long-term goals are met.
Description:	The file with the "a" is the PowerPoint presentation given at the Hot and Humid Conference.
URI:	http://hdl.handle.net/1969.1/6305

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CHP: It's Time for Combined Heat and Power

Herweck, R. (Energy Systems Laboratory (http://esl.tamu.edu)Texas A&M University (http://www.tamu.edu), December 2007)

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URI: http://hdl.handle.net/1969.1/6304

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Above Code: What does that mean?

Muns, S. (Energy Systems Laboratory (http://esl.tamu.edu)Texas A&M University (http://www.tamu.edu), December 2007)

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URI: http://hdl.handle.net/1969.1/6303

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Abstract:	Whole-building-electric (WBE) 15-minute interval data is an extremely low-cost, easy approach to reap an immediate reduction in energy consumption. With the advance of lower cost Internet based metering technology integrated with TCP/IP Internet communications, equipment costs and installation issues are not the issues as were in the past. The challenge is to be able to interpret the data and then implement actions to correct operational and equipment problems and anomalies. This paper will address the types of data acquisition equipment and systems available and the different components of a data. Lastly, actual graphs of data will be presented to demonstrate how to dissect and analyze a data set and then implement measures that will optimize operations and maintenance of which will effect a reduction in energy costs.
Description:	The file with the "a" is the PowerPoint presentation given at the Hot and Humid Conference.
URI:	http://hdl.handle.net/1969.1/6306