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1 EXECUTIVE SUMMARY This is the first annual report by the Energy Systems Laboratory, which covers the Laboratory's efforts to support Senate Bill 5. In this report the accomplishments and progress to date are presented, along with recommendations, issues encountered to date and what is needed to fulfill the Laboratory's responsibilities. A section of this(More)
Four areas in Texas have been designated by the United States Environmental Protection Agency (EPA) as non-attainment areas because ozone levels exceed the National Ambient Air Quality Standard (NAAQS) maximum allowable limits. These areas face severe sanctions if attainment is not reached by 2007. Four additional areas in the state are also approaching(More)
Since 2001, Texas has been proactive in initiating clean air and energy efficiency in building policies. The Texas Emissions Reduction Plan legislation (SB 5, 77 TH Leg., 2001) mandates statewide adoption of energy codes, creates a 5% annual energy savings goal for public facilities in affected counties through 2007 and provides approximately $150 million(More)
For low-rise buildings, the heat loss through the ground coupled floor is a significant load component. Studies showed that the current simulation tools give dissimilar results for the ground coupled heat transfer (GCHT) in slab-on-grade constructions. This paper extends the previous comparative work by comparing EnergyPlus and DOE-2.1e results for GCHT(More)
In the Fall of 2002 ASHRAE published Guideline 14-2002 to fill a need for a standard set of energy (and demand) savings calculation procedures. Guideline 14-2002 is intended to be a guideline that provides a minimum acceptable level of performance in the measurement of energy and demand savings from energy management projects applied to residential,(More)
In many states building code officials rely on certified, code-compliant simulations to determine whether or not a residence satisfies the energy code requirements using a performance-path analysis. In the United States, certification of residential code-complaint software is performed by the Residential Energy Services Network (RESNET). Unfortunately,(More)
The Measurement & Verification (M&V) process has evolved in the last 15 years to provide a high confidence approach for determining the resulting savings from a variety of retrofits and energy efficiency enhancements. M&V has a dual role. First, it quantifies the savings being obtained. Since the persistence of savings has been shown to decrease with time,(More)