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EnergyGauge USA Features

EnergyGauge USA was developed specifically to allow the easy and accurate calculation of energy use and demand in residential buildings. In the past, most residential energy analysis tools have used simplified methods to calculate residential building energy performance. EnergyGauge USA takes advantage of personal computer technology and the widely-respected DOE-2.1E software to complete an hourly annual simulation in under 30 seconds. 


EnergyGauge USA
has been thoroughly tested and evaluated. The software has been used to simulate homes that have been monitored in detail in the field with excellent results1 and has been subjected to the HERS BESTEST procedure, also with excellent results.2 The EnergyGauge USA BESTEST Report is on permanent file with RESNET, the nation's Accreditor of HERS Providers and Rater Training Providers. The BESTEST Report is also available online here.

EnergyGauge USA FlaRes 2010 provides the following capabilities:

  • The Standard Version provides Residential Energy Code compliance calculations and reports through the following methods:
    • Performance Method
    • R-Value Method
    • Total UA Method
  • The Sizing Version provides whole house or zoned HVAC equipment sizing in accordance with ACCA Manual J Version 8 procedures.


EnergyGauge USA provides the following general capabilities:

  • Detailed, hourly simulation modeling and reporting using an FSEC-enhanced version of the widely-respected DOE-2.1E building energy simulation program. FSEC enhancements include:3
    • More accurate computation of heating and cooling system part load performance
    • More accurate prediction of indoor air relative humidity
    • Coil airflow and system sizing impact on heat pump and air conditioner performance
    • More accurate ground contact modeling
    • More accurate attic modeling (including attic ventilation/ reflective roofing and radiant barriers) and
    • Detailed hourly modeling of duct heat transfer and air leakage
    • Whole building heating and cooling system sizing
  • Energy code compliance in accordance with the International Energy Conservation Code (IECC) 1998 and IECC 2000 whole-building performance method.
  • Ideal for evaluation of low energy and Zero Energy Building Designs.
  • Hourly prediction of solar electric PV system performance.
  • Hourly prediction of solar hot water heating systems.
  • Hourly prediction of end-use electrical and gas energy consumption for evaluation of peak impacts.

As a Home Energy Rating System (HERS) tool, EnergyGauge USA offers:

In addition, the EnergyGauge USA rating tool offers the following reporting and value-added features:

  • Home Energy Rating Guide report including HERS Scores
  • U.S. EPA Energy Star® Homes qualification analysis
  • Comparison reports for financial economics, building inputs and result outputs
  • Annual summary reports by energy end use and fuel type
  • Monthly energy use and energy cost summary reports
  • Standard DOE-2 reports, including hourly reports

And for Pro versions, EnergyGauge USA software provides the following additional features:

  • State-by-state pollution analysis reports for SOx, NOx, and CO2
  • Automated Energy Efficient Mortgage (EEM) or Energy Improvement Mortgage (EIM) reports (rating version only), including:
    • Fannie Mae/Freddie Mac Form 70A, Part 2 Energy Appraisal Addendum Report.

Footnotes:
  1. Validation of EnergyGauge USA against monitored field data can be accessed on-line at: http://www.fsec.ucf.edu/en/publications/html/FSEC-CR-1670-00/index.htm
  2. Documentation of EnergyGauge USA compliance within the HERS BESTEST can be accessed on-line at: http://www.fsec.ucf.edu/en/publications/html/FSEC-RR-55-00/index.htm
  3. Parker, D. et.al., 1999. "EnergyGauge® USA: A Residential Building Energy Simulation Design Tool", Proceedings of Building Simulation ‘99, International Building Performance Simulation Association, Organizing Committee for the 6th International IBPSA Conference, Department of Architecture Texas A&M University, TX.
    (also online at
    http://www.fsec.ucf.edu/en/publications/html/FSEC-PF-415-99/index.htm)
  4. Judkoff, R. and J. Neymark, 1995. "Home Energy Rating System Building Energy Simulation Test (HERS BESTEST)," Vol. 1 and 2, Report No. NREL/TP-472-7332. National Renewable Energy Laboratory, Golden, Colorado 80401-3393. (These documents also available online at http://www.nrel.gov/publications/.)
 
Florida Solar Energy Center
EnergyGauge® is a registered
U.S. Trademark of the
University of Central Florida (UCF)
1679 Clearlake Road
Cocoa, FL 32922-5703
(321) 638-1492
© FSEC, 2012
All rights reserved
Revised: March 12, 2012