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Qualified Software for Calculating Commercial Building Tax Deductions
On this page you'll find a list of qualified computer software for calculating commercial building energy and power cost savings that meet federal tax incentive requirements.
The software satisfies the requirements under Internal Revenue Service (IRS) Code §179D, Notice 2006-52, dated June 2, 2006. See the IRS requirements document for each version of software for details. These are available as Adobe Acrobat PDFs. Download Adobe Reader.
Below you'll also find links to additional information on the software available in DOE's Building Energy Software Tools Directory or from the software vendor.
DOE-2.1E
Calculate whole building energy performance and life-cycle operation costs. Learn more about the software.
- Version 119 IRS Requirements (PDF 74 KB) Received July 2, 2007
DOE-2.1E-JJH
Calculate whole building energy performance and life-cycle operation costs. Learn more about the software.
- Version 130 IRS Requirements (PDF 80 KB) Received Nov. 5, 2007
EnergyGauge Summit
Calculate qualifications for commercial building federal tax deductions, energy code compliance, and LEED building energy performance. Learn more about the software.
- Version 3.1 IRS Requirements (PDF 79 KB) Received Jan. 31, 2007
- Version 3.11 IRS Requirements (PDF 76 KB) Received Aug. 6, 2007
- Version 3.13 IRS Requirements (PDF 76 KB) Received Nov. 23, 2007
- Version 3.14 IRS Requirements (PDF 76 KB) Received Dec. 21, 2007
EnergyPlus
Simulate and model energy flows in buildings, including heating, cooling, lighting, and ventilating. Learn more about the software.
- Version 1.3.0.018 IRS Requirements (PDF 76 KB) Received June 23, 2006
- Version 1.4.0.025 IRS Requirements (PDF 79 KB) Received Nov. 1, 2006
- Version 2.0.0.025 IRS Requirements (PDF 70 KB) Received May 2, 2007
- Version 2.1.0.023 IRS Requirements (PDF 71 KB) Received Dec. 7, 2007
EnerSim
Simulate the potential energy savings of new refrigeration and air-conditioning system technologies.
- Version 07.11.30 IRS Requirements (PDF 70 KB) Received Dec. 6, 2007
Green Building Studio
Combine CAD drawings with energy analysis to calculate energy efficiency and costs early in the design process. Learn more about the software.
- Version 3.0 IRS Requirements (PDF 61 KB) Received Sept. 19, 2007
- Version 3.1 IRS Requirements (PDF 71 KB) Received March 31, 2008
Hourly Analysis Program (HAP)
Simulate HVAC building loads and equipment operations to generate critical information for system design. Learn more about the software.
- Version 4.31 IRS Requirements (PDF 71 KB) Received Aug. 17, 2006
- Version 4.34 IRS Requirements (PDF 71 KB) Received Aug. 10, 2007
Owens Corning Commercial Energy Calculator (OC-CEC)
Demonstrate how performance improvements in metal buildings can result in tax deductions and estimate payback time for thermal efficiency measures. Visit the Owens Corning Web site to learn more.
- Version 1.1 IRS Requirements (PDF 72 KB) Received Aug. 14, 2007
TRACE 700
Assess the economic and energy impacts of various building-related selections using ASHRAE-recommended algorithms. Learn more about the software.
- Version 6.0.2.1 IRS Requirements (PDF 71 KB) Received June 16, 2006
- Version 6.1.0.0 IRS Requirements (PDF 70 KB) Received Dec. 18, 2006
- Version 6.1.1.0 IRS Requirements (PDF 71 KB) Received June 26, 2007
- Version 6.1.2.0 IRS Requirements (PDF 70 KB) Received Nov. 9, 2007
VisualDOE
Construct a model of a building's geometry using standard shapes, a built-in drawing tool, or imported DXF files with this graphical Windows interface to the DOE-2.1E energy simulation program. Learn more about the software.
- Version 4.1 build 0002 IRS Requirements (PDF 70 KB) Received Sept. 11, 2006
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