Building Energy Software Tools
Formerly hosted by US Dept. of Energy    

Total Listed Programs: 155
Energy Grader is your online calculator to get your accurate energy savings potential for your building or project.
  1. Load Calculations
  2. Building Energy Auditing
  3. Building Energy Benchmarking
Last Software Update: 17 March 2016
Last Entry Update:
07 April 2016

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Design and optimization of solar thermal systems, based on the powerful TRNSYS simulation engine.

Detailed hourly-based simulation allows to prevent common design mistakes and to optimize Solar Thermal Systems.

Last Software Update: 30 June 2010
Last Entry Update:
18 June 2015

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TOP-Energy - The Energy Efficiency Software
  1. Parametrics & Optimization
  2. Building Energy Auditing
  3. Detailed Component Simulation
Last Software Update: 05 October 2015
Last Entry Update:
05 October 2015

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Radiance is a suite of programs for the analysis and visualization of lighting and daylighting in design. Mainly developed at the Lawrence Berkeley National Laboratory under DOE funding. Additional development and contributions sponsored by ISE in Germany and EPFL & HSLU in Switzerland.
  1. Parametrics & Optimization
  2. Weather Data & Climate Analysis
  3. Lighting Simulation
Last Software Update: 18 September 2015
Last Entry Update:
17 November 2015

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Xinaps Daylight Ratio Evaluator™ automates daylight requirement checking for building rooms via status checks of daylight area ratios within your BIM model.
  1. Parametrics & Optimization
  2. Lighting Simulation
  3. Other
Last Software Update: 12 April 2016
Last Entry Update:
14 April 2016

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Online software for domestic public school districts (see EnergyCAP Enterprise and Express for other organizations) that need straightforward utility bill tracking, energy management reports and calculation of the cost avoidance attributable to energy management activities.
  1. Utility Bill & Meter Data Analysis
  2. Building Energy Benchmarking
Last Software Update: 13 November 2015
Last Entry Update:
16 December 2015

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Tas is an industry-leading building modelling and simulation tool, capable of performing fast dynamic thermal simulation for the world’s largest and most complex buildings, and allows designers to accurately simulate daylighting and predict energy consumption, CO2 emissions, operating costs and occu
  1. Whole-building Energy Simulation
  2. HVAC System Selection and Sizing
  3. Code Compliance
Last Software Update: 29 July 2015
Last Entry Update:
26 January 2016

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Energy Model Quality Check tool takes the Energy simulation software input and output files as input and generates instant reports on energy model quality of the building as per ASHRAE 90.1 Appendix G standards.
  1. Whole-building Energy Simulation
  2. Model Input Calibration
  3. Building Energy Benchmarking
Last Software Update: 26 April 2016
Last Entry Update:
26 April 2016

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CAN-QUEST is a Canadian adaptation of eQUEST, the popular U.S. building energy simulation software.
  1. Whole-building Energy Simulation
  2. Code Compliance
Last Software Update: 05 October 2015
Last Entry Update:
05 October 2015

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Refrigeration Load Calculation Software
  1. Load Calculations
Last Software Update: 30 June 2010
Last Entry Update:
25 March 2016

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Life cycle analysis tool can be your at hand utility to evaluate the life cycle cost of projects and the payback period for renewable energy equipments, if any, as well.
  1. Life-cycle Analysis
  2. Solar & Photovoltaic Analysis
Last Software Update: 26 April 2016
Last Entry Update:
26 April 2016

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gEnergy brings building simulation to the cloud, using all the features of EnergyPlus on the web, accessible any time, any where.
  1. Whole-building Energy Simulation
Last Software Update: 06 October 2015
Last Entry Update:
06 October 2015

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The National Energy Audit Tool (NEAT) is an easy-to-use yet sophisticated Windows-based software tool designed for use within weatherization-type programs to identify cost-effective energy conservation measures for single-family, site-built homes and small multifamily homes.
  1. Whole-building Energy Simulation
  2. Energy Conservation Measures
  3. Building Energy Auditing
Last Software Update: 10 February 2012
Last Entry Update:
30 October 2015

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SaaS based electrical engineering software designs entire power distribution in a building. 3 inputs (load kVA, load type, & number of poles) for 300 NEC compliant outputs. Saves 40%+ design time and 7%+ energy use. Instantaneous changes up/downstream. Cov'd US Patent #7,636,650.
  1. Load Calculations
  2. Energy Conservation Measures
  3. Code Compliance
Last Software Update: 17 June 2016
Last Entry Update:
17 June 2016

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BlueSol is a software for the design of photovoltaic systems
  1. Load Calculations
Last Software Update: 25 June 2015
Last Entry Update:
05 October 2015

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Sefaira Systems produces high-quality HVAC sizing and energy results directly from architectural Revit and SketchUp models, enabling users to rapidly compare design options and respond to architectural changes quicker than ever before.
  1. Whole-building Energy Simulation
  2. Load Calculations
  3. HVAC System Selection and Sizing
Last Software Update: 28 August 2015
Last Entry Update:
12 October 2015

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SPOT Pro™ is a premier daylighting design and analysis software with two main functions: analyzing the daylighting performance of a given space and optimizing photosensor-based electric lighting control system savings in the presence of daylight.
  1. Lighting Simulation
  2. Other
Last Software Update: 19 April 2016
Last Entry Update:
08 July 2016

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The HVAC ResLoad-J app for the iPad is an ACCA-approved HVAC cooling and heating load calculation app. It performs peak cooling and heating load calcs per ACCA Manual J8 for both residential and lighting commercial buildings.
  1. Load Calculations
  2. HVAC System Selection and Sizing
  3. Code Compliance
Last Software Update: 30 June 2015
Last Entry Update:
08 October 2015

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Cooling Load Calculation Software
  1. Load Calculations
Last Software Update: 30 June 2010
Last Entry Update:
25 March 2016

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LoopLink RLC is powerful, web-based residential/light commercial geothermal design software that allows you to quickly and easily design loopfields for multiple zone, multiple heat pump geothermal systems from anywhere.
  1. HVAC System Selection and Sizing
Last Software Update: 21 September 2016
Last Entry Update:
22 September 2016

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The IES Virtual Environment (IESVE) is a powerful, in-depth suite of building performance analysis tools. It allows the design and operation of comfortable buildings that consume significantly less energy.
  1. Whole-building Energy Simulation
  2. Code Compliance
Last Software Update: 30 June 2010
Last Entry Update:
14 October 2016

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Simulation models for finned-tube heat exchangers with refrigerant circuitry optimization
  1. HVAC System Selection and Sizing
Last Software Update: 30 September 2015
Last Entry Update:
23 October 2015

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Perform detailed calculations for a new piping network to determine required pipe sizes, the critical path in the system for pump sizing, valve pressure drops, and the effects of elevation change.
  1. Other
Last Software Update: 21 September 2012
Last Entry Update:
23 March 2016

Ratings

4
Average: 4 (1 vote)

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SimScale - Engineering Simulation in your browser
  1. Whole-building Energy Simulation
  2. HVAC System Selection and Sizing
  3. Indoor Air Quality Simulation
Last Software Update: 12 October 2016
Last Entry Update:
12 October 2016

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Utility bill tracking and management database with manual bill entry or flat file/EDI import. Optional interface to A/P for bill payment.
  1. Utility Bill & Meter Data Analysis
  2. Building Energy Benchmarking
  3. Other
Last Software Update: 21 October 2014
Last Entry Update:
06 October 2015

Ratings

4.5
Average: 4.5 (2 votes)

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The SEED Platform™ makes it easy to manage and share data on the energy performance of buildings.
  1. Building Energy Benchmarking
Last Software Update: 04 October 2015
Last Entry Update:
10 November 2015

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Simplified energy analysis for homes and low-rise residential buildings. Free. User support no longer available.
  1. Whole-building Energy Simulation
  2. Load Calculations
  3. Utility Bill & Meter Data Analysis
Last Software Update: 29 January 2006
Last Entry Update:
04 January 2016

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FineGREEN is a BIM simulation environment that combines the Building Information Modeling power and user friendliness of the 3D Building interface, with the reliability and accuracy of the EnergyPlus(R) calculation engine.
  1. Whole-building Energy Simulation
  2. Weather Data & Climate Analysis
  3. Detailed Envelope Simulation
Last Software Update: 04 November 2016
Last Entry Update:
05 November 2016

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AGI32 is a three-dimensional lighting design and rendering program for electric lighting and daylight analysis. The software can produce predictive lighting system calculations simultaneously with accurate visualizations for any application of electric lighting and/or daylighting.

  1. Lighting Simulation
Last Software Update: 30 June 2010
Last Entry Update:
18 June 2015

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Ladybug is a free and open source environmental plugin for Grasshopper to help designers create an environmentally-conscious architectural design.
  1. Parametrics & Optimization
  2. Weather Data & Climate Analysis
  3. Other
Last Software Update: 09 November 2015
Last Entry Update:
21 December 2015

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This program is an engineering calculator designed to help engineers calculate air properties, mixed air properties, fluid properties, refrigerant properties, refrigerant line sizing, and contains a ductulator.
  1. Other
Last Software Update: 21 September 2012
Last Entry Update:
23 March 2016

Ratings

3
Average: 3 (1 vote)

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Quick and Easy to Use! Adtek AccuDuct ACCA Approved Manual-D Duct Design Program.
  1. Whole-building Energy Simulation
  2. Load Calculations
  3. HVAC System Selection and Sizing
Last Software Update: 11 November 2016
Last Entry Update:
11 November 2016

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Provides the average underground enclosure (room) and entrance tower air temperatures under the given climatic, soil and room thermal load conditions.
  1. Load Calculations
Last Software Update: 27 February 2015
Last Entry Update:
29 September 2015

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epwmap is an interactive map for EPW weather files.
  1. Weather Data & Climate Analysis
Last Software Update: 03 December 2015
Last Entry Update:
03 December 2015

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Graphical tool that enables sizing of natural ventilation openings based on the Loop Equation Design Method.
  1. Whole-building Energy Simulation
  2. Energy Conservation Measures
Last Software Update: 13 March 2012
Last Entry Update:
10 October 2015

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Adtek AccuComm Commercial HVAC Load Calculations
  1. Whole-building Energy Simulation
  2. Load Calculations
  3. HVAC System Selection and Sizing
Last Software Update: 12 November 2016
Last Entry Update:
12 November 2016

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Pleiades is a powerful user-friendly software environment for building eco-design. It is provides dynamic energy simulations (COMFIE), daylighting and natural ventilation simulations, regulations compliance, HVAC sizing and consumption, etc.
  1. Whole-building Energy Simulation
  2. Parametrics & Optimization
  3. Code Compliance
Last Software Update: 08 April 2016
Last Entry Update:
26 January 2017

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Hippo CMMS is powerful user friendly maintenance management solution. It's an effective tool to streamline work orders, preventive maintenance, manage assets and inventory in facilities.
  1. HVAC System Selection and Sizing
  2. Life-cycle Analysis
  3. Other
Last Software Update: 16 December 2015
Last Entry Update:
16 December 2015

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Energy Suite: Energy Cost Calculator for Buildings is an energy cost calculator that allows you to assess the energy demand for a simple building and calculate annual energy costs.
  1. Whole-building Energy Simulation
  2. Load Calculations
  3. Parametrics & Optimization
Last Software Update: 01 July 2015
Last Entry Update:
07 December 2016

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TRACE 700 Chiller Plant Analyzer software saves time by allowing easy plant configuration comparisons with a detailed wizard.
  1. Life-cycle Analysis
Last Software Update: 15 October 2015
Last Entry Update:
23 March 2016

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