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

Total Listed Programs: 155
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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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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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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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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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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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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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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BSim Follow the external link to BSim for additional description of this tool and ordering.
  1. Whole-building Energy Simulation
  2. Indoor Air Quality Simulation
  3. Detailed Envelope Simulation
Last Software Update: 10 June 2015
Last Entry Update:
01 February 2016

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Perform faster home energy audits. Achieve better conversion rates. Produce accurate results and deliver beautiful reports every time. Snugg Pro is a cloud-based auditing and sales tool for home performance professionals.
  1. Load Calculations
  2. Energy Conservation Measures
  3. Building Energy Auditing
Last Software Update: 23 September 2015
Last Entry Update:
19 October 2015

Ratings

4.5
Average: 4.5 (2 votes)

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eQUEST® is a widely used, time-proven whole building energy performance design tool.
  1. Whole-building Energy Simulation
Last Software Update: 30 June 2010
Last Entry Update:
03 October 2015

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OpenStudio is an open-source SDK (software development kit) for building energy simulation.
  1. Whole-building Energy Simulation
  2. Energy Conservation Measures
  3. Lighting Simulation
Last Software Update: 30 September 2015
Last Entry Update:
15 December 2015

Ratings

5
Average: 5 (1 vote)

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TRACE™ 700 is an award-winning design-and-analysis software program that helps HVAC professionals optimize the design of a building’s heating, ventilating and air-conditioning system based on energy utilization and life-cycle cost.
  1. Whole-building Energy Simulation
  2. Indoor Air Quality Simulation
  3. Life-cycle Analysis
Last Software Update: 15 October 2015
Last Entry Update:
23 March 2016

Ratings

4
Average: 4 (1 vote)

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Software for design of vertical borehole-type ground loop heat exchangers used in geothermal heat pump systems.
  1. HVAC System Selection and Sizing
Last Software Update: 09 December 2014
Last Entry Update:
03 October 2015

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Commercial Building Energy Saver (CBES), intended use for small and medium office and retail buildings in California, provides energy benchmarking and three levels of retrofit analysis considering the project goal, data availability, and user experience.
  1. Whole-building Energy Simulation
  2. Model Input Calibration
  3. Energy Conservation Measures
Last Software Update: 06 July 2015
Last Entry Update:
05 October 2015

Ratings

5
Average: 5 (8 votes)

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ESP-r is a whole building energy simulation program for integrated modelling of building energy performance. The primary application of the program is to support researchers undertaking detailed studies.
  1. Whole-building Energy Simulation
Last Software Update: 31 January 2016
Last Entry Update:
16 March 2016

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0
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Raw heating and cooling degree days, and temperature data API from UK and Worldwide weather stations.This service is available as an annual or monthly subscription or software / reporting integration for individual Weather Stations or for all UK Stations.
  1. Utility Bill & Meter Data Analysis
  2. Weather Data & Climate Analysis
  3. Building Energy Benchmarking
Last Software Update: 12 August 2015
Last Entry Update:
06 October 2015

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Urbawind is a software to compute wind effects in urban areas - Urban design - Energy efficiency
  1. Load Calculations
  2. Weather Data & Climate Analysis
  3. Indoor Air Quality Simulation
Last Software Update: 26 February 2016
Last Entry Update:
26 February 2016

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EP-Quick creates input files for many different buildings using built in templates for the shape and zone layout.
  1. Whole-building Energy Simulation
Last Software Update: 02 January 2010
Last Entry Update:
02 October 2015

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FREE bin-weather modeling software provide accurate energy savings and penalties within seconds through your browser.
  1. Energy Conservation Measures
  2. Weather Data & Climate Analysis
  3. Building Energy Auditing
Last Software Update: 01 September 2015
Last Entry Update:
10 October 2015

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Free open-source library with dynamic simulation models for building and district energy and control systems
  1. Whole-building Energy Simulation
  2. Indoor Air Quality Simulation
  3. Detailed Component Simulation
Last Software Update: 13 July 2015
Last Entry Update:
16 December 2015

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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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0
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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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0
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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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0
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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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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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CONTAM is a multizone airflow and contaminant transport software. CONTAM 3.2 is the latest version of the software based upon the original work by James Axley and George Walton during their time at NIST.
  1. Whole-building Energy Simulation
  2. Indoor Air Quality Simulation
Last Software Update: 04 September 2015
Last Entry Update:
17 December 2015

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The ECBC App is a handy mobile/tablet application for building energy professionals.
  1. HVAC System Selection and Sizing
  2. Energy Conservation Measures
  3. Code Compliance
Last Software Update: 07 February 2016
Last Entry Update:
26 April 2016

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N++ is a building energy modeling interface from ExpertApp based on the latest version of the EnergyPlus whole-building energy simulation engine (V8.3).
  1. Whole-building Energy Simulation
  2. HVAC System Selection and Sizing
  3. Parametrics & Optimization
Last Software Update: 12 December 2014
Last Entry Update:
10 October 2015

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PRIMERO-Comfort is based on the dynamic simulation program EnergyPlus software for the evaluation and optimization of thermal comfort and the resulting cooling energy demand in a single room.
  1. Parametrics & Optimization
  2. Ratings and Certificates
  3. Weather Data & Climate Analysis
Last Software Update: 26 July 2016
Last Entry Update:
18 August 2016

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Looplink PRO is simple, powerful, web-based ground loop design software you can use for just $50/month. Specifically engineered for commercial geothermal designers, LoopLink PRO can handle projects from simple single building block loads all the way up to multi-building/multi-zone campuses.
  1. HVAC System Selection and Sizing
  2. Other
Last Software Update: 16 September 2016
Last Entry Update:
22 September 2016

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The nation's largest dataset of information about the energy-related characteristics of commercial and residential buildings. US Department of Energy (DOE) [email protected] 202.287.1694 http://www.energy.gov/eere/buildings/building-energy-modeling
  1. Energy Conservation Measures
  2. Building Energy Auditing
  3. Building Energy Benchmarking
Last Software Update: 05 November 2015
Last Entry Update:
06 November 2015

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The Hancock Energy Efficiency Cloud is a suite of apps used to manage C&I, lighting, ASHRAE Level I and II energy audits.
  1. Energy Conservation Measures
  2. Code Compliance
  3. Building Energy Auditing
Last Software Update: 31 October 2016
Last Entry Update:
05 November 2016

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THERM is a two-dimensional conduction heat-transfer analysis program based on the finite-element method, which can model the complicated geometries of building products.
  1. Detailed Envelope Simulation
  2. Detailed Component Simulation
Last Software Update: 08 October 2015
Last Entry Update:
06 November 2015

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Adtek AccuLoad is Quick and easy to use ACCA Approved Manual-J Residential Load Calculation 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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Honeybee connects Grasshopper3D to EnergyPlus, Radiance, Daysim and OpenStudio for building energy and daylighting simulation.The Honeybee project intends to make many of the features of these simulation tools available in a parametric way.
  1. Whole-building Energy Simulation
  2. Parametrics & Optimization
  3. Lighting Simulation
Last Software Update: 09 November 2015
Last Entry Update:
21 December 2015

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Adtek Energy Analyzer performs energy comparisons of up to 4 different HVAC systems.
  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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<a href="http://www.hippocmms.com/industries/">Hippo CMMS</a> is a powerful, affordable, and user-friendly web-based maintenance management solution.
  1. HVAC System Selection and Sizing
  2. Model Input Calibration
  3. Other
Last Software Update: 13 December 2015
Last Entry Update:
13 December 2015

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ESBO (Early Stage Building Optimization) is a simulation tool for building design optimization based on EQUA’s building performance software IDA Indoor Climate and Energy (IDA ICE).
  1. Whole-building Energy Simulation
  2. Load Calculations
  3. HVAC System Selection and Sizing
Last Software Update: 05 December 2016
Last Entry Update:
06 December 2016

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Tool for evaluation: energy efficiency ( electricity, wáter, fuel oil, etc...), CO2, H2O, Savings, abatement curves in Buildings of Institutions (Health Care, University, Army Forces, School, Government, etc.)
  1. Utility Bill & Meter Data Analysis
  2. Building Energy Auditing
  3. Building Energy Benchmarking
Last Software Update: 17 December 2015
Last Entry Update:
02 January 2017

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Energy Hippo provides the premier energy management application for multi-user, multi-permission environments. The internet-based software platform integrates disparate processes, energy management systems, and equipment into an enterprise-wide network for monitoring and controlling energy assets.
  1. Energy Conservation Measures
  2. Utility Bill & Meter Data Analysis
  3. Building Energy Benchmarking
Last Software Update: 15 September 2016
Last Entry Update:
30 March 2017

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