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#2 EnergyPlus
Open‑source whole‑building energy simulation engine from the U.S. DOE, supporting HVAC, lighting, and renewable systems.
#3 OpenStudio
User‑friendly interface and SDK for EnergyPlus, enabling geometry creation, analysis, and parametric studies.
Graphical front‑end for EnergyPlus with BIM integration, daylighting, CFD, and detailed HVAC system modeling.
Comprehensive performance suite covering energy, daylight, airflow, and thermal comfort with advanced visualization.
Energy analysis plug‑in for Revit and AutoCAD, delivering quick performance feedback and sustainability ratings.
#7 Sefaira
Cloud‑based early‑stage design tool for real‑time energy, daylight, and carbon analysis directly in SketchUp or Revit.
#8 eQuest
User‑friendly DOE‑based simulation platform for rapid whole‑building energy analysis and code compliance.
Industry‑standard software for HVAC load calculation, energy simulation, and system design.
#10 Trane TRACE 700
Advanced HVAC system design and energy analysis tool with detailed equipment libraries and optimization features.
Autodesk’s cloud‑based simulation service for whole‑building energy analysis, carbon reporting, and LEED compliance.
#12 Tally
Revit plug‑in for life‑cycle assessment (LCA) of building materials, integrating embodied carbon into design decisions.
#13 SimaPro
Professional LCA software for detailed environmental impact assessment of building materials and systems.
#14 One Click LCA
Web‑based platform for rapid embodied carbon calculations, material databases, and project‑level reporting.
#15 Ecotect Analysis
Legacy Autodesk tool for daylight, solar, and thermal analysis, still used for quick conceptual studies.
#16 cove.tool
AI‑driven performance platform that automates energy modeling, daylighting, and cost optimization.
Integrated computational fluid dynamics module for detailed airflow and thermal comfort analysis.
#18 BIM 360 Energy
Autodesk’s BIM 360 extension for collaborative energy modeling and performance tracking across project teams.
#19 IES VE Lighting
Specialized lighting analysis engine within IES VE, offering daylight factor, glare, and illuminance mapping.
#20 Energy3D
Free, educational 3‑D building energy simulation tool for quick prototyping and classroom use.
#21 THERM
DOE‑developed 2‑D heat transfer analysis program for building envelope thermal performance.
#22 Radiance
Open‑source lighting simulation suite for accurate daylighting and visual comfort analysis.
Enables SketchUp users to create geometry, assign constructions, and run EnergyPlus simulations directly.
#24 BIMsmith Energy
Cloud‑based energy modeling tool that integrates with Revit and provides automated compliance checks.
#25 IES VE Airflow
Advanced airflow and ventilation analysis module, supporting CFD and multizone modeling.
#26 EnergyModeler
Web platform for rapid whole‑building energy simulation with scenario comparison and reporting.
#27 Simergy
Open‑source interface for EnergyPlus that simplifies model creation and result visualization.
#28 eQuest 3.0
Updated version of eQuest with enhanced user interface and expanded equipment libraries.
#29 Helioscope
Solar PV performance modeling tool for designing and optimizing photovoltaic systems on building façades.
#30 PV*SOL
Comprehensive solar thermal and PV simulation software for building‑integrated renewable energy design.
#31 Energy Lens
AI‑driven platform that predicts building energy use from early design geometry and material choices.
Module that evaluates occupant comfort using adaptive and PMV/PPD models across simulated climates.
Integrates energy performance data into BIM 360 Docs for real‑time monitoring during construction.