Skip to main content

DesignBuilder

by DesignBuilder Software Ltd

Last updated Mar 29, 2026 · 1 revision

EnergyPlus-based building simulation with intuitive 3D modeling for HVAC thermal performance, daylighting, CFD, and cost analysis.

Media

About This Product

DesignBuilder provides accessible EnergyPlus simulation capabilities through a user-friendly graphical interface. Engineers can perform thermal performance analysis, daylighting studies, comfort evaluations, cost analysis, carbon assessment, and detailed HVAC and CFD simulations. Quick geometry creation tools and data input templates simplify complex HVAC simulation workflows.

Capabilities

How this product is delivered and what's included out of the box.

Mobile app
Not available
Free trial
Yes
Free tier
No
Public API
Yes
Deployment
On Premise

FSH Score Breakdown

Ease of Use
6.0
Features
8.0
Support
5.0
Value
5.5
Integrations
7.5
AI Capabilities
1.5

Customer Reviews

Features

82 features confirmed across 12categories· Showing confirmed capabilities only

Compliance & Safety27features

Energy ModelingThermal performance analysisGeothermal Design CalculationsGround condition modelingAutomated WELL, LEED, And RESET Certification ReportingDesign Load CalculationThermal Bridging AnalysisManual J CalculationsLoads and sizing calculationsASHRAE 90.1 Compliance ModelingAudit Management
Show 19 more
BIT Building CertificationBREEAM ModelingCarbon AnalysisCFD (Computational Fluid Dynamics) AnalysisCode ComplianceCompliance Comparison Against StandardsDaylight and Solar AnalysisExterior Shading InputsHeat Transfer And Solar Gain CalculationsShading AnalysisBuilding Code ComplianceLEED v4 and v4.1 LCA materials credit achievementDuct DesignZone merging and repartitioningIECC ComplianceSBEM and DSM approved versionsNIST Calibration TrackingModel calibrationDOE Energy SimulationCFD simulationPV Solar ModelingLEED modelingAcoustic ModelingCFD simulationDemand VentilationNatural ventilation analysisASHRAE 62 ComplianceLEED and ASHRAE 90.1 compliance assessment

Platform & Customization15features

Third-Party IntegrationOne Click LCA integration for automatic material submissionCustom Scripting SupportPython scriptingCustom TemplatesTemplate systemData ImportgbXML import3D Model Viewing with Revit File Support3D Rendering & Virtual Tours3D SimulationBIM Integration
Show 7 more
BIM Platform InteroperabilityBlock Based Content CreationImport and Export DataDrawing Assistance Extensions for ModelingPlugin ExtensibilityData ExportMaterials inventory spreadsheet exportCustom API AccessPlugin support (C#)

Estimating & Quoting14features

Quoting & EstimatesCost analysis3D Building and Infrastructure DesignBlock And Style LibrariesDesign Markup And ComparisonDesign OptimisationDynamic 3D Modeling And VisualizationHome-by-Home Cost and Benefit EstimationHVAC System Design and Simulation
Show 6 more
Import Building Geometry From Architectural ModelsImport Dwg And Dxf FilesWalls, Doors, and Windows with Real World BehaviorChange OrdersModel change mergingSystem DesignZone merging and repartitioningDigital Takeoff3-D Modeller

Reporting & Analytics13features

ReportingCustomizable reporting for energy consumption, peak load and environmental impactAnalyticsClimate AnalyticsEconomic AnalysisEnergy conservation measures analysisEnergy Model CalibrationDesign Your Own ReportsOperational Building Audit for Baseline SettingOverheating AnalysisParametric Simulation
Show 5 more
Pdf And Excel Report GenerationRadiance Daylighting SimulationThermal Storage Tank ModelingESG & Sustainability ReportingCarbon and LCA performance analysis via One Click LCA databaseReporting Forecastingcarbon emissions forecasting

Technician Management3features

Certification ManagementCertificate generationTraining CoursesOn-demand training coursesChecklistsCarbon assessment

Hardware Features2features

E-Ink Display with Multiple Layouts and ThemesVariable Speed Fan (VFD) Control

Equipment & Asset Management2features

Air Quality MonitoringNatural ventilation assessmentEnergy Management SystemEnergyPlus Energy Management System access

Training & Education2features

Simulation-Based TrainingHVAC simulationIndoor Air Quality (IAQ)thermal comfort assessments

Scheduling & Dispatch1feature

Project ManagementProject management

Customer Communication1feature

Help Desk And Ticketing

AI & Automation1feature

Automation RulesOptimization

Certifications & Standards1feature

Green Star Modeling

Integrations 7 across 2 categories

Productivity 4
ArchiCAD
Autodesk Revit Native
MicroStation
Microsoft Excel Native
Industry-Specific 3
EnergyPlus
MagiCAD
One Click LCA

Pricing

Model
Subscription
Starting at
$1,800/mo
Notes
Subscription licensing ensures access to latest version. Add-on modules available up to GBP 5,000+. Perpetual licenses were previously available starting at GBP 1,500 with 18% annual maintenance. Pricing is per-seat.

Related Products 4 across 1 category

Alternatives & Competitors

IES Virtual Environment Evidence-backed Good
Integrated Environmental Solutions Good match
Why these are related — sources 4
  • linkedin

    “I have not used design builder but feedback is that it get super slow for large models. However IESVE cost is much higher than DB.”

  • reddit

    “IES VE is the best one I’ve handled but it’s definitely not cheap. Second best is DesignBuilder based on EnergyPlus but also expensive.”

  • verdicalgroup.com

    “The most commonly used software for LEED submissions include eQUEST, Trane TRACE, Carrier HAP, DesignBuilder and IES-VE; IES-VE Pro is on the same playing field as Trace 700 and EnergyPlus.”

  • s4btradeally.com

    “With the help of the experts at Heapy Engineering, we compared several of the most popular programs [eQUEST, Carrier HAP, Trane TRACE, DesignBuilder, IES VE], all providing a whole building comparison to a baseline.”

Trane TRACE 3D Plus Evidence-backed Good
Trane Technologies Good match
Why these are related — sources 2
  • verdicalgroup.com

    “The most commonly used software for LEED submissions include eQUEST, Trane TRACE, Carrier HAP, DesignBuilder and IES-VE; IES-VE Pro is on the same playing field as Trace 700 and EnergyPlus.”

  • s4btradeally.com

    “With the help of the experts at Heapy Engineering, we compared several of the most popular programs [eQUEST, Carrier HAP, Trane TRACE, DesignBuilder, IES VE], all providing a whole building comparison to a baseline.”

Carrier HAP Evidence-backed Good
Carrier Global Corporation Good match
Why these are related — sources 2
  • verdicalgroup.com

    “The most commonly used software for LEED submissions include eQUEST, Trane TRACE, Carrier HAP, DesignBuilder and IES-VE; IES-VE Pro is on the same playing field as Trace 700 and EnergyPlus.”

  • s4btradeally.com

    “With the help of the experts at Heapy Engineering, we compared several of the most popular programs [eQUEST, Carrier HAP, Trane TRACE, DesignBuilder, IES VE], all providing a whole building comparison to a baseline.”

eQUEST Evidence-backed Good
DOE / James J. Hirsch & Associates Good match
Why these are related — sources 4
  • reddit

    “DesignBuilder is an excellent recommendation for your needs, DesignBuilder is built on the EnergyPlus simulation engine but provides a much more user-friendly interface compared to eQUEST's dated system.”

  • eng-tips.com

    “eQuest and Designbuilder don't seem to be suitable for load calcs (and I rather not hack around)”

  • verdicalgroup.com

    “The most commonly used software for LEED submissions include eQUEST, Trane TRACE, Carrier HAP, DesignBuilder and IES-VE; IES-VE Pro is on the same playing field as Trace 700 and EnergyPlus.”

  • s4btradeally.com

    “With the help of the experts at Heapy Engineering, we compared several of the most popular programs [eQUEST, Carrier HAP, Trane TRACE, DesignBuilder, IES VE], all providing a whole building comparison to a baseline.”