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Construction InfrastructureTop 10 Best Daylighting Calculation Software of 2026
Top 10 Daylighting Calculation Software for 3D daylighting analysis. Ranking covers DIALux evo, AGi32, Daysim and key model outputs.
How we ranked these tools
Core product claims cross-referenced against official documentation, changelogs, and independent technical reviews.
Analyzed video reviews and hundreds of written evaluations to capture real-world user experiences with each tool.
AI persona simulations modeled how different user types would experience each tool across common use cases and workflows.
Final rankings reviewed and approved by our editorial team with authority to override AI-generated scores based on domain expertise.
Score: Features 40% · Ease 30% · Value 30%
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Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
DIALux evo
Daylight analysis with configurable sky and sun models plus illuminance map outputs
Built for architects and lighting analysts validating daylight performance in BIM-like workflows.
AGi32
Editor pickRadiation-based daylighting calculation workflow with customizable sensor grids
Built for teams validating interior daylight performance through repeatable scenario studies.
Daysim
Editor pickAnnual daylighting simulations using climate based inputs for interior illuminance assessment
Built for architects and lighting engineers running design iterations with robust daylight metrics.
Related reading
- Construction InfrastructureTop 10 Best Daylighting Software of 2026
- Construction InfrastructureTop 10 Best Daylight Simulation Software of 2026
- Construction InfrastructureTop 10 Best Architectural Lighting Design Software of 2026
- Construction InfrastructureTop 10 Best Daylight Analysis Software of 2026
Comparison Table
This comparison table maps daylighting calculation software across integration depth, including import and export pathways for geometry, materials, and climate data. It also contrasts each tool’s data model and schema, automation and API surface for batch runs, and admin and governance controls such as RBAC and audit logs. The goal is to surface tradeoffs in extensibility, configuration, and throughput for 3D daylighting analysis workflows.
DIALux evo
desktop simulationPerforms daylighting calculations using daylight factor and dynamic simulation workflows for interior and exterior lighting design.
Daylight analysis with configurable sky and sun models plus illuminance map outputs
DIALux evo integrates 3D scene setup with daylight and lighting calculations inside one workflow for interior and exterior studies. It can run daylight factor style analyses and also uses advanced sky and sun modeling to represent time and orientation effects more realistically. The software supports project templating and variant comparisons using illuminance and distribution outputs, which helps standardize review across multiple design options.
A practical tradeoff is that accurate daylight results depend on correct geometry, surface properties, and weather or sky assumptions, so users often need extra modeling time before running final calculations. This tool fits best when a team iterates façade, window, and interior layouts and needs repeatable daylight metrics across those changes. It also suits projects that require both distribution views and comparison outputs for design review and documentation.
- +Integrated daylight calculations from model, materials, and glazing setup
- +Strong sky and sun configuration for interior and exterior studies
- +Clear visual outputs for illuminance fields and daylight metrics
- –Workflow setup for complex scenes can feel technical
- –Material parameter fidelity can require careful input management
- –Results customization has a learning curve for consistent reporting
Architectural design teams
Compare window layouts with illuminance outputs
Faster design decision cycles
Lighting engineers
Model sky and sun for interiors
More defensible daylight assessments
Show 2 more scenarios
Facade consultants
Assess exterior daylighting under sun
Identified worst-case periods
Daylighting studies incorporate orientation and sky conditions to evaluate façade performance impacts.
Project coordinators
Standardize templates across multiple studies
Reduced review rework
Project templating helps reuse calculation setups and compare results across similar deliverables.
Best for: Architects and lighting analysts validating daylight performance in BIM-like workflows
More related reading
AGi32
architectural lightingSupports detailed daylighting calculations for architectural lighting analysis using ray-tracing methods and report generation.
Radiation-based daylighting calculation workflow with customizable sensor grids
AGi32 targets daylighting calculations using a geometry-first workflow that supports window, shading, and room setup for iterative façade and atrium studies. It links optical and radiation-based assumptions to the daylighting model, which helps teams keep climate and material inputs consistent across scenarios.
The output set emphasizes daylight metrics and scenario comparison, supported by visualization for sun-position sweeps and glazing condition changes. A key tradeoff is that detailed geometry setup is required to get dependable results, which can slow early concept exploration without streamlined model templates.
This tool fits teams that need repeatable daylight analysis during design development, such as comparing multiple glazing types and internal target levels across floor plates. It also supports workflows that transition from early studies to more detailed radiation and material assumptions for later façade refinement.
- +Radiation-driven daylighting calculations with multiple analysis outputs
- +Detailed geometry and sensor layouts for interior and facade studies
- +Scenario comparisons supported through structured results reporting
- –Setup requires careful modeling to avoid misleading daylight metrics
- –Workflow complexity can slow iterations versus simpler calculator tools
- –Result interpretation benefits from lighting domain experience
Façade design engineers
Iterate glazing and shading options
Faster façade option narrowing
Architectural designers
Evaluate atrium daylight performance
Clear massing daylight direction
Show 2 more scenarios
Sustainability analysis leads
Keep climate assumptions aligned
More defensible daylight inputs
Reuses radiation-based material and climate assumptions to maintain consistency across daylight scenarios.
Building performance consultants
Produce reportable scenario comparisons
Audit-ready daylight documentation
Generates visualization and metric outputs for comparing rooms and glazing conditions across iterations.
Best for: Teams validating interior daylight performance through repeatable scenario studies
Daysim
annual simulationSimulates annual daylight availability and daylight autonomy using climate data and advanced dynamic sky models.
Annual daylighting simulations using climate based inputs for interior illuminance assessment
Daysim focuses on daylighting calculation workflows that combine sky and climate data with radiation based simulation results for complex interiors. The tool supports daylight metrics like illuminance distributions and annual daylight exposure using established radiance style ray tracing concepts.
It also emphasizes interactive review of design inputs such as glazing, shading, and geometry so teams can iterate toward performance targets. Integration with common CAD and simulation pipelines makes it practical for architectural and lighting analysis projects.
- +Generates daylight metrics from detailed geometry and glazing definitions
- +Supports annual style simulations for climate driven daylight performance
- +Produces clear illuminance distribution outputs for room level decision making
- +Facilitates iterative workflow when adjusting shading and fenestration
- –Setup requires careful model preparation for reliable results
- –Scene complexity can increase computation time for full annual studies
- –Limited guidance for troubleshooting simulation settings compared with larger suites
Architectural daylight analysts
Model complex interiors with glazing options
Refined glazing performance targets
Façade and shading engineers
Evaluate shading and orientation tradeoffs
Lower glare risk zones
Show 2 more scenarios
Sustainable design consultants
Assess annual daylight metrics for certification
Measurable annual daylight evidence
Generates daylighting indicators from ray tracing style workflows for long-term compliance documentation.
Lighting design team leads
Iterate geometry during concept reviews
Faster design decision cycles
Supports interactive review of design inputs so teams can iterate toward target daylight outcomes quickly.
Best for: Architects and lighting engineers running design iterations with robust daylight metrics
ecotect
building analysisProvides daylighting analysis inputs and simulation-ready geometry workflows for early-stage building performance studies.
Daylight factor analysis with configurable sky model inputs
Ecotect Analysis stands out with a tightly integrated workflow for modeling building geometry and then running daylight-related studies. It supports daylight factor calculations and sky modeling using detailed weather and sky inputs, which helps validate design intent early.
Results can be visualized through sun and shading behavior analysis, aiding iterative facade and massing decisions. The tool fits best when daylighting calculations are part of a broader environmental simulation workflow in the Autodesk ecosystem.
- +Daylight factor calculations with controllable sky models
- +Sun path and shading studies for facade and massing tuning
- +Solid environmental workflow that complements other simulation tasks
- –Daylighting workflows require careful setup to avoid misleading inputs
- –Visual result navigation can feel technical for quick iteration
- –Limited specialized daylighting reporting compared with dedicated tools
Best for: Design teams running daylight studies inside a broader environmental simulation workflow
Insight 360
cloud daylightingAutomates daylighting and energy analysis of building design options using cloud-based simulation and reporting.
Glare and daylight performance outputs combined in a single review workflow
Insight 360 focuses on daylighting analysis workflows that connect project geometry with lighting results for architectural and facade decisions. The tool supports glare and daylight performance outputs, including metrics used in daylighting design such as daylight factor style indicators and related compliance-oriented views. Visualization is geared toward iterative design review so teams can compare conditions across options without leaving the analysis context.
- +Workflow-centered daylighting analysis geared for iterative design reviews
- +Supports multiple daylight and glare performance outputs used in practice
- +Clear visualization helps stakeholders evaluate options beyond raw charts
- –Set-up of models and sensor locations can take meaningful effort
- –Advanced custom control requires deeper lighting-analysis understanding
- –Large complex projects may increase iteration time during tweaking
Best for: Architectural teams running repeatable daylighting studies with visual comparison
Sefaira
daylight analysisComputes daylight and energy performance using rule-based and simulation-based methods integrated into design workflows.
Glare and daylight availability reporting tied to the model’s geometry and inputs
Sefaira is distinct for daylighting workflows that connect model geometry with climate context and actionable lighting outputs. The tool focuses on daylight calculations that help evaluate daylight availability, glare risk, and window shading performance from building massing through early design iterations.
Its workflow supports iterative comparisons across options, which supports design decision-making without requiring manual post-processing of daylight metrics. Sefaira also provides visual review outputs that make it easier to spot problem zones and prioritize fixes.
- +Ties daylight results to building form and envelope assumptions for faster iteration
- +Outputs include glare and daylight availability indicators for early design decisions
- +Supports option comparisons to converge on window placement and shading strategies
- +Workflow emphasizes visual interpretation of daylight metrics in context
- –Daylighting accuracy depends heavily on correct material and climate inputs
- –Advanced daylight modeling flexibility can feel limited versus specialist tools
- –Large models may slow down iterative runs during active concepting
- –Results still require expert review to avoid misinterpreting comfort metrics
Best for: Architects evaluating daylight performance and glare during concept and schematic design
Velux Daylight Visualizer
configurator simulationEstimates daylight penetration and visual outcomes using simplified daylighting modeling tied to window configurations.
Guided daylight visualization workflow with VELUX window and skylight inputs
VELUX Daylight Visualizer stands out by turning a daylighting check into a guided visual workflow built around product-referenced inputs. The tool generates clear sky and scene-based daylight visualizations to communicate daylight distribution for concept studies. It focuses on quick feasibility rather than full building-wide simulation depth, making it most useful for early design iterations.
- +Fast visual daylight outputs for early design reviews
- +Product-referenced inputs simplify glazing and opening assumptions
- +Clear scene-based views help stakeholders understand daylight distribution
- +Guided workflow reduces setup time for concept feasibility checks
- –Limited to daylight visualization tasks, not full simulation pipelines
- –Best results depend on using the intended product and input workflow
- –Less suitable for complex whole-building energy and glare studies
- –Export and advanced reporting options are not the primary focus
Best for: Early-stage design teams validating daylight concepts with VELUX product assumptions
OpenStudio
open simulationSupports daylighting-focused building simulation through integrations that use daylight calculation engines and analysis outputs.
Integrated Radiance-driven daylighting analysis for illuminance and daylighting performance metrics
OpenStudio focuses on daylighting workflows for building performance modeling using Radiance-based simulation via integrated analysis tools. It supports scene setup, material and glazing definition, and ray-traced daylight metrics such as illuminance, daylight autonomy, and glare-related outputs depending on workflow modules.
The tool is designed for iterative evaluation of design alternatives, including common daylighting studies like facade and interior configurations. Distinctiveness comes from pairing a user-facing modeling and analysis environment with established lighting simulation technology.
- +Radiance-based daylighting simulation support through integrated analysis workflows
- +Daylight metrics support includes illuminance-based and autonomy-style outputs
- +Iterative design comparison supports repeated scenario testing
- –Workflow setup can be complex for accurate geometry and material inputs
- –Learning curve is higher than turnkey daylight calculators for typical studio users
- –Project management and documentation features are lighter than full BIM authoring tools
Best for: Teams needing reliable daylight calculations with Radiance-style depth
OpenStudio EnergyPlus extensions
daylight in energyEnables daylighting-related calculations by combining EnergyPlus lighting controls, sky models, and reporting workflows.
Extension-driven EnergyPlus workflow automation for daylighting studies
OpenStudio EnergyPlus extensions stand out by pairing EnergyPlus daylighting model workflows with reusable extension components from the OpenStudio ecosystem. Core capabilities center on automating inputs for EnergyPlus lighting and daylight calculations, then running simulations that produce daylight performance outputs such as illuminance and daylight metrics.
The extensions focus on integrating with the EnergyPlus toolchain rather than providing a separate, fully proprietary daylighting engine. This approach supports repeatable workflows for projects that already use EnergyPlus for energy and daylight analysis.
- +Leverages EnergyPlus daylighting calculations with extension-based workflow automation
- +Reuses OpenStudio components to speed up model setup for daylight studies
- +Supports repeatable simulation runs across similar building variants
- +Works well for teams already using EnergyPlus for energy modeling
- –Setup depends on correct EnergyPlus configuration and model definitions
- –Daylighting output mapping can require technical interpretation
- –UI guidance for daylight-specific assumptions is limited compared to niche tools
Best for: Teams using EnergyPlus who need repeatable daylight simulation workflows
Phoenics
radiation modelingProvides simulation tools that can be used for daylighting-related optical and radiation modeling workflows.
Radiosity-based daylighting calculation integrated with optical ray-tracing in Phoenics
Phoenics focuses daylighting calculations through radiosity and ray-tracing workflows built for optical and building-related simulations. It supports scene-based inputs, material optical properties, and view-dependent lighting outputs needed for daylight performance studies.
The tool is strongest when users can define accurate geometries and surface reflectances for meaningful results. Reporting emphasizes photometric daylight metrics derived from the chosen lighting model and simulation settings.
- +Radiosity and ray-based daylighting workflows for scene lighting realism
- +Material optical property handling supports more physically grounded results
- +Detailed geometry-driven outputs for glare and illumination analysis
- –Setup and model validation require more CFD-style discipline than turnkey tools
- –Workflow complexity increases when iterating on design alternatives
- –Daylighting results depend heavily on accurate inputs and meshing choices
Best for: Teams needing physically modeled daylighting with strong geometry and materials control
Conclusion
After evaluating 10 construction infrastructure, DIALux evo stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
How to Choose the Right Daylighting Calculation Software
This buyer's guide covers DIALux evo, AGi32, Daysim, ecotect, Insight 360, Sefaira, VELUX Daylight Visualizer, OpenStudio, OpenStudio EnergyPlus extensions, and Phoenics for 3D daylighting analysis. It focuses on integration depth, the underlying data model used to represent geometry and optics, and automation and API surface for repeatable daylighting studies.
The guide also maps common failure modes that show up when geometry, materials, sky models, and sensor grids are not controlled tightly. For teams doing interior and exterior daylighting with time and orientation effects, the guide highlights where each named tool is strongest.
Daylighting calculation tools that turn 3D geometry into glare and illuminance outputs
Daylighting calculation software converts 3D scene geometry, glazing, surface properties, and sky or climate inputs into daylight metrics like illuminance distributions, daylight factor outputs, annual daylight availability, and glare indicators. Tools like DIALux evo and AGi32 support these calculations in workflows that include scene setup and analysis outputs that teams can compare across design variants.
This software category solves two recurring problems. It creates repeatable daylight results from consistent scene definitions. It also provides visualization and reporting that link daylight or glare outcomes back to modeling inputs so teams can iterate with fewer manual handoffs.
Evaluation criteria for daylighting engines and model pipelines
Daylighting results depend on how each tool represents the data model for geometry, materials, glazing, and analysis devices like sensor grids or analysis points. Integration depth matters because daylight studies rarely end at a single model export. Teams need the analysis workflow to connect cleanly to CAD, environmental simulation, and design variant management.
Automation and API surface also determine throughput. When repeatable configuration and provisioning are required, tools like OpenStudio EnergyPlus extensions shift the workflow toward automation that rides on an existing EnergyPlus toolchain.
Integration depth across modeling and simulation workflows
DIALux evo runs daylight factor style analyses and time or orientation effects inside one workflow that includes 3D scene setup and illuminance outputs. ecotect and OpenStudio slot into broader environmental simulation workflows, with ecotect positioned inside the Autodesk ecosystem and OpenStudio pairing an analysis environment with Radiance-style engines.
Explicit daylight data model for geometry, materials, glazing, and analysis devices
AGi32 uses a geometry-first workflow that includes radiation-driven daylighting calculations and customizable sensor grids. Phoenics emphasizes scene inputs with material optical properties and view-dependent outputs that depend on correct optical material handling.
Automation and API surface for repeatable variant studies
OpenStudio EnergyPlus extensions automate daylighting-related inputs and simulation runs by combining EnergyPlus daylighting model workflows with extension components from the OpenStudio ecosystem. This approach supports repeatable simulation across building variants when EnergyPlus configuration is already managed programmatically.
Sky, sun, and climate input control for interior and exterior time effects
DIALux evo includes configurable sky and sun models for interior and exterior studies and exports illuminance map outputs. Daysim focuses on annual daylight availability and daylight autonomy using climate data and dynamic sky models.
Governance controls for repeatability, auditability, and team workflows
Even without named enterprise governance features in the reviewed list, governance needs show up as project templating, variant comparisons, and consistent reporting configurations. DIALux evo supports project templating and variant comparisons using illuminance and distribution outputs, which reduces drift when multiple analysts iterate on façade, window, and interior layouts.
Reporting outputs that combine daylight and glare indicators in one workflow
Insight 360 combines glare and daylight performance outputs in a single review workflow designed for iterative design comparisons. Sefaira also ties glare and daylight availability indicators to the model geometry and climate context, which supports faster early concept decisions without manual post-processing.
Pick the daylight engine that matches the scene control level and automation needs
Start by matching the required output type to the engine workflow. DIALux evo and ecotect emphasize daylight factor and sky modeling workflows, while Daysim focuses on annual daylight availability using climate inputs.
Then match the workflow control level to the team pipeline. AGi32 and Phoenics require careful geometry and optics discipline, while OpenStudio and OpenStudio EnergyPlus extensions fit teams that already operate an EnergyPlus or Radiance-style simulation toolchain with repeatable automation.
Define the daylight metrics to drive decisions
If decisions require daylight factor style indicators plus interior and exterior illuminance distributions, DIALux evo and ecotect fit because they support daylight factor calculations and sky modeling tied to 3D scene geometry. If decisions require annual daylight performance like daylight autonomy and daylight availability, Daysim is built around climate-based annual simulations.
Choose the engine workflow based on how geometry and sensor layouts are managed
For teams that want radiation-driven daylighting with customizable sensor grids and structured scenario reporting, AGi32 supports repeatable interior and façade studies when geometry and sensor layouts are controlled. For teams prioritizing physically grounded optical behavior with material optical properties, Phoenics supports radiosity and ray-tracing daylighting workflows that depend heavily on geometry, reflectances, and model validation discipline.
Match sky, sun, and climate control to time and orientation requirements
For studies needing configurable sky and sun modeling with time or orientation effects, DIALux evo provides configurable sky and sun plus illuminance map outputs. For studies where climate-driven seasonal variation matters, Daysim supports annual simulations built on climate data and dynamic sky models.
Validate integration depth against the existing toolchain
If the project pipeline is Autodesk-centered and daylight calculations must sit inside a broader environmental workflow, ecotect fits with its modeling and daylight study workflow. If the pipeline already runs EnergyPlus for daylighting and energy, OpenStudio EnergyPlus extensions fit because they automate daylight-related inputs and runs through EnergyPlus workflows and reusable OpenStudio extension components.
Decide how automation and governance should be enforced for variants
If variant comparisons require standardized outputs and repeatable reporting, DIALux evo supports project templating and variant comparisons with illuminance and distribution outputs. If automation must be driven through a simulation toolchain, OpenStudio EnergyPlus extensions support repeatable simulation runs across building variants while still relying on EnergyPlus configuration correctness.
Plan for setup cost and troubleshooting depth based on workflow complexity
For teams that can allocate modeling time to ensure geometry and material fidelity, AGi32 and Phoenics support detailed daylighting calculations that depend on careful setup. For teams that need guided early-stage visualization with product-referenced assumptions, VELUX Daylight Visualizer focuses on fast concept feasibility and daylight visualization rather than full building-wide simulation depth.
Which teams get better results from each daylighting calculation tool
Tool selection depends on the stage of design and the level of modeling control available. It also depends on whether daylighting must be delivered as annual performance and glare risk or as daylight factor and feasibility visuals.
The segments below map directly to the listed best-for audiences and the workflows each tool emphasizes.
Architects and lighting analysts validating daylight performance in BIM-like workflows
DIALux evo fits because it integrates 3D scene setup with daylight calculations for interior and exterior studies and exports illuminance maps and daylight metrics suitable for design review. It also supports project templating and variant comparisons that reduce drift as façade, window, and interior options change.
Teams validating interior daylight performance using repeatable scenario studies
AGi32 fits because it uses radiation-driven daylighting calculations with customizable sensor grids and structured scenario reporting that supports repeated glazing and shading comparisons. It is designed for iterative scenario studies where geometry and optical assumptions are kept consistent across variants.
Architects and lighting engineers running climate-driven design iterations
Daysim fits because it runs annual daylighting simulations based on climate data and dynamic sky models. It outputs daylight illuminance distributions and annual daylight exposure metrics that support interior performance targets over time.
Design teams running daylight studies inside a broader environmental simulation workflow
ecotect fits because it provides daylight factor calculations with controllable sky models and supports sun path and shading studies for façade and massing tuning in an environmental workflow context. OpenStudio fits when Radiance-style daylighting depth is required with illuminance and autonomy-style outputs.
Early-stage concept teams prioritizing glare and daylight indicators in review workflows
Sefaira fits because it ties daylight results to building form and envelope assumptions and provides glare and daylight availability indicators tied to geometry and climate context. Insight 360 also fits because it combines glare and daylight performance outputs in a single review workflow for visual comparison across options.
Daylighting calculation pitfalls that break repeatability
Across these tools, the most frequent issues come from inconsistent geometry, incomplete material or optical inputs, and uncontrolled sky or climate assumptions. Another recurring pitfall is choosing a tool whose workflow depth does not match the requested daylight metric type.
The fixes below name the tools that best avoid each failure mode.
Using detailed geometry with weak sky and sun configuration control
DIALux evo and ecotect both rely on correct sky assumptions for daylight factor style outputs and shading results. Standardize sky and sun configuration when running façade and interior variants in DIALux evo to keep illuminance map outputs consistent across design options.
Running early iterations without a sensor grid and repeatable measurement layout
AGi32 supports customizable sensor grids, but dependable results require careful setup of geometry and sensor layouts. Lock sensor grid definitions before comparing glazing types and shading strategies in AGi32 to prevent misleading daylight metrics.
Switching between daylight types without matching the engine to the metric requirement
Daysim outputs annual daylighting metrics tied to climate-based inputs, while VELUX Daylight Visualizer focuses on fast daylight feasibility visualization tied to window configurations. Use Daysim for annual daylight autonomy and daylight availability and use VELUX Daylight Visualizer for early concept checks using VELUX product-referenced assumptions.
Assuming EnergyPlus-driven daylight automation works without EnergyPlus model correctness
OpenStudio EnergyPlus extensions automate daylight-related inputs and reporting through EnergyPlus workflows. If EnergyPlus daylighting model definitions and configuration are not correct, the mapped daylight performance outputs can be misleading, so treat EnergyPlus configuration as part of the daylighting pipeline when using OpenStudio EnergyPlus extensions.
Overbuilding physically detailed optics without disciplined optical material validation
Phoenics provides radiosity and optical ray-tracing daylighting workflows that depend on accurate geometry and surface reflectances. Validate optical inputs and meshing discipline before iterating on design alternatives in Phoenics to avoid geometry-driven artifacts in glare and illumination outputs.
How We Selected and Ranked These Tools
We evaluated DIALux evo, AGi32, Daysim, ecotect, Insight 360, Sefaira, Velux Daylight Visualizer, OpenStudio, OpenStudio EnergyPlus extensions, and Phoenics using three score groups: features, ease of use, and value. We used an overall rating that treats features as the largest share at forty percent, then balances ease of use and value at thirty percent each. Each tool receives its score from the concrete capabilities described in the reviewed tool records, including daylight workflow support, output types like illuminance maps or glare indicators, and the practical setup requirements.
DIALux evo stands apart because it integrates configurable sky and sun modeling with 3D scene setup and produces illuminance map outputs inside a single daylight analysis workflow. That integration lifted features and eased review execution during interior and exterior studies, which aligns with the top overall rating at 9.1 And features rating at 9.2.
Frequently Asked Questions About Daylighting Calculation Software
Which daylighting tools support full 3D daylight analysis within a single workflow for interiors and exteriors?
How do DIALux evo and AGi32 differ in their calculation approach for iterative scenario studies?
Which options are best for annual or climate-based daylight metrics instead of one-off daylight factor checks?
What integration paths are common when daylighting analysis must connect to CAD or BIM pipelines?
What does an API or automation workflow typically look like for Radiance or EnergyPlus-driven daylight studies?
How should teams plan data migration when switching between daylighting tools?
Which tools expose controls for sun-position sweeps and scenario comparisons during design development?
How do glare outputs differ across tools that report daylight and visual discomfort metrics?
What technical inputs most often cause incorrect results when running daylight calculations?
Which tool fits teams that need guided product-referenced daylight visualization during early feasibility?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
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