Light is complex, but daylight analysis can be easy

We believe it shouldn’t be a headache to achieve superior daylighting in all of your projectS

LightStanza is simple to use, but does not oversimplify daylight solutions 

Working in your internet browser, LightStanza runs on a Radiance engine and handles complicated calculations with ease

Customize Radiance parameters for any analysis you want to run


Full Set of Features

No Remodeling CAD/BIM Models

Advanced Product Simulator

3D Visualizations

Customizable Annual Metrics

Advanced Glare Metrics

Bulk Simulations & Comparisons

Fastest Radiance Calculations

Download Images, Animations, Raw Data

Blinds Auto-Applied to Every Window

Dynamic False Color Maps

Measure Light Vertically

Easy share & commenting features

Accurate & Fast Calculations Make Compliance Easy

Download a one-click LEED v4 report card in minutes!

✓    The only software tool that follows IES LM-83 for accurate results

✓    sDA Calculation includes blinds for accurate results

✓    Submit printable forms to the USGBC


European Standard Compliance (prEN17037)​

✓  The only software tool on the market that can quickly and accurately compute a daylight report card which includes sDA with required daylight hours

Easier way to obtain WELL v2 prerequisites and credits

✓ ASE calculator helps you obtain:               L04: Glare Control

✓ sDA calculator helps you obtain:
       L01: Light Exposure & Education
       L05: Enhanced Daylight Access

Download raw data from LightStanza for compliance analysis for: 

  • BREAM Standard (Europe)
  • CHPS Standard (US) – Collaborative for High Performance Schools
  • EFA Daylight Design (UK) – Education Funding Agency 
  • Israeli Standard 5281 (Israel)
  • and many more..

Reach out to us for help on using Lightstanza to meet your specific standard by emailing

Working Together Should be Painless

Comment directly in LightStanza! Choose a point in your design, tag your colleague with a question and they are notified via email to go to exact same spot in the design to respond

Copy and send a web address link to your design to anyone, anywhere - recipient doesn't need to be a LS user to view and respond!

Customize and download high quality graphics, raw data and different file types for reports and presentations

Understand How Real Products will Perform in Your Design

Easy to simulate electrochromic glass and automated blinds and shades

Simulate built-in name brand products and reach out directly to manufacturer reps with link of your design for questions

Flexibility to upload your own BSDF files for products not already incorporated

"My favorite feature to date is the ability to test multiple concepts by turning on/off components, changing finishes and colors all within the LightStanza interface so you don't have to go back to the original model each time you want to test something new."
Leslie Lavin
Boulder Associates Architects

Still have questions?

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