Join LightStanza at LightFair International in Philadelphia, May 21 – 23!

Daniel Glaser, PhD, will be co-presenting on “Visualizing Innovations in Daylight Modeling”  – check out the session here



LightStanza is the Architecture Industry's Most Advanced Daylight Analysis Software

The NEW way to accurately run daylight analysis online

LightStanza runs complex daylight analysis for REVIT, Rhino, Sketchup and ARCHICAD models faster than any other software.

The ONLY daylight software that easily integrates with most current design tools and provides fast and accurate Radiance-based daylight analysis in an easy to use (no install required) web application.

14 days free – no cc req’d

Created for..


Building Performance Specialists


sales teams

Eliminate Tedious Daylight Analysis That Takes Days With Other Software Tools

State-of-the art 3D modeling with robust daylight analysis to optimize natural daylight

Faster, Simplified Workflows So You Can Spend More Time On Analysis

  • Queue infinite number of simulations - but also continue to work while they are running
  • Fully customizable annual simulations at the click of a button
  • Iterate over multiple design options and easily compare results, without writing any code
  • Cloud server processing that is faster than conventional PC software and doesn’t tie up local computing resources

Share Your Design Easily with Anyone, Anywhere

No need for large file transfers – send a link to your design with a comment to anyone you are working with and they can see exactly what you are seeing on their screen

Headache Free Reporting for Certifications & Standards

One Click LEED v4 Report Cards - At Your Fingertips!

Quickly Comply with New European Standard (prEN17037)

Calculate WELL Building Standard Requirements

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

What our CUSTOMERS say
"LightStanza is an effective tool at running daylight calculations for cutting-edge building performance projects. Its ability to effortlessly run scores of analyses at once allows me to analyze daylight performance in much greater detail which leads to optimal design."
Romy Lin
Lighting Designer, stantec

Try LightStanza FREE for 14 days