Free tool

EPW Viewer for climate-driven design

Inspect EnergyPlus Weather files in the browser. Compare past, current and future climates through wind roses, solar/daylight charts, 8760 maps and psychrometric diagrams.

What can you analyze?

• Dry-bulb temperature, humidity and degree days
• Wind direction, wind speed and hourly wind patterns
• Global, direct and diffuse radiation and illuminance
• Solar paths, passive-design strategies and climate scenarios