Opaque 3.0.4 is free to download from our software library. The program is included in Photo & Graphics Tools. This download was checked by our built-in antivirus and was rated as clean. The most frequent installation filename for the program is: Opaque.exe.
Opaque is compatible with Windows XP/7/8/10/11 environment, 32-bit version. The latest installer takes up 808 KB on disk. The most popular versions of the program 3.0 and 2.0. The actual developer of the free program is UCLA Dept. of Architecture and Urban Design.
From the developer:
Draws a detail of wall or roof sections, calculates U-value, Time Lag, and Decrement Factor. It plots temperature drop through the section. Draws 2-D daily and 3-D annual plots of Outdoor and Sol-Air Temperatures, Normal and Total Surface Radiation, and Heat Flow through the envelope.
It was originally called SOLAR-3.
You may want to check out more software, such as Rebelle, GrowCut or Qlock, which might be similar to Opaque.