There was a download of PeakLoad 1.0.5 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
The latest version of the program can be downloaded for PCs running Windows XP/Vista/7/8/10/11, 32-bit. The PeakLoad installer is commonly called PeakLoad.exe. This tool was originally created by TechniSolve Software cc. PeakLoad relates to Education Tools. The following versions: 1.1 and 1.0 are the most frequently downloaded ones by the program users.
From the developer:
The calculation of heat load is a complicated problem. This is partly due to the delay of the various room peak load calculator instantaneous heat loads on the plant but also because of the variations in loads during the 24-hour period.
A solution that has been proposed to deal with the problem of a sun lit wall is to introduce a cooling load factor (CLF).
You may want to check out more software, such as Trachtenberg Speed Math, SatCalc or MathMatic, which might be related to PeakLoad.