The use of a compound parabolic collector (CPC) in a solar wood drying system built for beech wood in the Moroccan environment is researched in the investigated study. When CPC is used instead of typical drying methods, the results show a 34% reduction in drying time. The finite difference method and the Gauss–Seidel methodology are used to create a numerical program written in the Python programming language. This program, when combined with the TRNSYS software, allows for a thorough investigation of wood moisture content reduction and temperature distribution throughout the wood during the drying process. The primary results show a reduction in moisture content from 40% to 17%, demonstrating successful water removal from the wood. Furthermore, the CPC’s efficiency is demonstrated by its peak outlet temperature of 374.4 K during operational hours. Shorter drying times arise from increasing collector area: a 20 m2 collector area results in a 66-h drying time, a 10 m2 area extends it to 76 h, and the absence of CPC utilization extends it to 100 h. This study highlights the significant benefits of using a CPC in sustainable wood processing and gives useful information for improving wood drying efficiency (Portions of this text have been reproduced from Ref. [1] with permission from Springer Nature.).