Subject this diploma thesis is introduction to solar problems, with folow-up focus on solar elements and reflection about their defects. The next part is dedicated diagnostic method LBIC (Light Beam Induced Current) that help to detect defects of solar elements. The work is concerned with aplication this method in general view, from construction of workplace, throuhg hardware to software. The last part is focused on results processing and analysis.

Main purpose of project is design of economical ventilation system. Designed preasure equal air heating system is supportet by sollar collectors and fluid-ground heat exchanger.