: You cannot save project reports or print during the trial period.
: Includes all professional functions for simulation and profitability analysis.
: You can download a full-featured trial of T*SOL 2026 to test its capabilities on your computer. Valentin TSOL Free Download
: Best for quick estimates before moving to the detailed desktop application.
: Calculates energy performance across a year with a 6-minute resolution. : You cannot save project reports or print
: It determines the yield and solar fraction of a system based on your location and basic heat demand.
: Helps dimension storage and collector arrays (including east/west roofs) to find the most efficient setup. including CO2 reductions
: Provides technical and economic indicators, including CO2 reductions, payback periods, and energy savings.