Are DualSun SPRING panels available in the SPF Kollektorliste? Marine de DualSun March 13, 2023 14:16 Updated Yes, they are available and you can do your simulations on QM solar. Related articles How can I monitor the production of DualSun solar panels? Are the DualSun panels in the Polysun software developed by VelaSolaris? Which thermodynamic water heaters are compatible with DualSun SPRING panels? To calculate the profitability of an installation, what assumptions are taken into account? Can I install the DualSun solar panels myself? Comments 0 comments Please sign in to leave a comment.