Test conditions

How are DualSun modules protected against frost?
In our pressurized systems, glycolated water is used in order to protect against freezing. The concentration of glycol determines the freezing point o...
What is the saline resistance of the DualSun SPRING panel?
The DualSun SPRING panel is suitable for the saline environment. The SPRING panel has been designed so that its characteristics adapt to the saline en...
Is it possible to have frost on a SPRING4 solar panel?
Yes , it is possible to have frost on SPRING4 finned and SPRING4 non-insulated solar panels when they are coupled to a solar thermal heat pump: this i...
What is the maximum altitude for the installation of DualSun panels ?
Nothing prevents you from installing DualSun panels at altitude.   It even has some advantages: Solar radiation is more intense at altitude in winter...
Is it possible to melt the snow covering the DualSun hybrid solar panels?
Yes , it is possible to melt the snow on the DualSun hybrid solar panels.   The SLL controller supplied with the solar station has an antifreeze funct...
Why might the color of DualSun panels change in case of rain?
If the installation is made up of panels from different batches, it is possible that their glasses on the front do not have exactly the same hydrophi...
Are DualSun SPRING panels suitable for "mobile" projects such as on a boat, a camper or a tiny-house?
Yes, the installation of our DualSun panels on boats, motorhomes, yurts or tiny-houses is possible. However to use the thermal part of the panel it i...
Is the DualSun Wave panel designed to resist saltwater conditions?
The DualSun Wave panel possesses many characteristics appropriate for dealing with the stresses of a saline environment: its anodized aluminum frame, ...