This project in photos!
It’s getting hot in the center of France
Madame Zongo’s installation is equipped with monitoring sensors to track the thermal performance of the system, for example the temperature of the DualSun panels.
The image below illustrates the temperature of the panels and the temperature of the hot water tank for the month of January 2015.
The DualSun panels in the winter and in the summer
During winter months, we see that the temperature in the panels reaches 20°C-30°C, serving as a pre-heating system for the domestic hot water.
During the summer, the temperatures reach 50 – 60°C, largely surpassing the 38°C required for a nice shower !While the DualSun panels meet 100% of hot water needs in the summer, there is never a risk of overheating which is common for traditional solar hot water panels. We see in the graph below that the maximum temperature reached was 65°C, during the month of July. Generally speaking, as tested during the certification process, DualSun panels have a stagnation or “max” temperature of 75°C whereas standard solar thermal panels can reach 150-200°C.
The choice of a trusted installer
The solar installation was realized by Mr. Semenzato from the company Sunciel, whom Madame Zongo already knew very well. Mr. Semenzato is a meticulous solar installer who has been involved in solar for many years, long before the “solar boom” in France. He discovered DualSun by an article he read in a solar magazine.
He was particularly attracted to DualSun by the way we created an intelligent way to combine photovoltaics and solar thermal on one panel! He also appreciated that the DualSun panel has European certifications and is building-integrated compatible.