There are two main types of circulation systems used in solar thermal installations: These systems require electricity to run a circulation pump. They are more effective in colder climates and can be optimized using smart controllers. Understanding the fundamentals of fluid dynamics, 2. Integrating solar energy. . Solar water heaters come in a wide variety of designs, all including a collector and storage tank, and all using the sun's thermal energy to heat water. But how exactly do solar circulation pumps work? Why are they so crucial in renewable energy systems? What technologies make. . Public infrastructure emerges as an ideal candidate for the application of solar energy systems, providing not only energy efficiency but also enhancing the aesthetics and functionality of modern cities.