Active solar refers to the use of mechanical systems to capture and convert sunlight into usable energy. This typically involves solar panels, which collect sunlight and convert it into electricity or heat. These systems often include pumps and fans to distribute the energy, making them more efficient than passive solar methods. Active solar technology can be used for various applications, including heating water for residential use or generating electricity for homes and businesses. By harnessing the power of the sun, active solar systems can reduce reliance on fossil fuels and lower energy costs, contributing to a more sustainable energy future.