Review on progress in concrete solar water collectors.

The solar-powered water heating method is the best way to use the available free solar radiation for thermal energy. Electrical water heating systems all over the world consume more electrical energy for their operation. The Solar Water Heating System (SWHS) has a higher efficiency than the electrical water heating system. As a result, SWHS plays an important role in the home, industry, hostel, and hotel. Various types of SWHS are published by different researchers. Concrete Collector Solar Water Heating (CCSWH) System used for dual purposes is one of the published works (space cooling and hot water production). The CCSWH system is discussed in this review, which includes both traditional and recent developments. Also, future research opportunities in this field are provided.