SOLAR WATER HEATERS FOR LOW TEMPERATURE APPLICATIONS.

The purpose of this paper is to provide information about the salient features of various types of solar water heaters developed at the Central Building Research Institute, Roorkee, which has been one of the first institutions in India to develop commercially feasible solar water heating systems. Four types of solar water heaters have been developed to suit varied requirements, namely, domestic type, large size, low cost and pipe type (also low cost) units. These have been tested under field conditions and have been found to give the desired performance. The problem of integration of these units into buildings is also discussed in brief.