Design, Fabrication, and Efficiency Study of a Novel Solar Thermal Water Heating System: Towards Sustainable Development

Table 3

Cost estimation of the proposed solar water heating model.

Component	Amount (BDT)
Copper tube	2000
Black paint	80
Carbon powder	40
Cork sheet	40
Araldite glue	250
Silver sheet	300
Low iron glass	300
Wiper motor	300
Heating coil	120
DC battery (6 V)	600
Plastic box	120
Cotton	10
Wire	10
Pipe	30
Others	300
Total amount = BDT 4500