Question

Explain the functioning of solar water heater. what are it's disadvantages?

Answer 1

Solar Water Heaters are also commonly known as domestic solar hot water systems and have gained a lot of popularity recently. They are not just a cost effective but also an environmental friendly way to heat water for your domestic needs. As they use sun’s heat to work so if you stay at a place which has good exposure to sunlight then a solar water heater will surely help in decreasing the electricity bill expenses Disadvantages:

• Additional roof top space is required to install the solar heater.
• Working of solar heaters depends up on abundance and availability of direct sun light.
• It heats only in day time, however if the storage tank is well insulated, heated water can be stored and used even at night.
• It will not be very helpful in rainy season or foggy days.