A solar water heater is a good energy-saving appliance for heating water as it makes use of the sun's rays. It is a more environment-friendly option instead of electric or gas heaters for water. This method will save more energy and thus cut down the electricity bill. Solar water heaters comprise solar collectors that are typically installed on the rooftop and a storage tank. The solar collectors absorb the sunlight and convert it into heat, which is transferred to the water in the storage tank.

The main benefit of solar water heating is that it is sustainable. Since it depends on solar energy, it does not produce harmful emissions or contribute to environmental degradation. It is the most suitable solution for places where sunlight is abundant throughout the year, thus ensuring long-term savings.

These systems are generally available in two types: active and passive. Active systems rely on pumps that circulate water through the solar collectors, whereas passive systems use natural convection. Both work effectively, though the choice will depend on such factors as budget, water usage, and personal preference for installation.

Not only is a solar water heater cost-effective and environmentally friendly, but it is also eligible for government subsidies. As the demand for renewable energy increases, a solar water heater can be a sensible and sustainable investment.