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 Solar water heater is a global concern which is drawing the attention of every city to saving energy. When we talk of conserving energy, use of solar energy as an alternative is the best option. Solar energy is a natural and economical source available to meet our energy requirement for various purposes. Solar lighting, solar water heaters, solar cookers ' all these are gaining popularity world over.

Major cities across India are grappling to meet the demand and supply gap with regard to meeting the power requirements. Residents are feeling the pinch with four to six hours of regular power cuts every day. There is mounting pressure on the state electricity boards to reduce the transmission and distribution (T&D) losses. Taking into account all these factors, the respective governments are seriously popularizing the use of solar energy.

Though we all know the use and benefits of solar energy, not many have attempted to switch over to it. When it comes to domestic purposes, water heaters in the form of coils and geysers consume the maximum power. Solar water heater is the best answer to save a major portion of energy consumption in any household.

Unlike other heating elements, solar water heater keep the water hot throughout the day by making use of solar energy. The solar water heaters keep the water hot even in winter by producing minimum amount of energy.

It is amazing to know how a solar water heater works. The insulated water tank which you see installed on the terrace of the house, helps in heating up the water when the sun rays pass through the glass. Thus you can have the luxury of using hot water through out the day.

You would agree that more than 50 per cent of your electricity bill goes towards solar water heater. And what with the hike in power tariffs every year, where consumers shell out big money on power bills. Isn't switching over to solar water heater more economical? Moreover, you recover the investment on installing a solar water heater within four to five years depending on the usage. So, why spend more when you can get if for less.

You will also be surprised to know that there is very less maintenance cost on solar water heaters and the life of the solar water heater is anywhere between 12 and 15 years with proper maintenance. You may heave a sigh of relief that the maintenance cost is negligible or zero.

What more, you also get subsidies on your power bill for a certain slab on the number of units consumed when you install a solar water heater. Also, you get easy loans on solar heating systems which conform to the specific standards of ISI.