Solar water heater is quite benefited to save electricity as it is a free source of energy
. This system is also eco-friendly as it don"t release smoke like oil and coal. It also do not cause destruction or destroy forest and it is a renewable source of energy. It also don"t pollute the environment
It is true that solar water heaters are most cost effective method and there are various kinds of water heater available in the market. The storage capacity of this system is two to three times higher than a standard water heater meaning you have more hot water which is great for large families.
But apart from these advantages there are few disadvantages which are really not worth.
Cost
Solar water heaters are really a cost effective method of heating water but the initial cost much high. This system needs solar panel and while installing this system the investment is quite costly. If we see the earlier graph than in 2010 a typical system for an 80 gallon tank could cost around $5,000 of if you want a specialist to install this system then you need to pay $2,000 but yes, Conventional electric and gas heaters cost quite a bit less.
Depends upon whether
The name itself suggests that this heating system needs sunlight. Without sunlight it cannot work at all.So homes in colder or cloudier areas solar water heaters get less efficient. And the homes in snowy areas rarely see sunlight. They usually add solar powered heating strips to melt the snow which add to the costs.
Slow in water heating process
Certain types of solar heaters begin to heat water only when the faucet is turned on. This means the water will need to run longer than usual in order to reach a warmer temperature. Certain specialized products can help reduce the amount of water waste for these situations at an additional cost.
Maintenance
Professionals can install solar water heater perfectly and obviously installation charges for professionals are too high. And areas with drier climates must clean the solar panels more often because rain will not provide a natural rinse. This system also needs regular maintenance every three to five years.In addition, replacement parts are usually required between two and 10 years.
These are few disadvantages of solar water heater which you can check out before installation. So always take decision of having solar water heater by keeping all criteria of advantages and disadvantages in your mind.