Solar Water Heater
A solar water heater can cover an average of 50 to 80% of daily hot water needs and so considerably reduces gas or electricity bills. The remaining 20 to 50% is normally provided by an auxiliary device.
Solar water heater
Solar water heating is the main use of solar energy in the home. It stores energy through solar thermal panels on the roof that catch the sunlight and it uses free energy!
In addition, the solar water heater can be easily integrated into housing and installation of the panels is simple and compatible with all roofs.
Cold water [A] enters into an insulated tank [B] and then passes through a special solar panel [C] where the water absorbs the heat [D] before re-entering the tank at the top and becoming available for use [E].
Benefits of Solar Water Heater
- It is economical to use: the sun is free energy
- It is environmentally friendly: it is renewable energy
- It is easy to install
- This technology is well controlled
- Eligible for the tax credit
- Solar water heating can also support the central heating system and cover part of the heating needs of the house.
Disadvantages of solar water heaters
A solar water heater has few disadvantages, hence its success.
The only notable disadvantage: the initial investment is significant. However, this "inconvenience" is relative to the views of energy savings that solar water heaters can achieve and the installation of approved solar water heating/energy systems are subject to a tax credit.