2. Solar water heater principle

2.1 How it works

A solar water heater installation consists of solar panels, generally placed on the roof of the home or in the garden, and a water storage tank. In the event of bad weather, the solar water heater is usually coupled with a back-up system capable of taking over from the solar panels.

2.2 Solar collector

The thermal panels used to operate the solar water heater can also be equipped with different collectors. These can be fluid collectors (which account for the majority of...