Also, the solar collector array must be installed at a slight angle.
But, from April through November, this same solar array can generate more hot water than a normal household could possibly use.
In addition, when anti-freeze is superheated every day for weeks at a time, it tends to break down and become acidic, thereby transforming into a corrosive substance that circulates through your system slowly damaging its components.
This is why drivers are urged not to leave children, the elderly, or pets in a parked car for any amount of time -- no matter how seemingly short -- because contrary to what you'd think, the bulk of the temperature rise happens within those first few minutes.
The coil is weatherproof, and can be placed anywhere…in the air, underground, or underwater.
At the same time, the demand for hot water is often at its lowest ebb.