How Exactly Do Solar Water Geysers Work?

Just like any other big purchases made for your home, it’s important when buying a solar geyser that you understand what you’re paying for, and how it will benefit you in the long run.

Did you know that solar geysers rely on more than just sunlight? Or how its internal workings assist with producing the warm water you use for your home?

For those who are considering a solar water geyser, here’s a brief guide to how it works. Understanding how solar water geysers work can help you with decision-making. Remember, like any purchase, you got to weigh up the pros and cons before installing a solar water geyser.

Internal workings of solar water geysers

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How green are solar water geysers?

Did you know that the heating up of electric water geyser accounts for 40 – 60 percent of the household’s electricity?

On the other hand, solar water geysers are as green as hot water can get. If you’re looking to go green or decrease your carbon footprint, this is an excellent solution for a clean energy source. Remember that its fuel is sunlight, which is limitless and free.

Direct or indirect solar water geyser?

There are two different options when it comes to how the solar water geyser will be connected to your home. This is dependent on whether your area is frost prone. If it is frost prone, you’d need an indirect solar water heater. Frost free areas use a direct solar geyser. So, what’s the difference?

- Direct: the water moves through the solar collector and then directly into the geyser with the assistance of electrical pumps and controls. If not, it can be done via a natural thermosiphoning
- Indirect: unlike the direct solar water geyser, the indirect solar water geyser has a solar collector that transfers a heat transfer fluid such as antifreeze. Thereafter, the antifreeze flows through the heat exchanger, which is surrounded by water. The water receives the heat from the antifreeze (but never mixes with it).
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