What is a sand battery?

The sand battery is an innovative heat storage system that uses sand as a natural "battery" to store heat energy. This system can be used to heat homes or to provide heat when needed.

In short, the Sand Battery stores heat in sand heated by a photovoltaic system and gradually releases it to heat the home.

How does it work?

1. Heating the sand: The sand is heated by electrical resistors, which are powered by a photovoltaic system. Solar panels capture solar energy and convert it into electricity, which is used to heat the sand. The heat generated is stored in the sand, which can store energy for many hours or even days.
2. Storing energy: The sand acts as a natural heat 'reservoir', retaining energy for long periods without the need for expensive or dangerous chemical batteries.
3. Heat release: When heating is needed, cold air is blown through the heated sand. The air heats up and exits through a system of tubing and is distributed throughout the home to warm the room.
4. Efficient insulation: The sand battery is fully insulated to keep heat inside and prevent energy loss.

Why use a thermal sand battery?

• Energy efficiency: Reduces heating costs as it uses renewable energy from photovoltaic panels and retains heat for longer periods.
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• Sustainability: It is an environmentally friendly system, based on natural materials such as sand, which do not pollute or deteriorate over time.
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• Easy to maintain: The system has few mechanical components and does not require frequent intervention.
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The sand battery is a simple and efficient home heating solution that helps you save energy and protect the environment. It is perfect for those who want to adopt a natural, sustainable and affordable heating source powered by a photovoltaic system.