The document discusses electric showers and water heaters, specifically those made by Lorenzetti. It notes that electric showers are the most sustainable and efficient way to heat water, using over 95% of energy consumed to heat water. Electric showers also save significant amounts of water compared to traditional water heating systems like geysers. Lorenzetti electric showers have won several awards for their efficiency and sustainability. They can save over 40 liters of water per shower and reduce household electricity consumption by 46% compared to geysers.