A geyser, also known as a water heater, is a device used to heat and store water for various domestic purposes, such as bathing, cooking, and cleaning. There are different types of geysers, including electric, gas, and solar-powered ones.

1. Electric Geysers: These are the most common type of water heaters found in households. They work by using an electric heating element to heat the water stored in a tank. When the temperature of the water drops below a certain level, the heating element switches on to heat the water again.

2. Gas Geysers: Gas geysers use either natural gas or propane to heat water. They typically have a burner that heats a heat exchanger, which then transfers the heat to the water flowing through it. Gas geysers are often more energy-efficient than electric ones, but they require proper ventilation to ensure safe operation.

3. Solar Geysers: Solar geysers utilize the energy from sunlight to heat water. They consist of solar collectors, which absorb sunlight and convert it into heat, and a storage tank to store the heated water. Solar geysers are environmentally friendly and can significantly reduce energy bills, especially in sunny regions.

Geysers come in various sizes to suit different household needs, from small units suitable for apartments to large ones suitable for multiple bathrooms in a house. It’s important to choose the right size and type of geyser based on factors such as the number of people in the household, hot water usage patterns, and energy efficiency considerations. Regular maintenance and proper installation are essential to ensure the geyser functions efficiently and safely.