A Tap Geyser is a compact, efficient water heating system designed to provide hot water on demand, often installed under a sink or near a faucet. It works by rapidly heating water as it passes through a small heating element inside the unit. Tap geysers are typically smaller and more energy-efficient than traditional water heaters, making them ideal for use in kitchens, bathrooms, and offices where instant hot water is required without the need to heat large volumes.