What does a combie boiler do?

A combi boiler, or combination boiler, is a heating system that provides both central heating and hot water on demand without needing a separate water tank. It heats water directly from the mains supply, delivering hot water instantly and efficiently. This compact system is ideal for smaller homes, as it saves space and reduces energy costs by eliminating the need for a storage tank. Additionally, combi boilers are known for their convenience and ease of installation.