Solar water heaters are increasingly popular and can help households reduce energy costs and their impact on the environment. To ensure you maximise the benefits of installing a solar water heater and avoid any potential problems, it’s important to have an understanding of how solar water heaters work, including how they should be installed, operated and maintained.Whether you are considering buying a solar water heater, or you already have one, this guide is designed to help you gain a basic understanding of solar water heaters.