Water heater installation and repair involve setting up, maintaining, and fixing water heating systems to ensure a consistent and efficient hot water supply. Installation includes selecting the right unit, connecting it to water and power sources, and ensuring proper venting for safety and efficiency. Repairs address common issues such as leaks, heating element failures, sediment buildup, and thermostat malfunctions. Regular maintenance, including flushing the tank and inspecting components, helps prevent breakdowns, improves energy efficiency, and extends the lifespan of the unit. Proper installation and timely repairs ensure reliable performance and long-term cost savings.