A: There are a few signs that indicate your water heater may require repair or replacement. These include a lack of hot water, discolored or foul-smelling water, unusual noises, leaks around the unit, or inconsistent water temperature. If you notice any of these issues, it's best to have a professional inspect your water heater.

A: The average lifespan of a water heater depends on various factors such as the type of water heater, usage patterns, and maintenance. Generally, a conventional tank-style water heater lasts around 8 to 12 years, while tankless water heaters can last up to 20 years. Regular maintenance and timely repairs can help extend the lifespan of your unit.

A: While some minor water heater issues can be resolved with DIY methods, it's usually recommended to hire a professional for repairs. Water heaters involve complex systems and potentially hazardous components. Professionals have the knowledge, experience, and tools required to diagnose problems accurately and ensure safe repairs.

A: The cost of water heater repair depends on the nature of the problem, the type of water heater, and the required repairs or replacements. Minor issues like replacing a faulty heating element may cost less, while major repairs such as fixing a leaking tank or replacing a malfunctioning valve can be more expensive. It's best to request an estimate from a qualified technician after a thorough inspection.