The cost of a water heater repair in Cincinnati can vary depending on the problem and the extent of the repairs needed. Minor repairs, such as replacing a thermocouple or heating element, can range from $150 to $400. More extensive repairs, like replacing a leaking tank or multiple components, can cost between $500 and $1,200 or more. At Blitzer Plumbing, we provide upfront pricing for all repairs to ensure transparency and avoid any surprises.