Annual water heater maintenance in Rowlett, TX typically costs $100 to $200 for a standard tank unit. This includes the full inspection, tank flush, thermostat calibration, and T&P valve test. Anode rod replacement, if needed, adds $150 to $300 depending on the rod type and unit accessibility. Tankless water heater descaling service runs $150 to $250. Many of our customers save on maintenance costs with our annual service plan. For a detailed breakdown, see our guide on how to maintain your water heater.





