Furnace precision tune up; clean and tune up furnace; clean burners, test ignition components, adjust gas level, test safety circuit, check indoor motors, checked all electrical components, tested indoor air flow, checked heating temperatures, and tested overall furnace operation. Air distribution system is starting to get dirty reducing airflow and efficiency. Flame safety is testing out of manufacture range. Inducer motor is making excessive noises and sounds to be failing. Replacement is recommended. Will attach water heater estimate and repair options.