Goettl's High Desert Mechanical is your local team for tankless water heater repair, replacement, and installation in Prescott, AZ. Your tankless water heater should give you hot water whenever you need it. Maybe your showers turn cold, the water heater shuts off randomly or the system takes too long to heat up. Sometimes the fix is simple, like cleaning out built-up minerals. Other times, a part has failed and requires repairs or replacement. Whether your unit needs a quick adjustment or it’s time for an upgrade, our plumbers can figure out the problem and get your hot water working again.