Water Heater Repair in Cortez, CO
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Cold groundwater and long winters wear on a water heater here
Water heaters in Montezuma County work against cold incoming water for eight months of the year, October through May. Winter nights averaging 19°F mean the water entering the tank is cold too, so the burner or the heating element runs longer to bring it up to temperature. That extra runtime wears on the thermocouple and the heating element sooner than it would in a milder place.
Power is part of it too. Colorado saw 13% of households lose power for at least 24 hours in 2024, and this county has logged 115 winter storms and 22 damaging wind events over the past ten years. Most gas water heaters with a standing pilot keep working right through an outage, but electric units and gas units with electronic ignition go cold until power comes back. If yours does not restart on its own once the lights are back on, that is usually the sign something needs a look.
- 19°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 13%
- of Colorado households lost power for a day or more in 2024, and a heater with an electric element or electric ignition stops without it
NOAA nClimDiv, 1991–2020 normals
A new water heater would cut about $60 a year off hot water for a typical Colorado home.
Estimates for a typical Colorado home, compared with an older unit built to the federal minimum, from EIA household energy data and Colorado fuel prices. Your home will differ.
Repair makes sense when an element, thermostat or gas valve has failed.
Replacement makes sense when the tank itself is leaking.
- Why is my water heater leaking from the bottom?
- Most often the tank itself has rusted through and is leaking from the inside out. Water heaters have a glass or ceramic lining that protects the steel tank, and once that lining cracks, the tank corrodes and starts to leak. Sometimes the leak is not the tank at all but a loose drain valve or a fitting on the bottom, which a contractor can tighten or replace. If the tank itself is rusted through, it needs to be replaced, since there is no way to patch a leaking tank.
- Why won't the pilot light on my water heater stay lit?
- A pilot that will not stay lit is usually a sign the thermocouple has worn out. That small sensor tells the gas valve the pilot is burning, and once it fails, the valve shuts the gas off as a safety measure. A dirty pilot orifice or a draft in the area around the water heater can cause the same problem. A contractor can test the thermocouple and replace it if that is the cause.
- Can a tankless water heater be repaired?
- Yes, most tankless water heater problems are repairable. Mineral buildup on the heat exchanger is a common cause of reduced hot water or error codes, and flushing the unit often clears it. Igniter, sensor, and venting issues can also be diagnosed and fixed without replacing the unit. A contractor can tell you after looking at the specific error code and the age of the unit whether repair or replacement makes more sense.