Water Heater Repair in Thermopolis, WY
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Cold winters keep your water heater working harder here
Winter nights average 12°F from December through February, and homes here need heat from September through June. Your water heater is part of that load, and it runs more through the cold months to keep up.
That steady demand wears on the parts that do the heating. A gas water heater cycles its burner more often, and an electric one leans harder on its heating element. Either way, you may notice the water taking longer to heat back up, or the tank running out sooner than it used to. Power outages add to this. In Wyoming, 8% of households went at least 24 hours without power in 2024, and a water heater that loses power needs attention afterward, whether that means relighting a pilot or just checking that it came back on.
- 12°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 8%
- of Wyoming 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 $70 a year off hot water for a typical Wyoming home.
Estimates for a typical Wyoming home, compared with an older unit built to the federal minimum, from EIA household energy data and Wyoming 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?
- The most common reason is a tank that's rusted through from the inside and is failing. Water heaters corrode from the inside out over the years, and once the tank itself is breached, no fitting or valve can be tightened to stop it. Water pooling underneath can also come from the drain valve, a loose fitting, or the temperature and pressure relief valve, and those are worth checking before assuming the worst. A contractor can tell you quickly which one it is, and if it is the tank, replacement is the only fix.
- Why won't the pilot light on my water heater stay lit?
- Usually this means the thermocouple has worn out and can no longer sense that the pilot is burning, so it shuts the gas off as a safety measure. It can also happen if the pilot tube is dirty or if there's a draft blowing the flame out. A thermocouple is an inexpensive part to replace and the most common fix. If the water heater keeps doing this after that's been replaced, a contractor should check the gas valve itself.
- Can a tankless water heater be repaired?
- Yes, most problems with a tankless water heater can be repaired rather than requiring a full replacement. Common issues include a clogged inlet filter, mineral buildup on the heat exchanger from hard water, a failed igniter, or an error code pointing to a specific sensor. Because these units have more electronic parts than a tank model, a contractor needs to read the error code or test the components to know exactly what's failing.


