Water Heater Repair in Mount Vernon, WA
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Your water heater works nearly all year here
Skagit County homes need hot water from September through July, eleven months a year. The tank rarely gets a real rest. In winter, when nights average 30°F, the water coming into the tank is colder, so the burner or heating element has to work longer to bring it up to temperature.
That extra work adds up over the season, and the heating element or burner is often the first part to give out. Most of the county's homes are single-family and owner-occupied, one water heater serving the whole household, so when it fails you notice fast, usually as water that will not get past lukewarm.
- 30°F
- the average winter night, and colder incoming water means longer heating
- 11 months
- September through July, the months homes here need heat
- 23%
- of Washington 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
- Why is my water heater leaking from the bottom?
- Most of the time this means the tank itself has rusted through and is failing. Water heaters corrode from the inside over the years, and once the steel tank is breached, water works its way out through the bottom and pools underneath. A leak can also come from a loose drain valve or a fitting above the tank running down the side, so it is worth checking those before assuming the tank is done. If the tank is the source, it needs to be replaced, not repaired.
- Why won't the pilot light on my water heater stay lit?
- The most common cause is a worn thermocouple, the small sensor that tells the gas valve the pilot is burning. When it wears out or sits out of position, it shuts the gas off even though the flame is lit. A dirty pilot tube or a draft blowing across the flame can cause the same thing. A contractor can test the thermocouple and replace it if it is the problem.
- Can a tankless water heater be repaired?
- Yes, most tankless water heater problems are repairable. Issues like a failed igniter, a blocked vent, a scaled heat exchanger, or a faulty flow sensor can usually be fixed without replacing the unit. Mineral buildup is a common cause of lost hot water or error codes, and flushing the system often restores it. A contractor can pull the error code from the unit's display and diagnose the exact part at fault.

