Water Heater Repair in Roseville, CA
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Placer County winters put your water heater to work
Water heaters here run hardest from October through May, when winter nights average 32°F and the incoming water is coldest. The unit has to work harder to bring that water up to temperature, and it does this for eight months straight. That extra load falls on the heating element in an electric unit or the burner and thermocouple in a gas one, the parts that wear out from being used, not from age alone.
Power loss adds to it. Storm records for this area show 223 damaging wind events over the last ten years, and statewide, 17% of households went at least a day without power in 2024. A gas water heater with a standing pilot stays lit through an outage, but most gas units built in the last couple decades use an electronic ignition that needs power to relight. An electric water heater simply stops heating until power is back. Either way, you may find yourself with cold water right after the lights come back on, waiting for a tank to reheat or a pilot to relight.
- 32°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 17%
- of California 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 $110 a year off hot water for a typical California home.
Estimates for a typical California home, compared with an older unit built to the federal minimum, from EIA household energy data and California 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?
- Water at the bottom of the tank usually means it's failing from the inside. The tank holds water day and night for years, and eventually the metal corrodes and lets water seep out through the bottom or a seam. It could also be a loose drain valve or a fitting that's simply worked its way loose, which is a much smaller fix. Either way, once a tank is leaking from the bottom it needs a contractor to look at it, because a full tank failure means water all over the floor.
- Why won't the pilot light on my water heater stay lit?
- A pilot that won't stay lit is almost always the thermocouple, the small sensor that tells the gas valve the flame is burning. When it wears out or sits out of position, it shuts the gas off even though the pilot is lit, so the flame goes out again. A draft blowing across the pilot or a dirty pilot tube can cause the same thing. A contractor can tell which one it is and replace the part if needed.
- Can a tankless water heater be repaired?
- Yes. Most problems in a tankless unit come down to the igniter, the flow sensor, or mineral buildup on the heat exchanger, and all of those can be repaired or cleaned without replacing the unit. Hard water buildup is the most common reason a tankless unit stops heating well, since it coats the heat exchanger over time. A contractor can flush the system or replace the specific part that's failed.