Water Heater Repair in Summerville, SC
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What Summerville's power outages do to your water heater
Dorchester County sees its share of damaging wind, 227 events counted over the past ten years. When wind takes down power lines, water heaters go dark along with everything else. Most electric water heaters come back on by themselves once power returns, but the recovery takes a while. A tank that was already struggling to keep up shows it fast. The water runs lukewarm, or you wait longer than usual for hot water to reach the tap.
Across South Carolina, 45% of households lost power for 24 hours or more in 2024. That is enough time for a full tank to go cold. If your water heater is not recovering the way it used to after an outage, or the water never gets as hot as it should, that is worth having looked at before the next storm knocks the power out again.
- 38°F
- the average winter night, and colder incoming water means longer heating
- 5 months
- November through March, the months homes here need heat
- 45%
- of South Carolina 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 $300 a year off hot water for a typical South Carolina home.
Estimates for a typical South Carolina home, compared with an older unit built to the federal minimum, from EIA household energy data and South Carolina 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 the tank itself has rusted through and is failing from the inside. Sediment builds up at the bottom of the tank over years, and once it wears through the lining, water finds a way out and the tank cannot be patched. It can also be a loose drain valve or a fitting that has failed, which a contractor can check before assuming the tank is done. If the leak is coming from the tank body itself, the water heater needs to be replaced, not repaired.
- Why won't the pilot light on my water heater stay lit?
- Usually the thermocouple has worn out and can no longer signal that the pilot is lit, so the gas valve shuts it off. A weak or dirty pilot orifice can cause the same problem. It can also mean a draft is blowing the flame out, which is worth checking if the water heater sits near a vent or door. A contractor can test the thermocouple and clean or replace the parts that are keeping the flame from holding.
- Can a tankless water heater be repaired?
- Yes, most tankless water heater problems are repairable. Common issues are a failed igniter, a clogged inlet filter, mineral buildup on the heat exchanger, or a sensor that has gone bad. Because tankless units run on demand rather than storing water, scale buildup from hard water is one of the more frequent reasons they need service. A contractor can diagnose which part is causing the problem and repair it in most cases.