Water Heater Repair in Glassboro, NJ
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Cold nights and storm outages both work against your water heater here
Glassboro winter nights average 28°F from December through February, and that cold reaches the groundwater feeding your tank. A water heater working from a colder start runs longer to bring a tank up to temperature, and that extra runtime wears on the heating element in an electric tank or the burner assembly in a gas one. You notice it as water that takes longer to heat back up, or a tank that runs out faster than it used to.
Gloucester County has also logged 15 winter storms and 140 damaging wind events over the past ten years, and across New Jersey about 11% of households lost power for a full day or more in 2024. A gas water heater with an electronic igniter will not relight itself once power comes back, so an outage can leave you with a tank full of cold water even after the lights are back on.
- 28°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, the months homes here need heat
- 11%
- of New Jersey 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 $90 a year off hot water for a typical New Jersey home.
Estimates for a typical New Jersey home, compared with an older unit built to the federal minimum, from EIA household energy data and New Jersey 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 that the tank itself has rusted through from the inside and is starting to fail. Once the steel corrodes and a leak starts, it will not seal itself and the tank needs to be replaced. A puddle at the bottom can also come from the drain valve or a loose fitting, and those can sometimes be tightened or repaired. A contractor can tell you within a few minutes which one you are dealing with.
- Why won't the pilot light on my water heater stay lit?
- Usually the thermocouple has worn out and can no longer sense that the pilot is burning, so the gas valve shuts it off as a safety measure. A weak or dirty pilot flame can also fail to heat the thermocouple enough to keep it working. Sometimes a draft in the area around the water heater blows the flame out. A contractor can test the thermocouple and clean or replace what is needed.
- Can a tankless water heater be repaired?
- Yes, most tankless water heater problems are repairable rather than a reason to replace the unit. Common issues are a clogged inlet filter, mineral scale built up on the heat exchanger, or a failed igniter or flow sensor. Because Glassboro's water heaters run harder from October through April when incoming water is colder, scale buildup and heating demand both show up more in the tank's performance during those months. A contractor can flush the unit and test the parts to find out what is actually causing the problem.


