Water Heater Repair in Las Vegas, NV
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What winter power loss means for your water heater
Water heaters here run six months of real work, November through April, with winter nights averaging 37°F. Cold nights like that mean the tank is heating water from a colder starting point for a good part of the year.
Power is the other piece. About 13% of Nevada households went at least 24 hours without power in 2024, and Clark County has seen 36 winter storms and 306 damaging wind events over the past ten years. Most water heaters come back on by themselves once power returns. But a pilot that went out, or a control board that did not reset right, will leave you with cold water until someone looks at it.
- 37°F
- the average winter night, and colder incoming water means longer heating
- 6 months
- November through April, the months homes here need heat
- 13%
- of Nevada 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 $100 a year off hot water for a typical Nevada home.
Estimates for a typical Nevada home, compared with an older unit built to the federal minimum, from EIA household energy data and Nevada 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?
- Most of the time this means the tank itself has rusted through and is failing. Sediment builds up in the bottom of the tank over years, and once it wears a hole in the steel, water gets out and there is no patching it. It can also be a loose drain valve or a fitting weeping from above and running down the side, which looks the same but is a much smaller fix. A contractor can tell which one it is by drying everything off and watching where the water shows up first.
- Why won't the pilot light on my water heater stay lit?
- The most common cause is a worn thermocouple, the small copper probe that sits in the pilot flame and tells the gas valve it is safe to stay open. Once it wears out it can't hold that signal, so the flame goes out. A dirty pilot orifice or a draft blowing into the burner area can cause the same thing. This is a standing pilot, so it runs without power, which means the problem is with the part itself and not an outage.
- Can a tankless water heater be repaired?
- Yes, most tankless problems are repairable rather than a reason to replace the unit. A flame sensor, igniter, or flow sensor can fail on its own and be swapped out. Mineral buildup on the heat exchanger is common in areas with hard water and is cleared with a descaling flush rather than a new unit. A contractor can check the error code on the unit's display to know which part is at fault.