Water Heater Repair in Kalispell, MT
Tell us what your water heater is doing, and a licensed contractor who covers Flathead County will get in touch.
Tell us about the job
It takes about a minute.
Long heating months and hard winter storms both take a toll
Homes here need heat from August through June, which means the water heater is working nearly the whole year with little rest. Winter nights averaging 17°F put more demand on it right when storms are most likely to hit. Flathead County has logged 124 winter storms and 69 damaging wind events over the past ten years, and in Montana, 18% of households lost power for at least 24 hours in 2024.
A power outage in cold weather is hard on a water heater that is already running long hours. Most units come back on by themselves once power returns, but one worn down by steady use is more likely to fail right at that moment. You notice it as water that takes longer to heat, doesn't get as hot as before, or stops coming out hot at all.
- 17°F
- the average winter night, and colder incoming water means longer heating
- 11 months
- August through June, the months homes here need heat
- 18%
- of Montana 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 $60 a year off hot water for a typical Montana home.
Estimates for a typical Montana home, compared with an older unit built to the federal minimum, from EIA household energy data and Montana 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. Sediment builds up at the bottom of the tank over years of use, and it traps moisture against the steel until it corrodes. A leak from the bottom usually means the tank needs to be replaced, not repaired. It could also be a loose drain valve or a fitting that's failed, so it's worth having a contractor check before assuming the worst.
- Why won't the pilot light on my water heater stay lit?
- Most often this means the thermocouple has worn out and can no longer sense that the pilot is lit, so the gas valve shuts it off. It can also happen if the pilot orifice is dirty or if there's a draft reaching the pilot flame. A thermocouple is inexpensive to replace and is the first thing a contractor will check. If the pilot relights and holds when you bypass the thermocouple, that confirms it's the part at fault.
- Can a tankless water heater be repaired?
- Yes, most tankless water heater problems come down to a handful of parts that can be replaced without swapping the whole unit. Mineral buildup on the heat exchanger is common and can cause error codes or reduced hot water, especially in areas with hard water. Igniters, flow sensors, and fan motors can also fail on their own and get replaced individually. A contractor can pull the error code from the unit's display and tell you which part is causing the problem.