Water Heater Installation in Columbus, MT
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Ten months of heat, and a tank that can't take a day off
Stillwater County needs heat from September through June, ten months of the year. That is ten months where your water heater is either running steadily or sitting through a cold snap with no break in between. Winter nights here average 15°F, and a new unit has to be sized and installed to handle that kind of cold without strain.
The county has logged 160 winter storms and 112 damaging wind events over the past ten years, and in 2024, 18% of Montana households lost power for at least a full day. A gas water heater with a standing pilot keeps making hot water through an outage like that. Electric models and gas units with electronic ignition come back on by themselves once the power is restored. Whatever you choose, it has to meet the federal minimum efficiency set for its type and tank size, a standard that changes with the size of the unit rather than staying fixed across the board.
- 15°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September 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 heat pump water heater would save about $400 a year to run in Montana compared with an electric water heater.
Estimates for a typical Montana home, from EIA household energy data and Montana fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Watch for water around the base of the tank. That usually means the tank itself is failing, and once it starts it does not stop. Rusty hot water, a tank that is over ten to fifteen years old, or water that never gets as hot as it used to are the other signs worth acting on. If the tank is leaking, replace it before it fails outright and floods the space around it.
- Should I switch to a tankless water heater?
- It depends on what you want from your hot water and what your home can support. A tankless unit gives you hot water on demand instead of a limited supply from a tank, which matters if your household runs out of hot water often. But it needs the right gas line size or electrical circuit, and venting to match, so a contractor needs to look at your home before you decide. Winter nights here average 15°F, and colder incoming water means a tankless unit has to work harder to deliver the same flow, which affects what size unit your home needs.
- What changes when you install a tankless water heater?
- The biggest change is that you stop storing hot water and start heating it as it flows through the unit. That means no tank taking up floor space, but it also means the unit depends on a steady gas supply or electrical circuit sized for it, which the old tank did not need. Venting changes too, since a tankless unit vents differently than a tank does. A contractor will check the gas line, electrical panel, and venting path before installing one, since all of these need to match the new unit.