Water Heater Installation in Havre, MT
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A Havre water heater works nearly year round
Winter nights here average 8°F from December through February, and homes in Hill County need heat from September through June. That is ten months of cold groundwater coming into the tank, so a new water heater spends most of the year working to bring it up to temperature.
Power is worth planning around too. Across Montana, 18% of households went at least 24 hours without power in 2024, and this area has seen 17 winter storms and 98 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage. An electric one, or a gas one with an electric ignition, stops heating until power comes back.
The federal minimum efficiency for a new storage water heater is not one number. It is set by a formula based on the tank's rated volume, applied differently depending on how a household draws hot water, so two tanks of the same type but different sizes can face different minimums.
- 8°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?
- Water pooling at the base of the tank means it's done, and no repair fixes a leaking tank. Water that comes out rusty or with a metallic smell is another sign, since that's the tank lining breaking down inside. If it's making rumbling or popping sounds, sediment has built up on the bottom and is starting to affect the tank itself, not just performance. If your water heater is old and starting to show any of these signs, replacing it before it fails is worth considering. Given how cold it gets here, a tank that fails in the middle of winter leaves you without hot water at the worst possible time.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on whether one is better than the other everywhere. A tankless unit heats water only when you call for it, so you get endless hot water instead of running out partway through back to back showers. It also takes up much less space than a tank. Against that, a tankless unit needs a qualified contractor to check whether your gas line and venting can support it, since that's often a bigger job than a straight tank swap. A contractor can look at your home and tell you what switching would actually involve.
- What changes when you install a tankless water heater?
- The biggest change is that you stop storing hot water and start heating it on demand, so there's no tank sitting around losing heat between uses. That usually means the existing gas line is not enough, since the unit pulls more gas for the short time it's running to heat water fast. Venting changes too, tankless units vent differently than a standard tank and often need a dedicated line run to the outside. None of this is a straight swap, so a contractor will need to look at your gas supply and venting before installing one.