Water Heater Installation in Alexandria, MN
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Alexandria asks a lot of a water heater, nine months a year
Winter nights here average 5°F from December through February, and the house needs hot water the whole time, September through May. That is nine months a year the tank has to keep up.
Minnesota also sees its share of outages. Statewide, 13% of households lost power for 24 hours or more in 2024, and this county has logged 27 winter storms and 44 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage. One that relies on an igniter will not, until the power comes back. Whichever type goes in, it has to meet the federal minimum efficiency set for its tank size, which is figured separately for each size rather than as one number for every heater.
- 5°F
- the average winter night, and colder incoming water means longer heating
- 9 months
- September through May, the months homes here need heat
- 13%
- of Minnesota 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 $360 a year to run in Minnesota compared with an electric water heater.
Estimates for a typical Minnesota home, from EIA household energy data and Minnesota fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is water that won't stay hot, or runs out faster than it used to. Rust-colored water, a tank that's rusting on the outside, or water pooling underneath are signs the tank itself is failing, and that isn't something to patch. If yours is getting old and starting to act up, it's worth having a contractor look at it before it fails outright. A tank that fails completely can dump its full volume of water where it sits, so replacing an aging unit on your own schedule is better than waiting for it to choose the moment for you.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on whether your current tank is failing. A tankless unit heats water as it flows through, so it doesn't run out the way a tank does when several people shower back to back. It also takes up much less space than a tank. Against that, a tankless unit needs its own venting and gas or electric supply sized for it, which is more involved than swapping in another tank. A contractor can look at your gas line, your electrical panel, and your water use and tell you whether the switch makes sense in your house.
- What changes when you install a tankless water heater?
- The biggest change is that hot water no longer runs out. A tank holds a fixed supply and refills as it's used, but a tankless unit heats water on demand, so as long as the flow rate is within what it can handle, it keeps up. That means the unit itself needs a stronger gas line or dedicated electrical circuit than a tank did, along with venting built for it. It also takes up a fraction of the space, usually mounted on a wall instead of standing on the floor, which frees up room where the old tank sat.