Water Heater Installation in Ellensburg, WA
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Ten months of hot water demand, and a grid that doesn't always hold
Water heaters in Ellensburg work most of the year. Homes here need heat from September through June, so the tank is rarely getting a break to just sit warm. Winter nights average 23°F from December through February, which means the incoming water is colder and the tank has to work harder to bring it up to temperature.
Power is part of the picture too. Across Washington, nearly a quarter of households lost power for 24 hours or more at some point in 2024, and Kittitas County has logged 26 winter storms and 3 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps working through an outage. One with electronic ignition does not, until the power comes back. When you're choosing a new water heater, it's worth asking which kind you're getting.
Any new tank also has to meet the federal minimum efficiency standard. That minimum isn't one number. It's set by a formula based on the tank's size, applied differently depending on how much hot water a household draws, so two tanks of different sizes can carry different minimums even if they're the same type.
- 23°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 23%
- of Washington 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 $280 a year to run in Washington compared with an electric water heater.
Estimates for a typical Washington home, from EIA household energy data and Washington fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Age is the first thing to check, and a contractor can tell you where your unit stands for its type. Beyond age, watch for water pooling around the base, a tank that's rumbling or popping as it heats, or hot water that takes longer to show up than it used to. Rust-colored water from the hot tap, especially if it doesn't clear up, usually means the tank is corroding from the inside, and that isn't something a repair fixes. If your water heater is electric and you've been through an outage, know that most units come back on by themselves once power returns, so a cold tank after a storm doesn't always mean the unit failed. A contractor can look at the tank's condition and tell you whether repair still makes sense or whether it's time to replace it.
- Should I switch to a tankless water heater?
- It depends on what you want from it, not just on saving space. A tankless unit heats water as it flows instead of storing it in a tank, so you don't run out partway through a long shower, and it isn't holding a tank of hot water when nobody's using it. The real tradeoff is how your house is set up, what gas line and venting you already have, and where the unit would go. A contractor who looks at your home can tell you whether the switch makes sense for you specifically.
- What changes when you install a tankless water heater?
- The biggest change is that hot water doesn't run out, since the unit heats it on demand instead of drawing down a stored tank. The unit itself also takes up much less room, mounting on a wall instead of standing on the floor. Gas tankless units typically need a larger gas line than a tank model, since they draw more fuel in the moment water is running, and the venting requirements are different as well. If you're switching from a tank to tankless, expect the installer to check the gas supply and vent path first, since that's what determines whether the job is straightforward or needs more work.