Water Heater Installation in Walla Walla, WA
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A water heater in Walla Walla works most of the year
Winter nights here average 29°F from December through February, and homes need heat from October through May, eight months of the year. That means the cold water coming into your tank is cold for most of the year, and the heater has to work harder to bring it up to temperature.
Power loss is worth planning for too. Statewide, close to a quarter of households went at least a day without power in 2024, and Walla Walla County has logged 67 winter storms and 37 damaging wind events over the past ten years. A gas water heater with a standing pilot will keep running through an outage. One with electric ignition will not light until power is back. When you're sizing a new tank, know that the federal efficiency minimum isn't one number. It's a formula based on the tank's rated volume, and it's applied differently depending on how the household draws hot water, so two tanks of the same type can carry different minimums.
- 29°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, 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 and how it's failing tell you most of what you need to know. Once a tank water heater is old enough that the tank itself starts leaking, that's replacement, not repair, since a leaking tank can't be patched. Rusty hot water, a tank that's noisy with sediment, or water pooling at the base all point to the tank going, not just a part inside it. If a heating element, thermocouple, or thermostat is the problem instead, a contractor can often repair it rather than replace the whole unit.
- Should I switch to a tankless water heater?
- It depends on what you want from it, not just on your old tank failing. A tankless unit heats water on demand instead of storing it, so you get endless hot water and don't spend energy keeping a full tank hot around the clock. Winters here get cold enough that the water coming into the house is colder too, which lowers the flow rate any tankless unit can put out compared to a warmer climate. A contractor can size a unit against your home's fixtures and tell you what flow rate you'd actually get.
- What changes when you install a tankless water heater?
- The unit itself is smaller and mounts on a wall instead of standing on the floor, so the space where your old tank sat opens up. Tankless units need a gas line sized for their higher burner demand and a venting setup rated for that unit, which often means new vent pipe even if the old vent looked fine. Some homes also need an upgraded electrical connection for the unit's controls. A contractor evaluating your home will check the existing gas line, vent, and electrical before quoting the install.