Water Heater Installation in Vancouver, WA
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Nine months of heavy use, and storms that cut the power
Water heaters in Clark County run hard. Homes here need heat, including hot water, from October through June, nine months of the year, and winter nights average 35°F from December through February. Cold ground water takes more energy to heat, so the tank cycles more and works harder over a longer stretch than it would somewhere warmer.
Power is worth planning around too. Nearly a quarter of Washington households went at least a day without power in 2024, and the county has logged six winter storms and two damaging wind events over the past ten years. If you're choosing between a gas and an electric water heater, that history matters. A new water heater also has to meet a federal minimum efficiency standard, and that standard is set by a formula based on the tank's size, so a smaller tank and a larger one from the same lineup are held to different numbers.
- 35°F
- the average winter night, and colder incoming water means longer heating
- 9 months
- October 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?
- The clearest sign is water pooling under the tank or rust coming through in the hot water. Once a tank starts to leak, it will not seal back up, because the metal has already given way from the inside. Popping or rumbling sounds, or hot water that runs out faster than it used to, are also signs the tank is wearing out. A contractor can check the age off the label and tell you whether it is worth repairing or time to replace it.
- 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 in every home. A tankless unit heats water only when you open a tap, so you are not paying to keep a tank of water hot around the clock, and you get a steady supply of hot water instead of running out partway through a shower. Homes here need heat from October through June, so a water heater is doing a lot of work most of the year either way. Whether tankless makes sense for your house depends on your gas line, your water quality, and what fixtures run at once, so a contractor should look at your specific setup before you decide.
- 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, which usually means new venting, a bigger gas line, or an electrical upgrade depending on the unit. Tankless units need more gas flow in the moment than a tank does, because they heat water as it passes through rather than drawing off a reserve, so the gas line sized for your old tank may not be enough. The mounting is different too, since tankless units go on a wall rather than sitting on the floor, and the venting has to be run to match. A contractor will need to see your gas meter, your existing lines, and where the unit would go before saying what your house needs changed.