Water Heater Installation in Casper, WY
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A water heater in Casper works through a long, cold season
Winter nights here average 14°F from December through February, and homes need heat from September through June. Ten months a year, the water coming into the tank is cold, and the heater has to make up more ground to bring it to temperature.
Casper also sees its share of winter storms and damaging wind, and some homes in Wyoming lose power for a day or more when they hit. A standing pilot model stays lit through an outage. A model with electronic ignition will come back on by itself once power returns. Either way, it's worth knowing which one is going into your home. Storage water heaters also carry a federal minimum efficiency that depends on the tank's size, so two homes replacing different sized heaters may be looking at different minimums.
- 14°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 8%
- of Wyoming 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 $300 a year to run in Wyoming compared with an electric water heater.
Estimates for a typical Wyoming home, from EIA household energy data and Wyoming 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. Most tank water heaters have a limited working life, and once a tank gets old, the tank itself is more likely to fail than any part inside it. Rusty water, rust on the outside of the tank, water pooling underneath, or a unit that can't keep up with hot water anymore are all signs the tank is on its way out. If yours is old and showing any of these, replacing it before it leaks is worth doing, since a failed tank means water on the floor with no warning.
- Should I switch to a tankless water heater?
- It depends on what you want out of it. A tankless unit heats water as it flows through, so you don't run out of hot water partway through a shower, and it isn't keeping a tank of water hot all day when nobody's using it. Winters here run cold enough that incoming water temperature is quite low for much of the year, and a tankless unit has to work harder to raise it, so sizing the unit right for the house matters more here than somewhere milder. A contractor can look at the house and tell you what size unit would actually keep up.
- What changes when you install a tankless water heater?
- The biggest change is that there's no tank storing hot water anymore, so hot water only comes when something is drawing it. That means no standby heat loss, but it also means the unit has to be sized for the highest demand in the house, like a shower and a dishwasher running at once. Venting is different too, since tankless units typically need their own dedicated vent rather than sharing one. The gas line and electrical connections often need to be checked as well, since a tankless unit can draw more than the tank it's replacing.