Water Heater Installation in Moab, UT
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A new water heater here works through eight cold months
Moab homes need heat from October through May, eight months of the year, and winter nights average 20°F from December through February. That is most of the year for a tank to be recovering from cold incoming water, not just a few weeks in the deep of winter.
The federal minimum efficiency for storage water heaters is not one number. It is set by a formula tied to the tank's rated volume, applied separately across four draw patterns, so two tanks of different sizes can face different minimums even when they are the same type. Whoever installs yours should know which minimum applies to the size you need.
- 20°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 7%
- of Utah 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 $320 a year to run in Utah compared with an electric water heater.
Estimates for a typical Utah home, from EIA household energy data and Utah fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is age combined with a problem. Once a tank water heater gets old, rust colored water, a tank that's warm to the touch on the outside, or water pooling underneath usually means the tank itself is failing rather than one part. If it's still fairly new and just not keeping up, that's more likely a thermostat, heating element, or sediment buildup, and worth having a contractor check before you replace anything. Winters here get cold enough that going without hot water for long isn't something to plan around, so if the tank is old and showing signs, it's worth acting before it fails outright.
- 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 case. A tankless unit heats water on demand instead of storing it, so you don't run out of hot water partway through a shower, and it keeps working without a bulky tank sitting in a closet or basement. But installing one often means changes to the gas line, venting, or electrical setup, since tankless units draw more at once than a standard tank did. A contractor can look at your current setup and tell you what switching would actually involve in your house.
- What changes when you install a tankless water heater?
- The unit itself is smaller and mounts on a wall instead of taking up floor space, but what changes behind the wall is often more involved. Tankless units typically need a larger gas line or dedicated electrical circuit to handle the higher output needed to heat water instantly, and the venting is different from what a tank uses. Some homes also need a new water line setup depending on where the old tank was. None of this means it can't be done, it just means the installation is more than a straight swap, and a contractor will need to check the gas line, venting, and electrical before pricing the job.