Water Heater Installation in Enid, OK
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What a water heater in Garfield County has to deal with
Winter nights here average 27°F from December through February, and homes run their heat from October through April, seven months a year. A water heater sits in that same cold house the whole time, working harder to bring tank water up to temperature when the incoming water is colder.
Power doesn't always stay on to run it. Garfield County has seen 12 winter storms and 109 damaging wind events over the past ten years, and a quarter of Oklahoma households went at least 24 hours without power in 2024. Gas storage water heaters with a standing pilot keep working through an outage since the pilot doesn't need electricity. Any new unit installed here has to meet a federal minimum efficiency, and that minimum is set by the tank's size, so the right number depends on which size goes into the house.
- 27°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, the months homes here need heat
- 25%
- of Oklahoma 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 Oklahoma compared with an electric water heater.
Estimates for a typical Oklahoma home, from EIA household energy data and Oklahoma fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Watch for water that never gets as hot as it used to, or runs out fast when it didn't before. Rust colored water from the hot tap, or rust around the tank itself, means the tank is corroding from the inside. A tank that's making popping or rumbling sounds has sediment built up on the bottom, and that sediment shortens what's left of its life. Water pooling under the tank is the clearest sign of all, since a leaking tank does not get better and does not get fixed, only replaced. Most storage tanks last a decade or so, and if yours is getting close to that age, any one of these signs is reason enough to have it looked at before it fails.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on whether your current tank is failing. A tankless unit heats water as it flows through rather than storing it, so it doesn't run out of hot water the way a tank can when several people shower back to back. It also takes up much less space than a tank does. Switching means changes to the gas line, venting, and sometimes the electrical setup, since a tankless unit has different requirements than the tank it replaces. A contractor can look at your home's setup and tell you what that switch would actually involve.
- What changes when you install a tankless water heater?
- The biggest change is that hot water gets made on demand instead of stored ahead of time, so there's no tank sitting full of hot water waiting to be used. That usually means a larger gas line is needed, since a tankless unit draws more gas at once to heat water quickly as it passes through. Venting is different too, and most installations need new venting sized and routed for the tankless unit rather than the old tank setup. The unit itself mounts on a wall instead of sitting on the floor, which frees up the space the old tank used to take. A contractor can check your home's gas line and venting to see what needs to change for your setup.


