Water Heater Installation in Norman, OK
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What a Norman winter asks of a water heater
Winter nights here average 30°F from December through February, and homes need heat from November through April, six months of the year. That is six months where the water going into the tank starts out cold, and a water heater sized wrong for the household runs short right when it is needed most.
Power does not always stay on through those months. A quarter of Oklahoma households went at least 24 hours without power in 2024, and Cleveland County has seen 10 winter storms and 163 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage that would stop an electric one cold. Whatever you install, it has to meet the federal minimum efficiency set for its size, and that minimum is set separately for each tank volume, so the right number depends on the heater you need.
- 30°F
- the average winter night, and colder incoming water means longer heating
- 6 months
- November 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?
- The clearest sign is age, so check the date on the tank's label and ask a contractor what a reasonable lifespan looks like for that model. Rusty water, a tank that's rumbling or popping, or water pooling underneath are all signs the tank itself is failing rather than one part. If the water heater is leaking from the tank body, that's not a repair, that's a replacement, since the tank can't be patched.
- Should I switch to a tankless water heater?
- It depends on what you want from your hot water, not just what you're replacing. A tankless unit heats water on demand instead of storing it, so you don't run out partway through back to back showers, and it doesn't sit there keeping a tank of water hot when nobody's using it. Some homes need changes to the gas line or venting to support one, so a contractor should look at the house before you decide. If your current tank is failing and you're not sure which way to go, that inspection will tell you what's possible in your home.
- What changes when you install a tankless water heater?
- The biggest change is that hot water becomes limited by flow rate instead of tank size. A tankless unit can supply hot water for as long as you need it, but it can only heat so many gallons per minute, so running two showers and a dishwasher at once can outpace it depending on the unit's size. Installation often means new venting, since tankless units vent differently than tank models, and sometimes a larger gas line to supply the burner. It also frees up the space the old tank used to take up, since the unit mounts on a wall instead of standing on the floor.