Water Heater Installation in Ardmore, OK
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What Ardmore winters ask of a water heater
Winter nights here average 32°F from December through February, and homes need the furnace running from November through March. Cold ground water takes more energy to bring up to temperature, so a water heater works hardest in those months.
Carter County has logged 5 winter storms and 40 damaging wind events over the past ten years, and across Oklahoma a quarter of households went at least a day without power in 2024. A gas water heater with a standing pilot keeps working through an outage. One with electronic ignition will not light until the power is back.
Federal rules set a minimum efficiency for storage water heaters, but the figure is not the same for every unit. It is a formula based on the tank's rated volume, applied across four different draw patterns, so two tanks of the same type can face different minimums depending on their size. A new installation has to meet the number that applies to its own size and draw pattern.
- 32°F
- the average winter night, and colder incoming water means longer heating
- 5 months
- November through March, 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 $250 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, along with how the tank is acting. Once a water heater is old, a failure can happen any time, often without warning. Watch for rusty water, a tank that's damp or wet around the base, or water that takes longer to heat than it used to. If a contractor tells you the tank itself is rusting from the inside, that's not something that gets fixed, only replaced.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on your current unit failing. A tankless unit heats water on demand instead of storing it, so you don't run out during a long shower or back-to-back loads of laundry. It also takes up far less space than a tank. The tradeoff is that installation is more involved, since a tankless unit often needs different gas or venting than a tank did, so a contractor will need to look at your setup before you decide.
- What changes when you install a tankless water heater?
- The unit itself is smaller and mounts on a wall instead of standing on the floor, so you get that space back. Because it heats water as it flows through rather than storing a tankful, the venting and gas line requirements are often different from what your old tank used, which is why installation isn't a straight swap. Ask the contractor whether your home's existing gas line and vent can support the new unit, or whether those need updating too.