Water Heater Installation in Jacksonville, NC
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What a water heater in Onslow County has to deal with
Winter here is mild. Nights average 35°F from December through February, and homes only need heat November through March, five months a year. That is not hard on a water heater the way a real cold snap is. What matters more here is the power. Across North Carolina, a quarter of households went at least a day without power in 2024, and this county has seen 68 damaging wind events over the past ten years. A gas water heater with a standing pilot will keep working through an outage. One that depends on power to ignite will not.
When you size a new tank, the federal minimum efficiency it has to meet is not one number. It is set by a formula based on the tank's rated volume, and that formula is applied differently depending on how the household draws hot water, so two tanks of the same type in different sizes answer to different minimums. Whoever installs your new water heater will know which one applies to yours.
- 35°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 North Carolina 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 North Carolina compared with an electric water heater.
Estimates for a typical North Carolina home, from EIA household energy data and North Carolina 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, along with what shape the tank is in. Rusty water, a tank that's making noise, or water pooling underneath are signs the tank itself is failing, not just a part inside it. If you're relighting the pilot or resetting a breaker more than once or twice, that's worth a look too. A contractor can tell you whether what's wrong is worth fixing or whether the tank has reached the point where replacement makes more sense.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on your old tank's age. A tankless unit heats water as it flows through, so you don't run out partway through back to back showers the way you can with a tank. It also takes up less space and tends to last longer than a storage tank. What it needs in return is the right gas line size or electrical circuit for the unit, and that's something specific to your house that a contractor has to check before recommending one.
- What changes when you install a tankless water heater?
- The biggest change is that you stop storing hot water and start heating it on demand. There's no tank sitting full of water waiting to be used, which means no standby heat loss and no risk of a tank rupturing and flooding the space around it. The unit itself is usually mounted on a wall rather than standing on the floor, so it frees up the space the old tank used. Venting is different too, since a tankless unit needs its own vent sized for it rather than reusing what the old tank had. A contractor will look at your gas line or electrical service before installing one, since the unit draws more at once than a tank does.