Water Heater Installation in Slidell, LA
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Slidell winters are mild, but the power isn't always there
Winter nights here average 43°F from December through February, so a water heater in Slidell isn't fighting the cold the way one up north does. The bigger question is what happens when the power goes out. Nearly half of Louisiana households lost power for 24 hours or more in 2024, and this parish has seen 88 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage. One with electric ignition, or an electric tank itself, won't come back on until the power does, though most start back up on their own once it's restored.
New units also have to meet the federal minimum efficiency for their size and type. That minimum isn't one number. It's set by a formula tied to the tank's rated volume, applied separately depending on how the household draws hot water, so two tanks of the same type in different sizes can face different requirements.
- 43°F
- the average winter night, and colder incoming water means longer heating
- 5 months
- November through March, the months homes here need heat
- 49%
- of Louisiana 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 Louisiana compared with an electric water heater.
Estimates for a typical Louisiana home, from EIA household energy data and Louisiana fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is age, and after that, how the tank is behaving. Water pooling at the base, rust-colored water, or a tank that rumbles as it heats are signs the tank itself is wearing out, not just a part inside it. If you're topping up hot water less often than you used to, or it runs out faster than it did a year ago, that's the tank losing capacity. A licensed contractor can look at it and tell you whether it's worth repairing or time to replace.
- Should I switch to a tankless water heater?
- It depends on what you want from your hot water, not just on saving money. A tankless unit heats water as it flows through rather than storing it, so you don't run out partway through a shower with the dishwasher running. It also takes up less space than a tank, which matters if yours is tucked in a closet or utility room. The tradeoff is that a tankless system usually asks for different gas or electrical connections than your current tank, so a contractor needs to look at your setup before you decide.
- What changes when you install a tankless water heater?
- The unit itself changes, and so does what feeds it. A tankless heater usually needs a larger gas line or a dedicated electrical circuit than a tank did, because it heats water on demand instead of keeping a tank warm all day. Venting changes too, since tankless units vent differently than most tank models. Louisiana requires a state license to do this work, and most cities and counties require a permit and inspection when a water heater is replaced, so the connections get checked before the job is called done.