Water Heater Installation in Hammond, LA
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What a new water heater needs to handle here
Tangipahoa Parish doesn't put much strain on a water heater from the cold. Winter nights average 42°F, and homes here only need heat from November through March, five months a year.
The bigger risk is the power going out. Close to half of Louisiana households lost power for 24 hours or more in 2024, and the parish has logged 48 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water straight through an outage. One that relies on electronic ignition or an electric element will not until the power is back, though it will come back on by itself once it is. Whatever you install, it has to meet the federal efficiency minimum, which is set by a formula tied to the tank's size rather than one number for every unit.
- 42°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?
- Age is the first thing to check. Most tank water heaters last about a decade, and past that point the tank itself is more likely to fail than any part inside it. Look for rust-colored water, a tank that's damp or weeping around the base, or water that takes longer to heat than it used to. If the unit is old and starting to act up, replacing it before it fails is usually better than waiting, since a tank that lets go can flood the space around it with no warning.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not just on your current tank. A tankless unit heats water on demand instead of storing it, so you don't run out of hot water partway through back-to-back showers or a load of laundry started right after a bath. It also takes up much less space than a tank. What it won't do is fix low water pressure or a plumbing problem somewhere else in the house. A contractor can look at your gas line, venting, and water use to say whether tankless makes sense for your home specifically.
- What changes when you install a tankless water heater?
- The biggest change is that a tankless unit needs more gas flow than a tank of the same output, so the gas line running to it sometimes has to be resized. Venting is different too. Tankless heaters vent through their own dedicated venting, which usually means new venting has to be run rather than reusing what the old tank used. The install also needs a permit and an inspection when it's done, same as any water heater replacement. A contractor can look at the gas line, the venting path, and the spot where the unit will go before pricing the job.