Water Heater Installation in Columbus, MS
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What a Lowndes County water heater has to handle
Winter nights here average 35°F from December through February, and homes need heat from November through March. That is five months where the water coming into the tank starts out cold, and the heater has to work harder and longer to bring it up to temperature.
Power loss is a real factor here too. Nearly a third of Mississippi households went at least 24 hours without power in 2024, and the county has logged 110 damaging wind events and 6 winter storms over the past ten years. Most storage water heaters come back on by themselves once power returns, but a gas unit with a standing pilot will need that pilot lit again by hand. The federal efficiency minimum for a new one is not one number either. It is set by a formula tied to the tank's size, so the right minimum depends on the size you install.
- 35°F
- the average winter night, and colder incoming water means longer heating
- 5 months
- November through March, the months homes here need heat
- 30%
- of Mississippi 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 $260 a year to run in Mississippi compared with an electric water heater.
Estimates for a typical Mississippi home, from EIA household energy data and Mississippi fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is water pooling around the base of the tank. That means the tank itself is failing, and it will not stop. Rust colored water from the hot side, a tank that runs out of hot water faster than it used to, or a pilot that won't stay lit are also signs the unit is on its way out. If yours is showing any of these problems, it is worth having a contractor look at it before it fails on its own.
- Should I switch to a tankless water heater?
- That depends on what you want out of it and what your home can support. A tankless unit heats water on demand instead of storing it, so you do not run out of hot water partway through a shower, and it takes up far less space than a tank. Switching usually means changes to the gas line, the venting, or the electrical circuit, since tankless units draw more power at once than a standard tank. A contractor can tell you what your house would need to make the switch.
- What changes when you install a tankless water heater?
- The biggest change is that hot water becomes available as long as you need it, since there is no tank to drain. To get there, the gas line often has to be upsized because a tankless unit pulls more gas at once than a storage tank does. The venting is different too, usually running through the wall or roof with pipe rated for the higher temperatures a tankless unit produces. Some homes also need an upgraded electrical circuit for the unit's controls and ignition. A contractor can walk through what your specific setup would need.