Water Heater Installation in Holly Springs, MS
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What a new water heater needs to handle here
Winter nights in Holly Springs average 33°F from December through February, and the incoming water feeding the tank runs cold right along with it. That means more work to bring a tankful up to temperature on the coldest nights of the year, which is when the household is asking the most of it.
Power doesn't always stay on to do that work. Mississippi saw 30% of households go at least 24 hours without power in 2024, and Marshall County has logged 11 winter storms and 29 damaging wind events over the past ten years. A gas water heater with a standing pilot will keep making hot water through an outage. One that depends on electronic ignition won't light until the power is back. Either way, worth knowing before the old one is replaced. Whatever unit goes in also has to meet the federal minimum efficiency for its size and type, since the standard is set separately for each tank volume and draw pattern rather than as one flat number.
- 33°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, 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?
- Look at the age first, since older tanks fail without warning once they're past their expected life. Rust colored water, a tank that's rusting on the outside, water pooling underneath, or a burning smell all mean it's time. If you're getting lukewarm water or it runs out fast when it used to last, the heating element or burner is likely wearing down. A contractor can tell you whether it's worth repairing or whether replacement is the better move, especially if the tank itself is leaking, since a leaking tank can't be repaired.
- Should I switch to a tankless water heater?
- It depends on what you want out of your hot water and what your home can support. 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 wall space instead of floor space, which matters in a smaller utility closet or garage. The tradeoff is that installing one can mean changes to your gas line, venting, or electrical circuit depending on the model, so a contractor needs to look at your home's 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 taking up floor space, since there's no tank to store water. Gas tankless units usually need a larger gas line than a tank heater used, because they draw more gas to heat water instantly. Venting is different too, often requiring a dedicated vent run to the outside. Electric tankless units may need a higher capacity circuit than your existing water heater used. A contractor will check your gas line, venting, and electrical setup to know what needs to change in your specific home.