Water Heater Installation in Savannah, GA
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What a Chatham County water heater has to deal with
Savannah doesn't put much cold stress on a water heater. Winter nights average 42°F from December through February, and the house only needs heat five months a year. A tank here isn't fighting groundwater near freezing the way one further north does.
The bigger risk is the power going out. Georgia saw 31% of households lose power for 24 hours or more in 2024, and Chatham County has logged 246 damaging wind events over the past ten years alongside 2 winter storms. A gas water heater with a standing pilot will keep making hot water through an outage like that. One that runs on electricity, or a gas model with an electronic ignition, won't light again until the power comes back.
Whatever gets installed has to clear the federal minimum efficiency for its size and type. That minimum isn't one number. It's set by a formula tied to the tank's rated volume, and it's applied differently across four draw patterns, so two tanks of different sizes can face different minimums even if they're the same type of heater.
- 42°F
- the average winter night, and colder incoming water means longer heating
- 5 months
- November through March, the months homes here need heat
- 31%
- of Georgia 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 $330 a year to run in Georgia compared with an electric water heater.
Estimates for a typical Georgia home, from EIA household energy data and Georgia fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is water around the base of the tank. Once the tank itself is leaking, it's failing from the inside and won't be patched. Rusty hot water, a tank that's making rumbling or popping sounds, or a unit that's gotten old are all reasons to have it looked at before it fails outright. A water heater that quits in the middle of winter here is a worse time to be without hot water than most of the year, so it's worth replacing an old one on your schedule rather than its own.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on your old tank failing. A tankless unit heats water on demand instead of storing it, so you don't run out partway through back to back showers. It also takes less space on the wall than a tank does. Against that, it needs a contractor familiar with the venting and gas or electric supply that tankless units require, since those are different from what a storage tank uses. Either type can be installed correctly here, so the choice comes down to how your household uses hot water, not which one this area needs.
- What changes when you install a tankless water heater?
- The unit mounts on a wall instead of standing on the floor, so the space where your old tank sat opens up. Venting changes too, since tankless units vent differently than a storage tank does. The gas line or electrical circuit feeding it may also need to be sized for the new unit's demand rather than what the old tank used. A licensed contractor has to size and vent the unit correctly for your house, since one sized for a different home won't perform the same in yours.