Water Heater Installation in Atlanta, GA
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What Fulton County asks of a water heater
Winter nights here average 35°F from December through February, and homes across the county run their heat from November through April. A water heater works harder through those six months, pulling in colder groundwater and holding tank temperature against a colder room.
Power is the other piece. Nearly a third of Georgia households lost power for 24 hours or more in 2024, and the county has logged 162 damaging wind events and 10 winter storms over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage. Most other types come back on by themselves once power returns. Whatever gets installed, the federal efficiency minimum it has to meet depends on its size. Storage water heaters are rated against a formula tied to the tank's volume, applied across four draw patterns, so two tanks of the same type can face different minimums.
- 35°F
- the average winter night, and colder incoming water means longer heating
- 6 months
- November through April, 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
- How do I know it's time to replace my water heater?
- Age and how it is failing tell you most of what you need to know. Once a tank water heater gets old, a repair is a patch on a machine that is wearing out everywhere at once. Rusty water, a tank that is wet around the base, or water that will not get hot all point to the tank itself rather than a part that can be swapped out. If the tank is leaking, that is not a repair. It gets replaced.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on whether your current tank is failing. A tankless unit heats water as it runs rather than 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. It also usually means changes to the gas line, venting, or electrical to meet what the new unit needs, so a contractor has to look at the house before saying whether it is a straight swap or a bigger job. Weigh that against how your household actually uses hot water, since that is what the switch changes.
- What changes when you install a tankless water heater?
- The unit itself is smaller, but what feeds it usually has to get bigger. Tankless heaters draw more gas or more electrical current at the moment they fire than a tank does, so the gas line, the electrical circuit, or the venting may need upgrading to handle that load. Venting changes the most, since tankless units vent differently than a tank and often need new pipe run to the outside. A contractor can look at what is already in place and tell you exactly what has to change for your house.