Water Heater Installation in Huntsville, AL
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What a Madison County winter asks of a water heater
Winter nights here average 33°F from December through February, and homes need heat from October through April, seven months of the year. A water heater is working through most of that stretch, not just a few cold snaps. Storms are part of the picture too. Alabama saw 18% of households lose power for 24 hours or more in 2024, and this area has logged 431 damaging wind events and 9 winter storms over the past ten years. A tank-style gas water heater with a standing pilot keeps making hot water through an outage like that. One that needs power to ignite will not, until the power is back.
Federal rules set a minimum efficiency for storage water heaters, but the number is not the same for every unit. It is figured from the tank's rated volume against four different draw patterns, so two heaters of the same type and different size can face different minimums. Whoever installs your new one needs to match the unit to your household's actual draw, not just pick one off the lot.
- 33°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, the months homes here need heat
- 18%
- of Alabama 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 $310 a year to run in Alabama compared with an electric water heater.
Estimates for a typical Alabama home, from EIA household energy data and Alabama fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is water on the floor around the tank. Once a tank starts leaking, it's failing, and it won't get better on its own. Rust colored water from the hot tap, especially if it doesn't clear after running it a minute, points to corrosion inside the tank itself. A tank that's making rumbling or popping noises has sediment built up on the bottom, and that speeds up wear on the tank. Water that used to get hot and doesn't anymore, or runs out faster than it used to, is also worth a look. If the tank is original to the house and you don't know its age, check the rating plate for the manufacture date. Most storage tanks are built to last a set number of years, and once you're past that, a leak can happen 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 giving out. A tankless unit heats water as you use it 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 much less space than a tank. The tradeoff is that switching from a storage tank to tankless usually means changes to the gas line, venting, or electrical, since tankless units draw more than a standard tank does at the moment it's heating. A contractor can look at your current setup and tell you what switching would actually involve in your house.
- What changes when you install a tankless water heater?
- The biggest change is that there's no tank storing hot water anymore. It's heated on demand, right when you turn on the tap. That means the unit needs enough gas supply or electrical capacity to heat water at that rate, which is often more than what a storage tank needed, so the gas line or circuit may need to be upsized. Venting is different too. Tankless units typically vent through a smaller pipe designed for their exhaust, not the standard flue a tank used. Where it goes on the wall changes as well, since tankless units mount up off the floor rather than sitting on it. A contractor can walk through what your home's current gas, electrical, and venting can support before deciding on a unit size.