Water Heater Installation in Fort Madison, IA
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What Fort Madison winters ask of a water heater
Your water heater works through eight months of cold weather here, October through May, with incoming water running colder than it does the rest of the year. Winter nights averaging 20°F mean the tank has to work harder to bring that water up to temperature, and it does that day after day for most of the year.
Power outages are part of the picture too. Fifteen percent of Iowa households went at least a day without power last year, and Lee County has seen 13 winter storms and 79 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps working when the power goes out. One with electronic ignition does not. Whatever you install, it has to meet the federal efficiency minimum, which is set by a formula based on the tank's size rather than one number for every unit.
- 20°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 15%
- of Iowa 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 $280 a year to run in Iowa compared with an electric water heater.
Estimates for a typical Iowa home, from EIA household energy data and Iowa fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Look at the age first. Most tank water heaters last 10 to 15 years, so if yours is near that or past it, you're on borrowed time. Rust-colored water, a tank that's rusting on the outside, or water pooling underneath are signs the tank itself is failing, and a leaking tank can't be repaired, only replaced. If it's running out of hot water faster than it used to, or making rumbling or popping noises from sediment built up on the bottom, that's the heater telling you it's working harder to do the same job.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on what's wrong with your current tank. A tankless unit heats water on demand, so you get an endless supply instead of running out after a certain number of gallons, and it takes up a fraction of the space a tank does. But switching usually means changes to the gas line, venting, and sometimes the electrical setup, since tankless units have different requirements than a tank. A contractor can look at your home's gas line and venting and tell you what the switch would actually involve.
- What changes when you install a tankless water heater?
- The biggest change is what feeds it. Tankless units need a gas line sized for their higher demand, and many need upgraded venting since they burn hotter and faster than a standing tank. There's no tank taking up floor space, so it usually goes on a wall, which opens up room a tank used to occupy. Because the unit works differently from a tank, the permit and inspection process will look at these connections specifically, and a contractor can walk through what your home needs before the work starts.