Water Heater Installation in Peoria, IL
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A new water heater here has to cover eight cold months
Peoria County needs heat in the house from October through May, and that means your water heater is working the coldest months of the year, not just a few. Winter nights average 20°F from December through February, so incoming water runs cold and the tank has to work harder to bring it up to temperature.
Power does go out here. Storm records over the past ten years show 12 winter storms and 147 damaging wind events in the area, and statewide, 16% of households lost power for 24 hours or more in 2024. That is worth thinking about when you choose between gas and electric. A gas tank with a standing pilot stays lit through an outage. An electric one, or a gas unit with electronic ignition, comes back on once the power does, but won't run without it. Whatever size and type you install, it has to meet the federal minimum efficiency set for that size tank. The rule is not one number for all water heaters. It is figured separately for the size and type you get, so a contractor sizing your installation is also the one confirming which minimum it has to hit.
- 20°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 16%
- of Illinois 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 $360 a year to run in Illinois compared with an electric water heater.
Estimates for a typical Illinois home, from EIA household energy data and Illinois fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Age is the first thing to check. Most tank water heaters last 8 to 12 years, and once you're past that, a repair is just delaying the next failure. Watch for water pooling around the base, water that runs rusty or has a metallic taste, or a tank that makes rumbling or popping sounds as sediment builds up on the bottom. If it's still under 8 years old and the trouble is a small one, like a pilot that won't stay lit or a heating element that failed, a contractor can usually fix that instead of replacing the whole unit.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on any problem with your current tank. A tankless unit heats water only when you open a tap, so you don't pay to keep a tank of water hot all day, and you won't run out partway through a shower if someone else in the house is running the dishwasher. It also takes up a fraction of the space a tank does, which matters if you're tight on room in the mechanical area. The tradeoff is that installing one usually means new venting and gas or electrical work suited to how tankless units draw power, so it's a bigger job than swapping one tank for another. A contractor can walk through your gas line, venting, and electrical setup to say whether your house is a straightforward switch or needs more work first.
- What changes when you install a tankless water heater?
- The venting changes first. Tankless units vent differently than tank models, so the exhaust path usually has to be run new rather than reused. The gas line often needs to be resized too, because a tankless unit calls for a larger burner to heat water on demand instead of keeping a tank warm. Electrical work may be needed as well, even on a gas unit, since the electronics that control ignition and modulation need their own circuit. None of this means a tankless swap is out of reach, but it's more than a one-for-one replacement, and a contractor should look at your gas line, vent path, and electrical panel before quoting the job.