Water Heater Installation in Champaign, IL
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Water heaters here work eight months of cold into every year
Champaign County needs heat from October through May, eight months of the year. That means the water coming into the tank runs cold most of the year too, and on winter nights averaging 21°F, it's colder still. A new water heater here spends most months bringing that cold water up to temperature, not just topping off water that was already warm.
Power is part of the picture too. Illinois saw 16% of households lose power for 24 hours or more in 2024, and this county has logged 223 damaging wind events and 11 winter storms over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage. One with electric ignition won't, until the power is back.
Federal rules set a minimum efficiency for storage water heaters, but the number isn't fixed. It's a formula based on the tank's rated volume, applied separately across four different patterns of hot water use. Two tanks of different sizes, in two different households, can face different minimums even if they're the same type of heater.
- 21°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?
- Look at the age tag on the tank first. Most storage water heaters have a working life, and once a tank is old and starting to act up, a repair is usually just delaying the same decision. Rust-colored hot water, a tank that's damp or rusting at the seams, or water that never gets as hot as it used to are signs the tank itself is failing rather than one part in it. A leak at the tank means replace it now, since that's the shell, not a fitting a contractor can swap out.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on your old tank's age. A tankless unit heats water only when you're drawing it, so you don't pay to keep a tank of water hot all day, and you don't run out partway through a long shower with someone else in the house. What it won't do is deliver hot water faster to a tap on the other side of the house, since that's a matter of pipe length either way. A contractor can look at your gas line, your venting, and your incoming water flow to tell you whether your house is a straightforward fit or needs work to get there.
- What changes when you install a tankless water heater?
- The unit itself is smaller and mounts to a wall instead of standing on the floor, so you get the floor space back. It needs its own venting, sized and run for that unit, which is different from what a tank uses. Gas units also need enough gas flow to fire the burner on demand, so the existing gas line sometimes has to be upsized. None of this is guesswork a homeowner should try to judge from the tank alone. A contractor checks the gas line, the vent path, and the water flow into the house before saying what the swap actually involves for your place.