Water Heater Installation in Appleton, WI
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A new water heater here works nine months of hard winter a year
Winter nights average 13°F from December through February in Outagamie County, and homes here need heat September through May, nine months of the year. A water heater in that kind of house is rarely working against mild conditions.
Power outages are a real risk too. Close to a fifth of Wisconsin households went at least 24 hours without power in 2024, and the county has logged 22 winter storms and 79 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water straight through an outage. An electric one, or a gas unit with electronic ignition, comes back on by itself once power returns. Either way, a new install has to meet the federal minimum efficiency for its size and type, since that standard is set separately for each tank volume and draw pattern rather than as one number for every water heater.
- 13°F
- the average winter night, and colder incoming water means longer heating
- 9 months
- September through May, the months homes here need heat
- 18%
- of Wisconsin 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 $330 a year to run in Wisconsin compared with an electric water heater.
Estimates for a typical Wisconsin home, from EIA household energy data and Wisconsin fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Check the age on the label first, since a tank that's old is more likely to be the cause of whatever you're seeing. If it's leaking from the tank itself, not a fitting or valve, that tank is done and won't be repaired. Rusty water from the hot tap, a tank that's noisy with popping or rumbling, or hot water that runs out fast are all signs the tank is failing inside. A contractor can tell you whether what you're seeing is worth repairing or means it's time for a new one.
- Should I switch to a tankless water heater?
- It depends on what you want out of it. A tankless unit heats water on demand instead of holding a tank of it hot all day, so you don't run out partway through a shower with back to back use. It won't work the same as your old tank in every way though. Gas tankless units need a larger gas line and venting sized for the unit, and that changes what the installation involves. A contractor can look at your home's gas supply and venting and tell you what switching would actually take.
- What changes when you install a tankless water heater?
- The unit itself is small enough to mount on a wall instead of taking up floor space for a tank. Gas tankless units need their own dedicated vent, sized and routed for that specific unit, which usually means new venting work even if you're replacing an old gas water heater. They also need a gas line sized to deliver enough fuel for the unit to fire at full output, and older homes weren't always piped for that. A contractor will check your gas line and venting before install to confirm what needs to change.