Water Heater Installation in Lafayette, IN
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Eight months of cold water asks more of a new tank
Groundwater here runs cold from October through May, the same stretch your house needs heat. That is eight months where incoming water needs more energy to bring up to temperature, not a short stretch in the middle of winter. A new water heater has to be sized for that, not for a mild season.
Winter nights averaging 21°F come with real storms. Tippecanoe County has logged 10 winter storms and 83 damaging wind events over the past ten years, and statewide, 17% of households lost power for a full day or more in 2024. A water heater that depends on electricity to run goes down with everything else when that happens. On the efficiency side, the federal minimum for a new storage tank is tied to its size, so the right number for your home depends on the tank you actually need, not one figure that applies to all of them.
- 21°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 17%
- of Indiana 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 Indiana compared with an electric water heater.
Estimates for a typical Indiana home, from EIA household energy data and Indiana fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is age combined with trouble. Tank water heaters have a working life, and once a unit is old and starting to leak, rust, or make rumbling noises from sediment on the bottom, a repair is often just a delay before the next problem. Water pooling at the base of the tank or water coming out rust colored are both signs the tank itself is failing, not just a part inside it. If the heater is original to the house and you are already calling someone out for a repair, ask whether replacement makes more sense than fixing it again.
- Should I switch to a tankless water heater?
- It depends on what you want from your hot water, not just on saving space. A tankless unit heats water as you use it instead of storing a tankful, so you get a steady supply that does not run out partway through a long shower. It will not fix low water pressure, and it needs a contractor familiar with tankless venting and gas line sizing to install it correctly, since those requirements are different from a tank system. If your current tank is near the end of its life, replacement is a good time to weigh this against just installing another tank.
- What changes when you install a tankless water heater?
- The biggest change is that hot water no longer runs out. A tank holds a fixed supply and takes time to reheat once it is used up, but a tankless unit heats water on demand, so a full house of showers back to back is not a problem. The installation itself is different too. Tankless units often need a larger gas line and different venting than a tank, and they mount on the wall instead of taking up floor space on the floor. Because homes here need heat for eight months of the year, incoming water runs cold for a good part of it, and a contractor sizing the unit needs to account for that when picking the right model for your home.