Water Heater Installation in Owensboro, KY
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What a new water heater in Daviess County needs to handle
Winter nights here average 28°F from December through February, and the tank sits in that cold for the seven months a year homes need heat, October through April. The colder the water coming in, the harder the unit works to bring it up to temperature, and that is true whether you are replacing an old tank or adding a new one.
Power is worth planning around too. Nearly a quarter of Kentucky households went at least a day without power in 2024, and the last ten years brought 14 winter storms and 95 damaging wind events to this area. A gas water heater with a standing pilot will keep working through an outage. One with electronic ignition will not light until the power is back. Whatever you choose has to meet the federal minimum efficiency for its size, which is set separately for each tank volume rather than as one number for every unit.
- 28°F
- the average winter night, and colder incoming water means longer heating
- 7 months
- October through April, the months homes here need heat
- 24%
- of Kentucky 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 Kentucky compared with an electric water heater.
Estimates for a typical Kentucky home, from EIA household energy data and Kentucky fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- Age is the first sign. Once a tank water heater gets old, the tank itself is closer to failing than not, and a failed tank means water on the floor. Watch for rust colored water from the hot tap, rust on the tank near the fittings, or water pooling at the base. Popping or rumbling sounds mean sediment has built up on the bottom of the tank, and that shortens what's left of its life. If you're calling a contractor for the second or third repair in a year, replacing it costs you less trouble than keeping it going.
- Should I switch to a tankless water heater?
- It depends on what you want from it, not just on the tank you have now. A tankless unit heats water as it flows through rather than storing it, so it won't run out partway through back to back showers the way a tank can. It also takes up less space and does not carry standby losses from keeping a full tank hot around the clock. Against that, switching from a tank means changing the gas line, venting and sometimes the electrical hookup, so it's a bigger job than a straight tank swap. A contractor can look at your house and tell you what the switch actually involves for you.
- What changes when you install a tankless water heater?
- The gas line usually has to be upsized, because a tankless unit draws more gas at once to heat water on demand than a tank does. The venting changes too, since tankless units vent differently than a standard tank, and that often means new venting run to the outside wall or roof. Some models need a dedicated electrical circuit for their controls even though they're gas fired. Because a tankless unit heats water only while it's running, not to store, it's mounted on the wall rather than sitting on the floor, which changes where it can go in the house. Any of this work needs a permit and inspection from the local building office once it's done.


