Water Heater Installation in Nicholasville, KY
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What a water heater in Jessamine County has to handle
Winter nights here average 27°F from December through February, and the incoming water your heater has to warm is colder for the seven months a year homes run their heat, October through April. A tank built for a milder climate works harder here for a good part of the year.
Jessamine County has seen 13 winter storms and 37 damaging wind events over the past ten years, and in 2024 nearly a quarter of Kentucky households lost power for 24 hours or more. A gas water heater with a standing pilot will come back on without power. An electric one waits for power to return. Either way, a new installation is worth planning around the outages that do happen here.
Federal efficiency minimums for storage water heaters are not one number. They are set by a formula tied to the tank's rated volume, and that formula is applied separately across four different draw patterns. Two tanks of the same type but different size can face different minimums, so the right size for your household matters as much as the type you choose.
- 27°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 $270 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 and how it is failing tell you most of what you need to know. Most tanks are built to last about a decade, and once a tank starts leaking at the base or the water coming out is rust colored, that is the tank itself failing, not something worth patching. Water that will not get hot, a pilot or igniter that keeps going out, or a puddle forming underneath all point the same direction. If the tank is leaking, replace it. If it is still fairly new and the problem is a part like a thermostat or heating element, a contractor can tell you whether that part is worth fixing first.
- Should I switch to a tankless water heater?
- That depends on what you want from it, not on a rule that says one type is better. Tankless units heat water as it flows through rather than storing it, so you do not run out partway through a long shower, and there is no tank sitting full of water that can rust out or leak. Against that, a tankless unit needs a larger gas line or a dedicated electrical circuit in some cases, and the install is more involved than swapping one tank for another. A contractor can look at your gas line, venting and electrical setup and tell you what switching would actually take in your house.
- What changes when you install a tankless water heater?
- The unit itself is smaller and mounts on a wall instead of standing on the floor, which frees up space in the closet or utility room where the old tank sat. Venting changes too, since tankless units run hotter exhaust and need venting rated for that, which usually means new vent pipe rather than reusing what was there. Gas fired tankless units often need a larger gas line to feed the burner, and electric models may need a bigger circuit. Because of these changes, the work needs a permit from the local building office, and someone will come inspect it once it is done.