Water Heater Installation in Grangeville, ID
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Grangeville asks a lot of a water heater
Winter nights here average 18°F from December through February, and homes in the area need heat from September through June. That is ten months of the year when the water coming into the tank starts out cold, which means the heater works harder and longer to bring it up to temperature than it would somewhere warmer.
Power is part of the picture too. Idaho County has logged 66 winter storms and 23 damaging wind events over the past ten years, and statewide, 11% of households went at least a full day without power in 2024. A storage tank with a standing pilot will keep making hot water through an outage like that. One that runs on electronic ignition will not light until the power is back. When you install a new water heater, it is worth knowing which kind you are getting.
- 18°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 11%
- of Idaho 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 $320 a year to run in Idaho compared with an electric water heater.
Estimates for a typical Idaho home, from EIA household energy data and Idaho fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is water around the base of the tank. Once a tank starts leaking, it does not seal itself back up, and the leak is a sign the tank has rusted through from the inside. Water that comes out rust colored or with a metallic smell points the same way, even without a visible leak. If the heater is making popping or rumbling noises, sediment has built up on the bottom of the tank, and that shortens what life the tank has left. A tank that can no longer keep up, running out of hot water partway through a shower when it never used to, is also telling you it is wearing out. Homes here need hot water and heat for most of the year, so a tank on its way out is worth replacing before it fails outright.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on whether one is better than the other in every case. A tankless unit heats water as it flows through rather than storing a tank of it, so you do not run out of hot water partway through back to back showers. It also does not sit there holding a tank of hot water around the clock, which a storage tank does even when nobody is using it. What a tankless unit needs to work well is gas line and venting sized for it, and that is often different from what a storage tank used. A contractor can look at the gas line, the vent path and the space you have and tell you what switching would actually involve in your house.
- What changes when you install a tankless water heater?
- The biggest change is that hot water is made on demand instead of stored ahead of time. That means the gas line feeding it usually needs to be sized larger than what a storage tank used, because a tankless unit draws more gas while it is running. The venting is different too. Tankless units vent through pipe rated for their higher exhaust temperature, not the same flue a tank used. Because of these changes, installing one is not a straight swap in the same spot. A permit and inspection apply to this work, same as replacing a storage tank, and the contractor doing the install will know what the local building office requires.