Water Heater Installation in Hot Springs, SD
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What a Fall River County winter asks of your water heater
Winter nights here average 14°F from December through February, and homes run their heat from September through May, nine months of the year. Cold water coming into the tank takes more energy to bring up to temperature, and that's what a new water heater here has to be sized and set up for.
The federal minimum efficiency for a storage water heater is not one number. It is set by the tank's rated volume and applied across four different draw patterns, so two tanks of the same type but different size are held to different minimums. Matching the size and rating to the house is part of getting the installation right.
- 14°F
- the average winter night, and colder incoming water means longer heating
- 9 months
- September through May, the months homes here need heat
NOAA nClimDiv, 1991–2020 normals
- How do I know it's time to replace my water heater?
- The clearest sign is water around the base of the tank, since that usually means the tank itself is rusting through from the inside and won't stop. Rusty or metallic-smelling hot water points to the same problem. If the unit is taking noticeably longer to heat water, or you hear rumbling or popping from the tank, sediment has built up on the bottom and the heater is working harder than it used to. Age matters too. Most storage tanks are built to last a limited number of years, and once a tank passes that point, a repair is often just delaying a replacement you'll need soon anyway. With winter nights here dropping to around 14°F, a tank that's already struggling gives out fastest in the months you need hot water most.
- Should I switch to a tankless water heater?
- It depends on what you want from your hot water and what your home can support. A tankless unit heats water only as you use it, so you don't run out during back to back showers or a full house of guests, and it doesn't sit there keeping a tank of water hot all day. Switching from a storage tank usually means changes to the gas line, venting, or electrical circuit, since tankless units draw more power in short bursts than a tank does. A contractor can look at your current setup and tell you what it would take to convert.
- What changes when you install a tankless water heater?
- The biggest change is that hot water is made on demand instead of stored. There's no tank sitting full of hot water waiting to be used, so the unit only fires up when you turn on a faucet or start a shower. This usually means new venting sized for the unit, since tankless heaters vent differently than a tank does. Gas fired models often need a larger gas line to supply the burner during use, and the unit needs a spot near an exterior wall or a route for the vent to reach outside. A contractor can walk through your home and tell you exactly what needs to change for your setup.