Water Heater Installation in Farmington, ME
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A new water heater has to work through a long, cold winter
Farmington needs heat ten months a year, September through June, and winter nights average 8°F from December through February. A water heater sized and installed for this county has to hold up through that stretch of cold, not just the mild months.
Power is part of the picture too. More than half of Maine households went at least 24 hours without power in 2024, and the county has logged 97 winter storms and 34 damaging wind events over the past ten years. A gas or propane unit with a standing pilot keeps making hot water through an outage. An electric one comes back on by itself once power is restored.
Whatever fuel type or size you choose, federal rules set a minimum efficiency for storage water heaters, and that minimum is tied to the size of the tank, so a larger tank and a smaller one are held to different numbers.
- 8°F
- the average winter night, and colder incoming water means longer heating
- 10 months
- September through June, the months homes here need heat
- 54%
- of Maine 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
- How do I know it's time to replace my water heater?
- Look at the age on the data plate first. Most tank water heaters last 8 to 10 years, and once you're past that, a repair is often just buying time before the next failure. Rust colored water from the hot tap, a tank that's rusting on the outside, or water pooling underneath are signs the tank itself is failing, and a leaking tank can't be repaired. If it's making rumbling or popping sounds, sediment has built up on the bottom, which makes it work harder and can shorten what's left of its life. Homes here need heat from September through June, so a water heater failing in the middle of that stretch is a harder problem than one that fails in summer. If yours is already past 8 years, it's worth having someone look at it before it picks the moment for you.
- 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 general. A tankless unit heats water on demand, so it doesn't run out the way a tank can when several people shower back to back. It also doesn't sit there heating a full tank of water around the clock, which a storage tank does even when nobody's using hot water. Storms matter here, with 34 damaging wind events recorded over the past ten years, and it's worth knowing that a tankless unit needs power to fire up, same as most tank models with electric ignition. A contractor can walk through your household's hot water use and tell you which type fits it.
- What changes when you install a tankless water heater?
- The unit itself is much smaller and mounts on a wall instead of taking up floor space, since there's no tank to hold. Gas tankless units typically need a larger gas line and a different vent than a tank model used, because they draw more gas at once to heat water instantly rather than gradually. The water lines and shutoffs get reconfigured to run through the new unit. Because the sizing and venting rules are specific to the model and the house, a contractor will need to look at your setup to say exactly what the switch involves.