Water Heater Installation in Calais, ME
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Calais asks a lot of a water heater
Homes in Washington County need heat from September through May, nine months of the year, and hot water has to keep up through all of it. Winter nights average 14°F from December through February, so a tank sitting in a cold basement or garage has more ground to make up before the water reaches the tap.
Power is the other piece. More than half of Maine households went at least 24 hours without power in 2024, and the county has recorded 128 winter storms and 67 damaging wind events over the past ten years. A gas water heater with a standing pilot keeps making hot water through an outage. One that depends on power to ignite or run its controls will not, and will need to be reset once the power is back. It is worth knowing which kind is going into the home before the next storm decides for you.
New tanks also have to meet a federal efficiency minimum, and for storage water heaters that minimum is not one number. It is set by a formula tied to the tank's rated volume, applied separately across four draw patterns, so two tanks of the same type but different size are held to different minimums.
- 14°F
- the average winter night, and colder incoming water means longer heating
- 9 months
- September through May, 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?
- Age is the first thing to check, and if you don't remember installing it, that's already a sign to have it looked at. Watch for water around the base of the tank, since that usually means the tank itself is failing from the inside and no part swap fixes it. Rusty hot water, a burner that won't stay lit, or hot water that runs out faster than it used to are all signs the tank is on its way out. With winters here dropping to 14°F on average, a failure means cold water at the worst possible time, so if your unit is showing more than one of these signs, it's worth having a contractor look at it before it fails on its own schedule instead of yours.
- Should I switch to a tankless water heater?
- It depends on what you want out of it, not on whether your current tank is old. A tankless unit heats water as it flows through, so you get hot water on demand instead of a limited tank running out mid-shower. It also takes up far less space than a tank, which matters in a smaller mechanical room or closet. What it will not do is make hot water appear instantly at the tap, since the water still has to travel through your pipes. A contractor can walk through your home's gas line, venting, and water use to tell you whether tankless makes sense for your house specifically.
- What changes when you install a tankless water heater?
- The unit itself changes size and location, usually moving from a floor-standing tank to a wall-mounted box, which frees up floor space. Because tankless units draw more gas or electricity at the moment they fire up, the gas line or electrical circuit feeding it sometimes needs to be upsized to match. Venting changes too, since tankless units typically vent through a smaller pipe designed for their specific exhaust rather than a standard flue. None of this means the swap can't be done, it just means a contractor needs to check your home's gas supply, electrical panel, and venting path before installation, not just swap the unit itself.