Water Heater Installation in Phillipsburg, NJ
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What a Phillipsburg winter asks of a water heater
Homes here need heat from October through May, eight months a year, and winter nights average 21°F from December through February. A water heater is working through most of the year, not just a few cold weeks.
Warren County has seen 20 winter storms and 167 damaging wind events over the past ten years, and statewide, 11% of households lost power for at least a day in 2024. A storage tank holds hot water through a short outage without needing power to do it. Whatever size and type goes in, it has to meet the federal minimum efficiency for that tank's rated volume, and that minimum is different for every size tank.
- 21°F
- the average winter night, and colder incoming water means longer heating
- 8 months
- October through May, the months homes here need heat
- 11%
- of New Jersey 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 $580 a year to run in New Jersey compared with an electric water heater.
Estimates for a typical New Jersey home, from EIA household energy data and New Jersey fuel prices. Your home will differ.
- How do I know it's time to replace my water heater?
- The clearest sign is age. Tank water heaters wear out over time, and once yours is old, the risk of a leak or tank failure goes up. Other signs are water that never gets as hot as it used to, rusty or metallic-tasting water, and rumbling or popping sounds coming from the tank, which usually means sediment has built up on the bottom. If you see any moisture around the base of the tank, that's not something to wait on. A leaking tank will only get worse and can damage whatever is around it.
- 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 on demand instead of storing it, so you don't run out during a long shower or back-to-back loads of laundry, and it takes up much less space than a tank. Switching usually means changes to the gas line, venting, or electrical circuit, since tankless units draw more power at once than a standard tank. A contractor can look at your setup and tell you what that switch would involve in your home.
- What changes when you install a tankless water heater?
- The biggest change is that hot water is made as you use it instead of held in a tank waiting for you. That means no standby heat loss from a tank sitting full of hot water all day, but it also means the unit needs enough gas flow or electrical capacity to heat water fast when you turn on the tap. Venting is different too, since tankless units often need a dedicated vent sized for the unit rather than sharing an existing flue. Because of these differences, installing one usually involves more than swapping out the old tank for the new unit in the same spot.


