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Water Heater Repair in Durham, NH

40% of households in Durham heat with fuel oil. That is the strongest free clue to what kind of water heater is in your basement, and it decides which faults are even possible.

Answer first

The fuel a town runs on decides which faults are possible, and Durham runs mostly on fuel oil, at 40% of households. That figure is house heating rather than water heating, but the two rarely disagree under one roof. Oil brings a burner and an annual service into it, which changes who you call.

Source: US Census Bureau, American Community Survey 5-year estimates, table B25040.

HeaterRelay is a referral service, not a contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We carry out no work, we sell no equipment, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.

What Durham runs on

With oil ahead in the mix, indirect hot water is common enough locally that it should be ruled in or out before anyone quotes you a new tank.

Fuel	Share of households
Gas — mains and bottled	33%
Electricity	18%
Fuel oil and kerosene	40%
Everything else	8%

Source: US Census Bureau, American Community Survey 5-year estimates, table B25040 (house heating fuel), 2023 release. Universe: 2,901 occupied housing units in the ZIP code areas covering Durham.

Against New Hampshire as a whole, that is 6 points lower — worth knowing before assuming the state pattern applies here.

One caveat, because it matters: the Census measures the fuel a household heats the HOUSE with, not the fuel it heats WATER with. The two track each other closely — a gas line to the furnace usually feeds the tank as well — but they are not the same number.

Which one do you have

If you are not sure, look at the top of the tank: a flue pipe going up into the ceiling means gas, and no flue at all means electric. Find out what your own tank burns before anyone quotes you anything.

Then the symptom. Nothing at all and not enough are different faults, and treating them as one is how the wrong part gets replaced.

ZIP codes we route in Durham

03824

Nearby towns, and what they burn

The nearby towns we route all lead on fuel oil as well, so the regional pattern is consistent. It still does not tell you what is in your own house.

Bennington 47% fuel oil
Hillsborough 47% fuel oil
Hampstead 58% fuel oil
Harrisville 50% fuel oil
New Ipswich 51% fuel oil

Know the fuel and the symptom? That is most of the call.Gas and electric heaters fail in almost entirely different ways, so saying which you have gets you to the right person faster. We route the call and never charge you for it. Not heaters alone — Durham keeps us busy with every kind of plumbing.

Call (866) 871-2892