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Water Heater Repair in Andover, NH

36% of households in Andover 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

Andover runs on fuel oil: 36% of households heat that way, and that single fact rules most of the possible water heater faults in or out. The figure covers house heating rather than the tank. With oil heat the burner is a serviced appliance, not a part you swap.

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 Andover runs on

With oil ahead, it is worth establishing whether your hot water comes from a tank or from the heating system.

Fuel	Share of households
Gas — mains and bottled	28%
Electricity	8%
Fuel oil and kerosene	36%
Everything else	28%

Figures from the US Census Bureau's American Community Survey, 5-year estimates, table B25040, 2023 release, covering 873 occupied housing units across Andover.

That is 24 points lower than New Hampshire as a whole, which is a real difference rather than a rounding one.

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.

Propane rather than mains gas

Bottled and tank gas lead mains gas here. Before assuming a fault, check the tank — running out is the commonest no-hot-water cause on propane and costs nothing to rule out.

Bottled and tank gas accounts for 27% of households here against 2% on mains gas.

Which one do you have

Check for a flue. Gas heaters vent; electric heaters have nothing to vent and carry element access panels on the side instead. Knowing which of the two you own is the difference between a diagnosis and a guess.

After that it is the symptom that narrows things: nothing at all points one way, running out early another, and a puddle is the one to act on today.

ZIP codes we route in Andover

03216

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.

Swanzey 67% fuel oil
Tilton 41% fuel oil
Kingston 50% fuel oil
Bradford 37% fuel oil
Temple 54% 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 — Andover keeps us busy with every kind of plumbing.

Call (866) 871-2892