Oil burner locking out, soot around the boiler, or no heat in Manchester? Call to describe the symptoms.
General inquiries: 7 AM–7 PM · Emergency calls: 24/7 · (888) 766-1474
What oil heat means in New Hampshire.
Manchester's oil heat lives disproportionately in above-ground outdoor tanks — a New England classic. That placement creates the city's signature oil failure: in single-digit and subzero cold, fuel gels and waxes, the filter clogs with wax, and the burner starves. A no-heat call the morning after the season's coldest night, on an outdoor tank, is a fuel problem until proven otherwise.
Tanks also age. Water condenses inside steel tanks, sinks to the bottom, and breeds sludge that clogs filters and nozzles; old tanks develop weeps at the legs and seams. Check the gauge before anything else.
The streets the gas mains skipped.
Oil concentrates in the older close-in neighborhoods — triple-deckers around Kalivas-Union and Center City, pre-war colonials on the West Side — and in pockets toward Goffstown, Auburn, and the Bedford line where gas mains never reached. These are often the oldest boilers in the city: cast-iron workhorses from the 80s and 90s, some older, with burners that have been rebuilt more than once.
That age profile shapes the triage. On a 30-year oil unit, the questions are burner-history questions: when was the last nozzle and filter change, the last full tune-up, the electrodes' condition. An oil burner that has not been serviced in three-plus years and locks out in January is telling you the maintenance story, not a mystery fault.
Oil fingerprints.
Manchester's oil symptoms are read against the thermometer:
Two minutes that change the triage.
Two minutes, with Manchester's cold in mind:
If the burner is sooting or you smell oil strongly, ventilate and call — incomplete combustion is a carbon monoxide risk. For the national picture, see our oil boiler repair guide.
Manchester's deep-cold oil problem, explained.
Heating oil contains paraffin wax that stays dissolved in mild weather and crystallizes in deep cold. In an outdoor above-ground tank at single digits, wax crystals clog the filter and the fuel line, and the burner starves even with a full tank. The fix is warmth and flow — and prevention: keeping the tank reasonably full (a fuller tank holds temperature better), and making sure the filter and fuel line are not exposed to wind.
There is a second cold-weather trap: water in the tank. Condensation puts water at the tank bottom, where it can freeze in the fuel line or get picked up as slugs that kill the flame. Annual service that includes checking for tank water is cheap insurance in this climate. If your oil heat has been unreliable every January, the tank and fuel system — not just the burner — deserve the attention.
Straight answers before you call.
Burner first: nozzle, electrodes, filter. Then tank placement and fuel condition, because outdoor above-ground tanks are a Manchester pattern. Lockout frequency, reset behavior, last service date: those answers usually name the fault.
Keeping it full, which resists gelling, and watching for water. Single-digit cold waxes fuel in exposed tanks, and the burner starves. A full tank gels slower than a low one. Tell the triage the tank is outdoor and above-ground on every winter call; it changes the first questions.
The delivery infrastructure is built for it, but the truck still needs a clear path to your fill pipe. Keep the driveway and fill area shoveled; that is the homeowner's part of the bargain. Automatic-delivery customers get priority routing in storms. Mention your delivery setup on the call.
It needs burner service soon. Soot plus odor means combustion is off: worn nozzle, misaligned electrodes, or a draft problem. Note whether the smell is oily or exhaust-like; the character tells the tech something. Ventilate the area and do not run the unit hard until it is checked.
Planning beats reacting. Legs, seams, and fittings tell the story, and a pro can assess them during a service visit. An indoor basement tank that weeps in January is a mess you can avoid. Mention the tank's age when you call so the assessment is on the agenda.
Related services in the Manchester area.
Call (888) 766-1474 — describe the burner symptoms for oil-specific triage.
