Emergency Heating Repair in Portland, Maine

• Open cabinet doors under sinks on exterior walls so warmer room air can reach the pipes inside.
• Let a trickle run from the faucet farthest from where water enters the house — moving water resists freezing better than still water.
• Keep interior doors open so heat (even residual heat) can circulate to every room, not just the ones with a thermostat.
• If you have a working fireplace or a portable space heater, use it in the room with the most vulnerable plumbing — but only on its own circuit, never on an extension cord shared with other loads.

On a furnace, it's most often an ignition failure or a safety switch that's shut the system down — both fixable, usually in one visit. On a boiler, a failed circulator or a safety control doing its job protecting the system are the most common culprits. On a heat pump, a severe ice buildup or an electrical fault are the most frequent causes of a complete stoppage in winter conditions.

None of these are user-serviceable in a way that's worth attempting yourself in the cold — the fastest safe path back to heat is a technician who can diagnose the actual cause rather than guessing.

This is the one heating emergency where the first call isn't to us — leave the house, and call the gas utility or 911 first. Once you're safely clear and the utility has responded, we'll handle the heating system repair itself.

Oil-Fired Boilers — Weil-McLain WGO Series 4

The WGO Series 4 is Weil-McLain's current cast-iron oil boiler, still common in Southern Maine homes on oil heat. It doesn't run a numbered fault code — the oil burner mounted to it does that job, and for most homes around here that burner is a Beckett.

Oil Burner Primary Controls — Beckett GeniSys

The Beckett GeniSys primary control mounted on most oil burners uses three colored lights instead of a code — which is exactly what you can check while you wait for us, without opening anything.

Gas-Fired Condensing Boilers — Burnham Alpine

Burnham's Alpine (Sage2.X control) separates faults into soft lockouts that clear on their own and hard lockouts that need a manual reset once the cause is fixed.

Combi (Tankless) Boilers — Navien NCB-E

Navien's NCB-E combi boiler heats the house and the domestic hot water from one unit, and shows a three-character code on the front panel when something trips.

Cold-Climate Heat Pumps — Daikin Aurora

If a heat pump is your primary or backup heat and it stops mid-winter, Daikin's Aurora wall units (FTX-WMVJU9 series) show a self-diagnosis code on the indoor display.