Emergency furnace repair Quincy MA is needed when it is 11pm. The house is getting cold. The furnace is not turning on or it is making a noise you have not heard before, or it fired once and shut off immediately. You are in Quincy, it is January, and you need heat.

This guide tells you exactly what to do in the next 30 minutes: what to check yourself, what is safe to attempt, what is not, and when to call a technician. Massachusetts law requires landlords to maintain indoor temperatures of at least 68 degrees F between 7am and 11pm, and 64 degrees at all other hours so if you are a landlord, this is not just a comfort issue.

First 5 Minutes Safety Before Anything Else

If you smell gas: do not touch any light switches or electrical controls. Leave the building immediately. Call 911 from outside. Do not re-enter until the gas company clears the building.

If your carbon monoxide detector is alarming: leave the building immediately with everyone inside. Call 911. Carbon monoxide is odorless if the detector is going off, treat it as real. CO poisoning causes approximately 400 deaths annually in the United States. Do not reset the detector and stay inside.

If there is no gas smell and no CO alarm: you have a mechanical or electrical furnace fault. Proceed through the checks below.

What to Check Before Calling a Technician

Run through this list in order. These checks resolve roughly 15 to 20 percent of emergency calls without a service visit.

Check the Thermostat

Confirm the thermostat is set to Heat not Cool or Fan. The temperature setpoint should be above the current room temperature by at least 4 degrees. If the thermostat display is blank, replace the batteries thermostat battery failure is a common no-heat call that resolves in 30 seconds.

Check the Power Switch

Most furnaces have a power switch on or near the unit that looks like a standard light switch. It is easy to accidentally switch off. Confirm it is in the on position. For gas furnaces, also confirm the main gas valve feeding the furnace is fully open the handle should be parallel to the gas pipe.

Check the Circuit Breaker

Locate the breaker labeled Furnace or Air Handler in your electrical panel. If it is tripped (midway between on and off), push it fully to off and then back to on. If it trips again immediately, stop a repeated trip indicates a fault condition. Call a technician.

Check and Replace the Air Filter

A severely clogged air filter triggers a high-limit safety switch that shuts the furnace down to prevent overheating. Pull the filter. If it is solid grey and packed, replace it. Turn the furnace off at the thermostat, replace the filter, then turn the thermostat back to Heat and wait 3 to 5 minutes for the limit switch to reset before the system tries to fire again.

For Oil Furnaces Press the Reset Button Once

If you have an oil furnace and it has locked out, there is a red reset button on the burner assembly (usually visible on the front of the oil burner unit). Press it once. The burner will attempt to fire. If it fires and runs, the lockout was a one-time ignition failure.

If it locks out again after one reset: stop. Do not press reset again. Multiple resets flood the combustion chamber with unburned oil, creating a fire hazard. Call a technician.

Common Emergency Furnace Failures and What They Mean

Furnace Not Starting at All

The system is completely silent when the thermostat calls for heat. The most common causes are a failed hot surface igniter, a bad control board, a tripped high-limit switch, or a power supply issue. A hot surface igniter replacement costs $150 to $250 and is one of the most common heating season repairs.

Furnace Starts Then Immediately Shuts Off

The furnace fires, runs for 30 to 90 seconds, then shuts down and tries again. This is typically a flame sensor that is coated with oxidation and cannot confirm to the control board that the burner is lit. The board sees no flame confirmation and shuts the gas valve as a safety response.

Flame sensor cleaning costs $85 to $150. Replacement runs $85 to $175. This is a same-visit repair in most cases.

Furnace Running but Producing No Heat

The blower runs, the system cycles, but no warm air comes from the vents. This usually indicates a failed igniter that is not establishing a flame so the blower runs on its fan timer but no combustion is happening. Or a gas valve that has failed closed. Both require a technician.

Furnace Making Unusual Sounds

A banging noise on startup means delayed ignition gas is accumulating before firing, then igniting in a small explosion. This is a service issue, not an emergency evacuation situation, but it should not be ignored. Call for same-day service.

Squealing from the blower means a failing motor bearing. The motor has weeks to months left. Not an emergency tonight but schedule service within the week.

A grinding noise from the blower wheel means the wheel is contacting the housing turn the system off and call for service before running it further.

Oil Furnace Repeatedly Locking Out

If you pressed reset once and it locked out again, and you have appropriately not pressed it a second time the most common causes are a fouled burner nozzle preventing proper ignition, a clogged oil filter restricting fuel flow, or a failed cad cell (flame sensor) that cannot confirm combustion is occurring.

For Quincy oil-heat customers in Adams Shore, Squantum, and Houghs Neck: this scenario almost always means an overdue oil burner service. A technician arriving for a lockout will typically find a nozzle in need of replacement and a cad cell coated in soot both annual service items that prevent this call.

What to Do Right Now While Waiting for a Technician

While waiting for emergency service, these steps keep your household safe and limit heat loss:

Close interior doors to concentrate remaining heat in the rooms where people are sleeping. The fewer rooms heating air has to warm, the slower the temperature drops.

Use space heaters safely if available. Keep them away from bedding, curtains, and anything flammable. Never use a gas stove for heat this is a carbon monoxide risk.

Layer clothing and use extra blankets for children and elderly household members. These groups are most vulnerable to cold exposure.

If the indoor temperature drops below 55 degrees F in a home with vulnerable occupants elderly, infants, or anyone with medical conditions move to a warmer location such as a neighbor’s home, a hotel, or a 24-hour public space while waiting for the repair.

For landlords: Massachusetts sanitary code requires a minimum of 68 degrees F from 7am to 11pm and 64 degrees at all other hours from September 15 through June 15. Document your repair call with timestamps. Inform tenants of the timeline for restoration. Provide alternative heat sources if available when repair will take more than a few hours.

Emergency Furnace Repair Cost in Quincy MA

The after-hours rate applies to the service call fee. Parts costs are identical to standard-hours rates emergency markup does not apply to parts.

Frequently Asked Questions