Oil Furnace Repair in South County, RI

No Heat in Winter? Call (401) 789-2520 for Same-Night Response

Oil Furnace Repair

A failing oil furnace is more than a comfort problem. It can be a safety problem.

Unlike a boiler that fails by leaking water, a failing furnace can fail by leaking carbon monoxide. That single fact changes how seriously we treat every furnace service call. Every visit includes a heat exchanger safety inspection and a combustion analysis before we leave. SmithCo dispatches a Master Pipe Fitter on every job and we work on all major brands of oil furnaces regardless of who installed them.

Call (401) 789-2520
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1-2 hrs
Typical Repair

24/7
Emergency Line

1985
Family-Owned Since

The one furnace failure you should never ignore

A cracked heat exchanger lets combustion gases (including carbon monoxide) mix with the heated air your furnace blows through your home. Signs include soot around the furnace, a flame that flickers when the blower kicks on, a metallic smell when the system runs, headaches when the heat is on, or a CO detector going off. This is not a wait-and-see repair. Shut the furnace off and call us.

If you see these signs
Turn off the furnace at the emergency switch, ventilate the area, and call our 24/7 line.

Call Now →

Common Furnace Repairs

The four furnace fixes we handle most often

Most furnace service calls trace back to one of these four areas. Each one is fixable, and most can be diagnosed and repaired in a single visit when we have the right parts on the truck.

$200 to $500

Blower Motor Replacement

The blower pushes heated air through your ductwork. When it fails, the burner may fire but no warm air reaches your rooms, or you hear loud rattling and grinding from the unit. Variable-speed and single-speed motors are different parts, but most replacements run 1 to 2 hours.

~1-2 hr repair

$150 to $400

Ignition System Issues

Oil furnaces use an electrode and high-voltage transformer to spark the fuel. When the ignition fails, the furnace either short-cycles trying to fire or trips the reset button repeatedly. Common fixes include electrode replacement, transformer swap, or flame sensor cleaning.

~1 hr repair

$100 to $300

Burner Cleaning & Nozzle Replacement

Dirty burners and worn nozzles are the most common reason a furnace becomes inefficient or refuses to fire. This is standard tune-up work that gets bumped to a repair call when annual maintenance has been skipped. Includes combustion analysis after service.

~1 hr repair

$150 to $450

Thermostat & Control Board

When the furnace runs constantly, refuses to turn on, or cycles oddly, the issue is often in the controls rather than the furnace itself. Diagnostic testing identifies whether the problem is the thermostat, the control board, or a wiring fault between them.

~1-2 hr repair

Cost ranges above include parts and labor for typical residential repairs. Diagnostic-only visits run a flat service call fee, applied against the repair cost if you proceed.

Symptom Diagnostic

If you see this, it is probably that

Most furnace problems give you a clear symptom before total failure. Match what you are seeing to the most likely cause and tell our dispatcher when you call. It speeds up the diagnostic and helps us bring the right parts.

Burner fires but no warm air

↓

Likely: Blower motor failure or capacitor

Same-day repair

Furnace short-cycling (on/off every few minutes)

↓

Likely: Dirty flame sensor or oversized equipment

Schedule within week

Reset button keeps tripping

↓

Likely: Out of fuel, clogged nozzle, or ignition failure

Stop resetting. Call now.

Soot or smell of oil in basement

↓

Likely: Combustion issue or possible heat exchanger crack

Safety issue. Call now.

Rooms unevenly heated

↓

Likely: Ductwork leaks, dirty filter, or blower issue

Schedule within week

Heating bill suddenly higher

↓

Likely: Dirty burner, blocked vents, or failing component

Schedule tune-up

Before You Call

Try this first, then call us

A few furnace problems have simple fixes a homeowner can handle. Try the left list before scheduling. Anything on the right is a tech-only job. Doing the simple checks first can save you a service call fee.

Try Yourself

Things you can safely check

✓
Check the thermostat. Is it set to heat? Are the batteries fresh? Sometimes the simplest answer is the right one.
✓
Check the oil tank gauge. An out-of-fuel furnace will not fire. If the gauge is at zero, that is your answer.
✓
Replace the air filter. A clogged filter blocks airflow and can cause overheating, short-cycling, or no heat at all.
✓
Confirm the emergency switch is on. The red switch near the basement stairs gets bumped off more often than you would think.
✓
Press the reset button. Once. Only once. If it trips again, do not keep resetting. Call us.

Call SmithCo

Things only a tech should touch

!
Anything involving the burner assembly. Combustion-related work requires combustion analysis equipment and trained hands.
!
Heat exchanger inspection. Detecting a crack requires specialized tools and visual access most homeowners do not have.
!
Electrical and control board work. The control system runs on line voltage. Wrong wire, wrong outcome.
!
Oil line repairs. Fuel handling is regulated work and requires proper containment to prevent spills.
!
Anything when the reset has tripped twice. Continued reset attempts can cause fuel buildup that creates a real safety hazard.

What To Expect

From your call to a working furnace, hour by hour

Hour 0

You call. We triage on the phone.

Describe the symptom in plain language. Our dispatcher narrows down the likely cause and quotes an arrival window. Emergency calls are dispatched immediately.

Hour 1-4

Technician arrives at your home.

A SmithCo Master Pipe Fitter shows up in the agreed window. Same crew, same trucks, no subcontractors. Service plan customers get same-day priority dispatch.

+15 min

Diagnosis and heat exchanger check.

We confirm the symptom, identify the root cause, and inspect the heat exchanger as part of every furnace visit. Written quote before any work begins.

+1-2 hr

Repair completed.

Most parts are on the truck. Repair done same visit. After the work, we run a combustion analysis to confirm safe operation and proper efficiency.

+10 min

Walkthrough, paperwork, warranty.

Quick walkthrough of what was repaired and what to watch for. All repair work backed by our installation workmanship warranty.

“

Technician came on Christmas Day in a timely manner and quickly plugged the leak in our tank. HUGE help to our family at an inconvenient time. Very professional.

Brendan Cooney
Holiday Emergency Service Customer

Common Questions

Oil furnace repair, answered

What does an average furnace repair cost?

Most common oil furnace repairs land between $200 and $500 including parts and labor. Blower motor and ignition repairs run at the lower end. Control board and complex diagnostic repairs run at the higher end. Heat exchanger work typically pushes into replacement territory because the part is expensive and labor-intensive. We write a quote before any work begins.

How serious is a cracked heat exchanger?

Very. A cracked heat exchanger allows combustion gases (including carbon monoxide) to mix with the air your furnace blows through your home. CO is colorless and odorless. Signs of a cracked exchanger include soot deposits, a flickering flame when the blower runs, a metallic smell when the furnace fires, or a CO detector alarm. Shut the furnace off and call us immediately. This is one of the few repair issues where replacement is almost always the right answer rather than a patch.

My furnace was working fine yesterday. Why did it suddenly stop?

Most sudden no-heat calls trace to one of three causes: out of fuel, tripped reset button, or a failed component (blower motor, ignition, control board). Run through the homeowner checklist above before calling. If those checks do not solve it, schedule a diagnostic. Sudden failures are usually a single-component repair, not a full system issue.

How long does a furnace repair typically take?

Most furnace repairs are completed in 1 to 2 hours from arrival, assuming the part is on the truck. Complex diagnostics or repairs involving multiple components can run 3 to 4 hours. Repairs that require sourcing uncommon parts may need a follow-up visit. We tell you that up front.

Do you repair furnaces if SmithCo did not install them?

Yes. Most of our repair customers were not original SmithCo installations. We service Beckett, Carlin, Riello, and other common oil burner brands across most major furnace manufacturers. Older or imported equipment may require parts sourcing, but we will not turn down a repair call because we did not install the unit.

Should I be running my furnace if it is making strange noises?

Depends on the noise. A new banging or rumbling sound that just started is worth a diagnostic but is rarely an emergency. A loud scraping or grinding sound suggests a failing blower bearing and you should shut the furnace off before more damage occurs. Whistling or hissing can indicate ductwork or pressure issues. When in doubt, call and describe the sound.

When You Need Heat Working

Pick up the phone. We dispatch fast.

Same-day response across South County for non-emergency repairs. Same-night dispatch for true heat-out emergencies whenever possible.

Call SmithCo Repair
(401) 789-2520
Answered 24/7 by real people, not a call center

or schedule online for non-emergency calls →

Master Pipe Fitter License #2703

RI Fuel Oil Dealer License #333

Family-owned since 1985