24/7 Emergency Service Available
Family-Owned & Operated Since 1981
Licensed & Insured · Serving Long Island Since 1981

Furnace Repair on Long Island

Fast, reliable repair for gas and oil furnaces across Suffolk and Nassau County, with 24/7 emergency no-heat service and free estimates.

Free estimates · Licensed techs · 24/7 emergency furnace repair
★★★★★
At a Glance

Domino Fuel repairs gas and oil furnaces across Long Island. Our licensed technicians diagnose the real cause and fix it right, with 24/7 emergency no-heat service, a clear quote before any work, and a free estimate.

Licensed & Insured

Certified Long Island heating techs

24/7 Emergency

No-heat repair day or night

Free Estimates

No-obligation system quotes

Since 1981

Family-owned, local, trusted

Furnace Repair

Fast, Reliable Furnace Repair

When your furnace quits on a cold night, you need it fixed fast. As part of our full heating service on Long Island, our licensed technicians repair gas and oil furnaces of every make and model, with 24/7 emergency no-heat service across Suffolk and Nassau County. We track down the real cause and fix it right the first time.

Need more than a repair? See our complete furnace service for tune-ups and replacement, or browse the furnace brands we carry.

24/7 EmergencyFurnace repair service on Long Island
When To Call

Signs Your Furnace Needs Repair

Most furnace problems give warning signs before a full breakdown.

If you notice any of these, call us before it turns into a no-heat emergency:

  • No heat, or not enough warm air from the registers
  • The blower runs constantly, or will not start
  • Short cycling (turning on and off too often)
  • A yellow or flickering burner flame instead of crisp blue
  • Banging, rattling, squealing, or rumbling on startup
  • Rising heating bills with no change in how you use it
  • A blinking control-board light or an error code
  • A burning or rotten-egg smell when it runs
What We Fix

Common Furnace Problems We Repair

We diagnose and repair every common gas and oil furnace fault.

  • Failed igniter or flame sensor
  • Blower motor or run-capacitor failure
  • A faulty gas valve or pressure switch
  • Limit or flame-rollout switch trips
  • Control board and thermostat faults
  • A clogged filter or dirty burners
  • A cracked heat exchanger (a carbon-monoxide safety risk)
No Heat?

24/7 Emergency Furnace Repair

Lost heat on a cold Long Island night? We answer around the clock.

A no-heat furnace is an emergency, especially in winter. Our technicians are on call 24/7 across Suffolk and Nassau County, and we carry common parts so most no-heat repairs are finished in a single visit. Call (631) 779-3196 any time and we will get someone to you fast.

Repair Cost

Furnace Repair Cost on Long Island

Most repairs are far cheaper than a replacement. Here is a rough guide.

Type of repairTypical cost (U.S. average)
Minor fix (igniter, flame sensor, thermostat)$100 - $300
Typical furnace repair$133 - $505 (avg ~$318)
Major component (blower motor, control board)up to $1,475+

National averages from HomeAdvisor and Angi (2026): furnace repairs run about $64 to $1,475, averaging roughly $318. Electric furnace fixes are lowest; gas furnace and major-part repairs cost more. Fuel, age, and the part drive the price.

Want your exact number? We diagnose the fault and give you a clear quote before any work begins. Get a free estimate with no obligation.

Our Process

How Our Furnace Repair Works

A straightforward, no-surprises repair, every time.

What to Expect

  • A full diagnostic to find the real cause, not just the symptom
  • A clear, up-front quote before any work begins
  • Repair with quality parts we stock or quickly source
  • An airflow, combustion, and safety test to confirm the fix
  • A heat-exchanger and carbon-monoxide safety check
  • Honest repair-or-replace advice if your furnace is near end of life
Repair vs Replace

Repair or Replace Your Furnace?

We will give you an honest recommendation, not a sales pitch.

Most furnaces last 15 to 20 years. If yours is younger and the repair is modest, fixing it is usually the smart move. If it is older, inefficient, or has a cracked heat exchanger that makes it unsafe, a high-efficiency replacement often pays for itself in lower bills and added safety. Either way, we will tell you the truth and let you decide.

Considering a new unit? Explore the furnace brands we carry or our full furnace service, and ask about financing.

Brands We Service

Furnace Brands We Repair

We repair furnaces from all the major manufacturers Long Island homeowners rely on.

FAQ

Frequently Asked Questions

Answers Long Island homeowners ask us most about furnace repair.

1What are the signs my furnace needs repair?

Watch for no or weak heat, a blower that runs constantly or will not start, short cycling, a yellow burner flame instead of crisp blue, banging or rattling noises, or a jump in your heating bills. Any of these is worth a professional diagnosis before it becomes a no-heat emergency.

2Do you offer 24/7 emergency furnace repair on Long Island?

Yes. We provide 24/7 emergency furnace repair across Suffolk and Nassau County, so if you lose heat on a cold night we can get a technician to you fast.

3How much does furnace repair cost?

Most furnace repairs run about $133 to $505, averaging around $318, though major parts like a blower motor cost more. We diagnose the fault and give you an exact quote before any work, and the estimate is free.

4Should I repair or replace my furnace?

If your furnace is under 15 years old and the repair is modest, repair usually makes sense. If it is older, inefficient, or has a cracked heat exchanger, replacement is the safer, smarter choice. We give honest advice either way.

5Do you repair my furnace brand?

Almost certainly. We repair all major brands, including York, Goodman, Trane, Rheem, Thermo Pride, and more.

6Is a cracked heat exchanger dangerous?

Yes. A cracked heat exchanger can leak carbon monoxide into your home, so we check for it on every visit. If we find one, we will recommend replacing the furnace for your safety.

Need Furnace Repair on Long Island?

Get fast, honest furnace repair from your local Long Island heating team, with a free estimate.

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