Table of Content
- What The Ignitor Does
- Paying For The Repair
- Doing The Work Safely
- Average Repair Costs
- FAQ
- How much does a furnace ignitor replacement cost?
- How long does a brand new ignitor usually last?
- Can I touch the new metal part with my bare hands?
- Why does my furnace click but no fire starts?
- Will a dirty air filter break my starting piece?
- Conclusion
Your house is freezing cold when you wake up. You go down to the basement to look at your heating machine. The fan spins but there is no warm fire inside the metal box. A broken starting piece is usually the main problem. Understanding the furnace ignitor replacement cost helps you prepare for this common winter repair. This small metal part does a massive job for your family.
What The Ignitor Does
Starting The Big Fire
Old heating machines used a tiny blue fire that burned all day. Modern machines use a small electronic piece instead. This piece is the ignitor. It gets incredibly hot when the wall thermostat asks for warm air. It glows bright orange just like a hot toaster wire. The main gas valve opens and sprays fuel onto this glowing orange piece. The big fire starts instantly.
Why It Breaks Down
This tiny piece gets extremely hot and then totally cold every single day. The hard metal expands and shrinks during this process. The metal gets very weak and fragile over the years. A tiny white crack forms right in the middle of the dark grey piece. Electricity cannot cross this broken gap. The piece stops glowing and your machine blows cold air. Read our Furnace Starts Then Stops guide to see how this affects your system.
Paying For The Repair
The Part Price
The actual metal piece is very cheap to buy. A standard flat piece costs about $30 at a local hardware store. Some brand new machines use a special round shape that lasts much longer. These special round pieces cost closer to $60. You must buy the exact right shape for your specific machine model.
The Labor Fees
You must pay a professional worker for their time and safe knowledge. A trained worker knows exactly how to handle the fragile new piece without breaking it. They test the gas wires safely to prevent a terrible explosion. A professional worker usually charges between $100 and $150 for this simple service call. Review the Energy.gov Heating Systems page to learn about safe home heating.
Doing The Work Safely
Why You Should Not Touch It
You might want to fix this cheap part by yourself to save money. This is very risky. You must never touch the dark grey metal part with your bare fingers. Your skin has natural invisible oils. These oils stick to the piece and burn incredibly hot when the machine turns on. The brand new piece will shatter instantly.
Testing The Wires
A professional uses a special digital meter before they remove the old piece. They check the electrical power coming from the main computer board. Sometimes the computer board is completely dead and the ignitor is perfectly fine. Read our Trane Furnace Error Code E1 guide to learn about broken computer brains. A professional finds the real problem fast.
Urgent Help
Is your house totally freezing right now? Does your heating machine blow cold air from the ceiling vents? Our expert heating team can test your broken machine safely. We carry brand new starting pieces in our work trucks. We will fix your dangerous gas parts and make your house warm again.
Need Urgent Help?
Average Repair Costs
| System Component | Main Purpose | Expected Lifespan | Estimated Part Cost | Estimated Labor Cost |
| Silicon Carbide Ignitor | Starts the main gas fire | 4 to 7 years | $30 to $50 | $100 to $150 |
| Silicon Nitride Ignitor | Starts fire very safely | 10 to 15 years | $50 to $80 | $100 to $150 |
| Gas Control Valve | Feeds fuel to the machine | 10 to 15 years | $150 to $300 | $200 to $400 |
| Flame Sensor Rod | Watches the fire burn | 5 to 8 years | $15 to $30 | $100 to $150 |
| Main Control Board | Acts as the main brain | 10 to 15 years | $200 to $400 | $300 to $500 |
FAQ
How much does a furnace ignitor replacement cost?
A homeowner should expect to pay between $130 and $200 total for a professional to bring a brand new part and safely install it inside the heavy machine.
How long does a brand new ignitor usually last?
A standard flat piece will last about five years before the hard metal gets too weak and cracks from the intense daily heat.
Can I touch the new metal part with my bare hands?
You must never touch the dark grey metal part because the invisible oils on your skin will make the new piece overheat and shatter immediately.
Why does my furnace click but no fire starts?
Your machine makes a clicking noise as it opens the main gas valve but the fire cannot start because the glowing piece is completely cracked and dead.
Will a dirty air filter break my starting piece?
A dirty paper filter makes the entire metal box overheat very fast which can slowly cook the fragile electrical wires attached to your starting piece.
Conclusion
A cold house means your basement machine is struggling. You must look inside to see if the metal piece glows bright orange. A tiny white crack means the piece is completely dead. Never touch a new piece with your bare hands. A professional worker will replace it safely for about $150. Check the EPA Indoor Air Quality page to see why a clean filter helps your machine last longer. Use our Contact Us page to get safe heating help fast.
