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Malfunctioning Burners in Your Furnace
Posted On: December 6, 2024
Your furnace's burners are critical components that ensure proper heating in your home. When they malfunction, your comfort and safety can be at risk. Let’s explore what causes burner issues, how to identify them, and what you can do to address the problem.
Common Causes of Malfunctioning Burners
- Dirt and Debris Buildup: Over time, dust and grime can clog burners, preventing them from igniting or burning cleanly.
- Faulty Ignition System: A broken ignitor or pilot light failure can prevent burners from lighting.
- Gas Flow Issues: Problems with the gas valve or a disrupted supply can lead to uneven or non-functioning burners.
- Corroded or Damaged Components: Rust or wear on burners or their surrounding parts can impair performance.
Signs Your Furnace Burners Are Malfunctioning
- Delayed Ignition: A loud bang or delay when your furnace starts could indicate gas buildup caused by burner issues.
- Yellow or Flickering Flame: A healthy burner flame should be steady and blue. Yellow flames suggest incomplete combustion or ventilation problems.
- Unusual Odors: Burning smells can indicate dust or debris on the burners. A gas smell may point to a leak and requires immediate attention.
- Insufficient Heat: If your furnace struggles to reach the set temperature, the burners might not be functioning correctly.
How to Address Burner Problems
- Schedule Regular Maintenance: Annual tune-ups can prevent debris buildup and ensure burners operate efficiently.
- Clean Burners: Turn off the furnace, remove the burners, and gently clean them with a brush. Consult your owner’s manual or a technician if unsure.
- Inspect the Ignition System: Check for a working ignitor or pilot light. Replace faulty components as needed.
- Call a Professional: For gas supply issues or extensive repairs, it’s best to contact a licensed HVAC technician.
Why Timely Repairs Are Important
Ignoring malfunctioning burners can lead to:
- Higher energy bills due to inefficient heating.
- Increased risk of carbon monoxide leaks.
- Potential damage to other furnace components.
When to Replace Your Furnace
If your furnace is older (15+ years) and burner issues are recurring, replacing the unit may be a more cost-effective solution.
For reliable furnace repair and maintenance, contact a trusted HVAC professional. Taking proactive steps ensures your home stays warm and safe during the colder months.
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See What Our Customers Are Saying:
Aug 8, 2025
We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.
Aug 8, 2025
Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!
Feb 18, 2025
Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.
Feb 18, 2025
We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!
Feb 18, 2025
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
Aug 17, 2024
I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. Ive used the company in the past for my furnace so I was happy when I recognized Greg at my front door. Hes great and the service is always top notch. Id highly recommend using twintech for honest, superior service in the Durham region. Thanks!
Aug 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Aug 12, 2024
Just hired TwinTech Heating & Cooling to do an A/C Unit removal & reinstall to allow for landscaping access on the side of my house, and they were wonderful!
Bob, Greg & Mitch make a great team! Quick appointment times, super knowledgeable, expert troubleshooting capabilities & very customer service oriented.
I would highly recommend them for all of your HVAC needs! Great job guys!!
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