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Why Is the Furnace Pilot Light Going Out?

Posted On November 15, 2024 Furnace

If you ever hear your gas furnace turn on but cannot feel any warm air blowing from the vents inside your New Jersey home, chances are the pilot light went out.

This issue happens more often than not with older furnaces, and it could be a sign you are ready to upgrade your Sayreville home’s heating and cooling system with a new model. At the 10-year mark, furnaces start to lose efficiency and begin breaking down more frequently.

Your utility bills, along with repairs, start creeping up. At some point, it makes more sense financially to replace these old appliances with newer models. When the time comes, Delco Heating & Cooling can help you make the right decision. We install, replace, repair, and maintain all major brands of heating equipment.

Here are some basic guidelines involving your pilot light.

How Does My Furnace Pilot Light Work?

The purpose of the pilot light is to ignite the gas coming from your furnace’s main burner. If the pilot light flame ever goes out, your furnace has a safety valve that cuts off the gas going to the pilot light, so gas is not continuously escaping into your home.

So why does the pilot light go out? There are several common causes:

  • There’s a problem with the flame: If your pilot light flame is more yellowish rather than bright blue, it’s an indication that something is affecting your pilot light to burn inconsistently. As a result of this happening, your furnace will shut off the gas to your pilot light.
  • A breeze blew out the flame. This is probably the most common reason for your pilot light to go out. If this is the case, follow the furnace manufacturer’s guidelines when relighting the pilot light. If the pilot light remains unlit after numerous attempts, give Delco Heating & Cooling a call, and we can send out a certified technician.
  • The thermocouple is damaged: The thermocouple is a safety device that detects whether or not the pilot light works. If it is bent or broken, the pilot light will not stay on long enough to ignite the gas needed to provide warm air throughout your Sayreville home. You can try bending the thermocouple back into position or cleaning it off with fine-grain sandpaper. If that fails, you may need to replace it.
  • Your furnace needs cleaning: A buildup of dirt and debris could prevent the pilot light from getting enough oxygen to burn consistently. Schedule a tune-up with Delco Heating & Cooling to have our professionals inspect and clean your furnace today.

Maintaining Your Furnace

The annual heating and cooling costs in your Sayreville home typically account for approximately 43 percent of your total energy expenses, according to ENERGY STAR®. It pays to keep this equipment in peak running condition.

If you want to get the most value out of your furnace—along with the rest of your heating, ventilation, and air conditioning (HVAC) equipment—develop a preventative maintenance plan that includes annual tune-ups. Scheduling annual tune-ups for your furnace, air conditioner, and heat pump allows our professionals to inspect and clean individual parts.

Preventive maintenance is a small investment that pays off through increased comfort and lower energy expenses. A maintenance plan also extends the service life of your HVAC equipment and helps minimize the chances of a costly and inconvenient repair.

Call Your Heating and Cooling Experts Today!

If the pilot light goes out on your furnace, it is something that likely needs a repair. But it could also be an indication that your furnace no longer operates sufficiently to warm your Sayreville, New Jersey, home.

Our professionals at Delco Heating & Cooling are ready to lend a hand! Call (732) 360-6201 or request service online today to learn more about pilot lights and other parts of your HVAC system.

Brian Guthmiller
Founder
Brian Guthmiller is the founder of Delco Heating & Cooling. With 30+ years in commercial and residential HVAC, 16 years of business ownership, and a background in facilities management, wealth management, and real estate, Brian built Delco on a simple promise: show up, be dependable, and treat every family like his own. "Comfort has a hero," and at Delco, that's not a tagline, it's a commitment.
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“I called Delco for a furnace repair and was very impressed with their prompt and reliable service.”

The technician was knowledgeable, efficient, and friendly, and took the time to clearly explain the issue and pricing. The repair was completed quickly, and my home is comfortable again. I also truly appreciate that Delco Heating & Cooling cares for and supports veterans. I will definitely call them again for any future HVAC needs.

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“Delco Heating & Cooling are the best hvac and plumbers in New Jersey”

My hot water tank cracked last night and flooded my basement I called Delco Heating & Cooling because they fixed my air conditioning over the summer. The technician got here at 5pm and explained to me how although the crack is an area of in-repair he can schedule replacement Monday or check to see if they had my style hot water heater in their inventory and offered to replace it on the spot the same day and I was shocked that they would offer that level of service and I accepted and he had the replacement done by 10pm and was cleaned up and had the old hot water tank out of my home by 10:30 and me and my wife would recommend them to anyone literally

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