Why Is the Furnace Pilot Light Going Out?

by AquaTemp

Inside look of a furnace with pilot light lit.

If you ever hear your gas furnace turn on but cannot feel any warm air blowing from the vents inside your Saskatchewan 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 Warman 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, AquaTemp 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.

What is the Furnace Pilot Light, and How Does It Work?

The pilot light is a small flame in your furnace that lights the gas coming from the 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 looks more yellowish rather than bright blue, this is considered a dirty flame. 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 AquaTemp a call, and we can send out a certified technician.
  • The thermocouple is damaged or Worn Out: The thermocouple is a safety device that detects whether or not the pilot light works. Like most mechanical components thermocouples can wear out over time. There are some simple checks that a service tech can do to determine if the thermocouple is needing replacing. 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 AquaTemp to have our professionals inspect and clean your furnace today.

Maintaining Your Furnace

The annual heating and cooling costs in your Warman 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.

Preventative 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 likely needing a repair. But it could also be an indication your furnace no longer operates sufficiently to warm your Warman, Saskatchewan, home.

Our professionals at AquaTemp are ready to lend a hand! Call 306-912-9892 or request service online today to learn more about pilot lights and other parts of your HVAC system.

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