How to Fix a Furnace That Wont Stay Lit

A faulty furnace is exhausting to handle. There are multiple reasons this might happen, but one of the most frequent is something wrong with the burners or associated components.

Newer models don’t rely on pilot lights to keep the furnace lit. Instead, they use electronic ignition. If this ignition is damaged, the burners will not perform like they should.

When your gas furnace is running properly, here’s how it should operate:

  • The thermostat tells your furnace to turn on.
  • Your furnace’s draft inducer fan starts to draw fresh air into your furnace.
  • The gas valve opens to send gas into the pilot burner.
  • An electronic spark lights the pilot light.
  • The flame sensor tells your furnace that the pilot has been lit.
  • The gas valve directs gas to the main burners, which are lit by the pilot light.
  • Your furnace then provides warm air across your residence via ductwork.

If something malfunctions during this process, your furnace will deactivate for safety purposes. Or it might stop a few minutes into heating because it’s too warm.

Some of these malfunctions can be fixed on their own, but others require professional assistance. When you want the fastest furnace repair in Clearwater, contact our heating Experts at 727-219-2471. We work with all brands and our services are backed by a 100% Satisfaction Guarantee for a year.*

Here are several of the top reasons why your furnace isn’t staying lit and what to do about it.

1. Faulty Flame Sensor

Your furnace’s flame sensor is a safety feature that informs your furnace when gas is ignited. If the sensor is dirty or faulty, it may work intermittently or not at all. Even if the sensor is running normally, poor positioning leaves it unable to sense the flame to begin with. While you can start troubleshooting and cleaning this sensor right away, contacting a pro like Midway Services will guarantee the problem is taken care of promptly and correctly.

2. Furnace is Too Hot

Your furnace uses built-in safety procedures that shut it off if it gets dangerously hot. One of the most frequent causes is a dirty filter. We encourage evaluating your air filter each month. If you can’t see light through it, replace it.

3. Thermostat is Malfunctioning

Your thermostat tells your furnace when it should heat your residence. When it’s not functioning like it should, your furnace will have trouble keeping your house warm. This can be a battery or electrical problem, depending on what kind of thermostat you have. We suggest reviewing your owner’s manual or manufacturer’s website for required troubleshooting info. If you still can’t get yours working, contact our Experts at 727-219-2471. We’ll discover the issue quickly and can replace your thermostat, if necessary.

Some of these issues, including a dirty flame sensor or an overheated furnace, are caused by a lack of proper furnace maintenance. It’s crucial to have this service completed annually, because it might help stop breakdowns, boost your furnace’s energy efficiency and can even make it live longer.

We Have You Covered When It’s Time for Furnace Replacement

Eventually, your furnace cannot work like it used to in spite of attempts to repair or maintain it. When the time comes, reach out to Midway Services and our professional furnace replacement in Clearwater. We work with some of the top furnace brands, including Lennox®, to offer you affordable, energy-efficient heating options.

When you’re contemplating replacing your furnace, consider taking advantage of our Advantage Program™. Getting a new furnace can run thousands of dollars out of pocket. As an Advantage member, you’ll get a new furnace for just one low monthly fee. There’s no down payment or installation expenses, and you get to pocket any helpful rebates.

What’s even better is that Advantage members don’t pay a dime for repairs** or maintenance. If disaster strikes, you’re supported with 24/7 priority service. You’ll also enjoy discounts, no hidden charges and many other benefits.

Don’t worry about interruptions to your comfort for a minute longer. Give Midway Services a call at 727-219-2471 to arrange an appointment today. Whether you want repairs or if it’s time for a new furnace, we guarantee your satisfaction.


*Not applicable to the Advantage Program. See your signed Advantage Program agreement for full details and exclusions. 100% Satisfaction Guarantee is subject to certain restrictions and limitations as set forth in the applicable Terms and Conditions. **See your signed Advantage Agreement for details.

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