Why Does My Furnace Keep Shutting Off?

September 15, 2017

There is always a sense of dread when you realize something isn’t quite right with your furnace. You’re resting at home and you realize your furnace is constantly kicking in and shutting off. However, before you panic, there are a few things you can check when you realize your furnace seems to be shutting off a lot more than it should be.

  1. Check the air filter in your furnace—You may think that air filters are only used to help keep the air inside your home cleaner, but air filters also help keep your system clean. Your first step when you notice an issue with your system should be taking a look at your air filter to see if it needs replacement. If it’s clogged or dirty, it can make it hard for air to flow over the heat exchanger.
  2. Look at your thermostat—For several of us, we may have set our thermostats several months ago and forgot about it, particularly when using a smart or programmable thermostat. Check your thermostat to see if anything unusual is taking place or if it may need new batteries. The location of your thermostat could make a difference, as well. If it’s located in a place that’s often hotter than the rest of your space, such as in direct sunlight or by another heat source, it could be wrongly assuming your home has met the desired temperature.
  3. Check out your windows for proper insulation—If your home doesn’t have proper insulation, your furnace is likely to shut off more frequently. Walk around your home and check the windows to make sure they are all closed and inspect the seals around your windows for any drafts or cold air entering the home.

While you can review these issues on your own, if issues still continue after these checks, it might be time to call in the professionals. When your furnace is always turning off, it can end up forcing unnecessary work and stress on your system that could cause more pricey repairs or even a replacement.

Our experts are happy to help you assess the situation and identify the root of the cause, so you can enjoy the rest of the season with the optimum indoor comfort. If you have questions, give us a call at or use our online scheduler to conveniently request an appointment.

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