Why Does My Furnace Keep Shutting Off?

September 15, 2017

There is usually a sense of anxiety when you realize something isn’t quite right with your furnace. You’re resting at home and you realize your furnace is continuously 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 more frequently 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 indoor air cleaner, but the filters also help keep your system clean. Your first step when you notice an issue with your system should be checking your air filter to see if it should be replaced. 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 lots of us, we may have set our thermostats months ago and forgot about it, particularly when using a smart or programmable thermostat. Examine your thermostat to see if anything unusual is occurring or if it might need new batteries. The placement 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 house, such as in direct sunlight or near another heat source, it could be wrongly assuming your home reached 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 confirm they are all closed and examine the seals around your windows for any drafts or cold air coming into the house.

While you can look at these issues yourself, if issues still continue after these checks, it might be time to call in the pros. When your furnace is always turning off, it can lead to unnecessary work and stress on your system that could produce more expensive repairs or even a replacement.

Our experts are willing to help you examine the situation and pinpoint the root of the cause, so you can enjoy the rest of the season with the best indoor comfort. If you have questions, call us at or visit our online scheduler to conveniently request an appointment.

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