Why Does My Furnace Keep Shutting Off?

September 15, 2017

There is typically a sense of dismay when you recognize something isn’t quite right with your furnace. You’re sitting at home and you hear your furnace is endlessly kicking in and shutting off. However, before you panic, there are several items 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 support keeping your system clean. Your first step when you notice a concern with your system should be checking your air filter to see if it needs to be replaced. If it’s clogged or dirty, it can make it tough for air to flow over the heat exchanger.
  2. Look at your thermostat—For many of us, we may have set our thermostats several months ago and forgot about it, even more so when using a smart or programmable thermostat. Look at your thermostat to see if anything unusual is going on or if it could need new batteries. The site of your thermostat could make a difference, as well. If it’s located in a place that’s usually hotter than the rest of your space, such as in direct sunlight or by another heat source, it could be falsely 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 often. Walk around your home and check the windows to confirm they are all closed and take a look at the seals around your windows for any drafts or cold air entering the home.

While you can review these issues by yourself, if issues still occur after these checks, it might be time to call in the professionals. When your furnace is consistently turning off, it can lead to unnecessary work and stress on your system that could lead to more expensive repairs or even a replacement.

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

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