What Happens When You Don’t Change Your Furnace’s Air Filter  

One of the most common concerns that we come acress at Service Experts Heating, Air Conditioning & Plumbing in the U.S. is filthy air filters. They might seem like a very tiny piece of the whole home comfort puzzle, but the role they play in helping us control comfort is a lot larger than most homeowners recognize. Regardless if it is cooling season or heating season, having a clogged air filter can cause a number of concerns for your heating and AC system.  

So what exactly happens when you forget to change your air filter? Here are a just a handful of the side effects you could encounter:  

  • Decreased airflow. This is easily the greatest problem you’ll notice when your home’s air filter is very clogged. The longer the air filter goes without being swapped out, the more dirt, dust and other particles build up. Of course, this hinders air from passing through the filter as it should, meaning your system is working quite a bit harder to give you the same amount of air.  
  • Frozen coil. If your system is working harder due to a filthy air filter, you also run the chance of having the cooling coil freeze inside of the system, because it’s working overtime to provide you with cool air.  
  • Total loss of cooling or heating. This is also a probability if your air filter goes neglected for months and months on end. In essence, you will have worked your system so hard that something breaks or wears out and needs to be replaced or serviced.  
  • Short cycling. Short cycling means the heating and cooling system turns on and off more than it should. When your system short cycles, it can overheat or break down from the added work, which could end up causing damage to your system.  

In addition to these, you can also expect:  

  • A diminished equipment lifecycle  
  • Decreased energy efficiency  
  • Decreased air quality  
  • Increase in dust and debris  
  • Lack of comfort  

If you’re not sure when you last swapped out your air filter, it may be a good time to do so in order to avert any potential damage that might come with a dirty air filter. If you don’t know where your home’s air filter is located or you simply have a question about the various air filters we have, give Service Experts Heating, Air Conditioning & Plumbing a call at 866-397-3787 or schedule an appointment online. 

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