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

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

So what exactly happens when you don’t remember to change your air filter? Here are a just a handful of the side effects you could encounter:  

  • Decreased airflow. This is easily the largest problem you’ll recognize when your home’s air filter is badly clogged. The longer the air filter goes without being swapped out, the more dirt, dust and other particles build up. Of course, this inhibits air from passing through the filter as it should, meaning your system is working a lot harder to leave you with the same amount of air.  
  • Frozen coil. If your system is working harder due to a clogged air filter, you also run the danger of having the cooling coil freeze inside of the system, because it’s running overtime to provide you with cool air.  
  • Total loss of cooling or heating. This is also a possibility if your air filter goes unchanged 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 excessively. When your system short cycles, it could overheat or break down from the added work, possibly causing damage to your system.  

In addition to these, you can also expect:  

  • A diminished equipment lifecycle  
  • Lower energy efficiency  
  • Diminished air quality  
  • More dust and debris  
  • Lack of comfort  

If you’re not sure when you last changed your air filter, it may be a good time to do so in order to avoid any potential damage that could come with a filthy 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 available, give Service Experts Heating, Air Conditioning & Plumbing a call at 866-397-3787 or schedule an appointment online

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