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

October 07, 2015

One of the most common issues that we hear about at Service Experts Heating & Air Conditioning in Cocoa is filthy air filters. They might seem like a very small piece of the big home comfort puzzle, but the role they play in helping us control comfort is a lot greater than most homeowners recognize. Regardless if it is cooling season or heating season, having a filthy air filter can cause a variety of problems for your heating and AC system.

So what exactly happens when you forget to switch out your air filter? Here are a just a few of the side effects you might encounter:

  • Decreased airflow. This is easily the greatest issue you’ll note 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 inhibits air from passing through the filter as it should, meaning your system is working a lot harder to provide you with the same amount of air.
  • Frozen coil. If your system is operating harder as a result of a filthy air filter, you also run the chance 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 threat 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 all the time. When your system short cycles, it could 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 shortened equipment lifecycle
  • Lower energy efficiency
  • Decreased air quality
  • Greater 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 avoid any possible damage that may come with a clogged air filter. If you don’t know where your home’s air filter is located or you simply have a question about the variety of air filters available, give Service Experts Heating & Air Conditioning a call at 321-428-7635 or schedule an appointment online.

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