March 30, 2017

What can Happen to Your HVAC System if You Don’t Change the Filter?

As a homeowner, one of the most common things you hear is that if you want an HVAC system that works efficiently and without issues, it is crucial to replace your air filters once every three months.

One thing you never here is why this is so important. While clean air filters can help to improve a home’s indoor air quality and make the HVAC system run more efficiently, but it is easy to forgo these benefits to be able to reduce the effort and time you have to spend maintaining your home.

If you still aren’t completely convinced that you need to change your HVAC filters regularly, you need to learn more about the adverse effects that may occur if you don’t.

Reduced Airflow

If your old air filters are clogged with dust, dirt, and other debris, there is much less room for the air to flow through the HVAC system and through the home. As time passes, the issue is only going to get worse. Since your HVAC system is going to have to work harder to circulate the air through your home, your energy bills are going to increase.

A Frozen Coil

If the HVAC system is having to run harder than it usually does because of a dirty filter, then there is the possibility that the cooling coil may freeze inside the AC unit because it is working harder to cool the air in your home. If this problem persists, it may wind up costing quite a bit in regard to repairs. This is why it is best to change the air filters to help prevent this.

No Flow or Heated or Cooled Air

If you don’t switch the air filters as needed, it may result in the HVAC system failing completely. If you leave the same filters for months at a time, then the system will eventually have to work so hard that a part wears out or breaks completely. This is going to require you to call in a professional HVAC technician for service that is going to cost much more than the price of a new air filter.

When you invest in the right maintenance for your HVAC system , it can last between 12 and 15 years. You can also ensure that your home is comfortable all year long and reduce your energy costs simply by changing your HVAC filters.

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Man in gray shirt installing an air conditioner on a beige office wall.

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Collection of Lennox brand HVAC units, various sizes, dark gray.

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Hand pressing thermostat button with a dollar bill, showing 69 degrees.

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