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Be Careful When Choosing Your Furnace Filter

A lot of homeowners use furnaces to heat their homes, which should really come as no surprise. Furnaces are highly regarded for both their heating output and the efficiency with which they operate. Sometimes, though, the performance and efficiency of a furnace is actually jeopardized by user error. This is the case when a homeowner uses an inappropriate filter in their furnace.

If you do use a furnace in Suffolk, VA, make sure that you are using a filter that is right for the system. Otherwise, you can cause a number of problems to develop. Read on to learn more.

The Thin Line Between “More Efficient” and “Too Efficient”

In truth, the filter in a furnace is not really there to improve indoor air quality, though it can help to protect it to a certain degree. Instead, this air filter is typically of low MERV (minimum efficiency reporting value) and is intended to protect the furnace itself. If you decide to upgrade the filter in your furnace, that’s fine. However, using one that is too efficient can cause serious problems.

The more efficient an air filter is, the more airflow resistance it creates. While buying a more expensive, more efficient filter may seem like the obvious way to go, it can wind up adversely affecting your furnace. When airflow resistance is more than the furnace is intended to handle, the filter will cause the same problems that a clogged filter would, simply due to its efficiency.

The increased resistance can lead to reduced airflow, which in turn can cause the system to overheat. That can cause the burner to shut down, resulting in short cycling. If this happens frequently enough, the limit switch, which shuts down the burner when temperatures get too high, can fail.

Be sure to consult with a qualified professional if you have any questions about the air filters you are using. House Call Company is happy to help. Contact us and see how we can make you smile.

 

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