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Furnace Filters


Furnace filters play an important role in the quality of our home's air. Without them, the air we breathe would be filled with dust and other allergens. Therefore, it is essential to understand the different types of furnace filters and the qualities that make each one unique.

The two main types of furnace filters are fiberglass and pleated filters. Fiberglass furnace filters are the most cost-effective and are often used as a baseline filter. They are made up of a spun glass material and can trap large particles such as dust and lint. These filters must be changed regularly, typically once every month, to ensure your furnace is running efficiently.

Pleated filters are more efficient than fiberglass filters and are able to trap smaller particles such as pollen and pet dander. This type of filter is constructed with multiple layers of media, which increases their filtration efficiency. Pleated filters are available in various MERV ratings, which indicates their ability to capture different sizes of particles. Higher MERV rated filters will capture smaller particles and therefore create healthier air in your home, however, they can also cause resistance on your furnace and reduce airflow, making your furnace less efficient in the long run.

When selecting a furnace filter, it is important to consider the size of the filter and the rating. Make sure you measure the size of your existing filter and look for filters that are designated for use in your furnace. Additionally, consider the MERV rating on the filter. If you suffer from allergies or respiratory issues, look for filters with a higher MERV rating.

Furnace filters play an essential role in the quality of air in your home and it is important to understand the different types. Knowing when and how to change your filter regularly can keep your air clean and your furnace running efficiently.


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