When it comes to HVAC air filters, fiberglass is the most popular material. Air can easily pass through a fiberglass HVAC filter, making it effective in removing most polluting particles from the air. Pleated filters are similar to fiberglass air filters, but they usually use a polyester cloth to carry out the filtration. This type of air conditioning filter material is shaped like an accordion, giving it a larger filtration surface area than flat filters and less resistance to airflow.
The pleated filters consist of a medium fabric made of polyester or cotton that is placed in folds to increase the surface area of the filter. HEPA filters are also available in several materials, such as plastic fibers and fiberglass. These filters are rated 13-16 on the MERV scale and are very efficient in removing solid contaminants and promoting better air quality in your home. However, they are more expensive than fiberglass and pleated cotton filters and have a shorter lifespan.
When selecting the right combination of air filter material, you should consider air flow restrictions, stopping efficiency requirements, application environment, and budgetary parameters. Cleaning or replacing your air filter regularly is essential for its proper functioning. Multimedia filters are seven times more effective than standard types of air filters due to their larger surface area. Finally, homeowners should be aware that replacing their air filter regularly is necessary for optimal performance.
While the exact frequency depends on several factors, such as the type of filter used and the environment in which it is used, it is generally recommended to replace your air filter every three months.
