What are Air Conditioner Filters Made Of?

Learn about what materials are used to make different types of air conditioner filters and how they can help improve indoor air quality.

What are Air Conditioner Filters Made Of?

An air cleaner is usually composed of a spun fibreglass material or of pleated paper or cloth enclosed in a cardboard frame. Its primary purpose is to clean the air that circulates through the heating and cooling system. HEPA filters come in a variety of materials, such as plastic fibers and fiberglass. However, the individual fibers and strands of the material combine to provide a higher level of air filtration.

These filters are rated 13 to 16 on the MERV scale. Fibreglass strands are spun together to create this type of filter, which is one of the most common types of HVAC filters. It is one of the best types of air conditioning filters because it is cost-effective, disposable and protects air conditioners and ovens from dirt. Of the different types of air conditioning filters available, spun glass is one of the most effective. But if you are looking for an air purifier, a more high-tech option would be more suitable.

Fiberglass air filters are disposable and the least expensive type of filter. They cause less stress on HVAC systems by sucking in air and keeping large particles out of the system. However, they don't do a great job of keeping out dust and other smaller contaminant particles. If you or someone in your family has allergies or has respiratory problems, this type of filter may not be powerful enough to help alleviate or prevent respiratory problems.

You will usually have a MERV 4 rating. A central air conditioning filter is usually made of spun fibreglass or pleated paper or cloth, enclosed in a rectangular cardboard frame. Fibreglass filters, the cheapest, are approximately one inch thick and are common in older systems. Newer models of central air conditioning use thicker pleated filters. They filter dust, pollen, pet dander, and other small particles from the air you and your family breathe.

Air filters with the highest MERV ratings have denser, tighter woven fibers to trap smaller particles. However, while the cheapest fiberglass air filter may seem like a good idea for your budget, it may not always be the best choice for your home, your air conditioning system, or your family's health. Using ultraviolet light, these filters kill viruses, bacteria and other microorganisms in the air that pass through them. The starting price of this type of air filter for air conditioning systems is high, but it should be considered an investment that will last for many years. The question that is always on the minds of homeowners is: how often should their air filter be replaced? These filters aren't known to improve air quality since they can't force too much and can only trap some dust and allergens. The indoor air quality (IAQ) of your home in Fairfax, Virginia depends in part on the type of filters in your oven.

If you or your family have allergies or other respiratory problems, high-efficiency particulate air (HEPA) filters are recommended. However, this means that the heating, ventilation and air conditioning (HVAC) system must work harder to move air through the filter, and not all systems are equipped to do so. The function of the air filter is to remove solid contaminants and promote better air quality in your home. The right HVAC filters can make the difference between congested air full of contaminants and clean air that is healthy and easy to breathe. They're the most effective for cleaning the air in your home but they're not practical for most HVAC systems since the filters are too thick.

The pleats of these filters give them an advantage over pleatless options because they increase the surface area of the filter for better filtering.

Edgar Nikodem
Edgar Nikodem

Freelance zombie junkie. Evil beer guru. Typical tv trailblazer. Incurable travel lover. Devoted musicaholic. Certified zombie fanatic.

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