What are the Different Types of Air Conditioner Filters and Their Benefits?

When it comes to air conditioning systems, there is a wide range of filters available to choose from. From HEPA filters to UV light filters, electrostatic filters, washable filters, multimedia filters, spun glass filters, pleated filters and fiberglass air filters, each type of filter offers different advantages and disadvantages. Fiberglass air filters are the most economical option and are disposable. They put less strain on air conditioning systems when they draw in air and keep large particles out of the system.

However, they don't do a great job of keeping dust and other smaller contaminating particles out. If you or someone in your family has allergies or respiratory issues, this type of filter may not be powerful enough to help alleviate or prevent respiratory problems. It will usually have a MERV 4 rating. UV filters are used in air filters that can be integrated into your air conditioning system.

Using UV light, these filters kill viruses, bacteria, and other microorganisms in the air that passes through them. However, they're not as efficient at removing dust and other contaminants, but they're great if you have questions about the quality of indoor air that an air filter can fix. The two most common types of air filters for HVAC use are pleated and fiberglass air filters. Fiberglass air filters are made up of layers of fiberglass that are held by a metal frame. They are the most affordable option but also the least effective and durable.

These air filters will keep waste out of your air conditioning equipment, but they aren't the best for purifying the air your family breathes, as fine particles can still get through. Pleated air filters are considered superior in filtering compared to fiberglass air filters. They are made of a polyester or cotton material that traps smaller air particles, but also has greater resistance to airflow. The more folds an air filter has, the more thoroughly it will clean the air, but the downside is reduced airflow. HEPA filters are some of the most popular filters today because they are incredibly effective at removing a wide variety of airborne particles. These filters can remove contaminants as small as 0.3 microns and will remove more than 99.9 percent of all airborne particulates in your home.

They have an exceptional MERV rating and are particularly useful for people with chronic respiratory conditions. If you don't want to have to replace your air conditioner filters regularly, then you might be interested in reusable air filters. These are filters that you can remove from your system, wash, and use again. Because they're reusable, they're generally a bit more expensive than disposable filters, but they could be a way to save money in the long run. At the same time, because you expose these filters to liquids, they are prone to mold and mildew growth, so it's incredibly important that you care for them properly. The lifespan of an old air filter depends on the quality of the air and the number of people in the facility.

When comparing the types of air filter media, it is a question of comparing the material used to manufacture the filter. Getting an exact fit is essential for having an effective air filter; the wrong size won't fit and will cause the filter to stop working properly. You should make sure that you select the right filters for your air conditioning system, so make sure you work with a professional who can help. Fiberglass, polyester, washable, pleated and electrostatic filters offer different air filtering capabilities. Since approximately 25% of outdoor air pollution occurs indoors, outdoor air quality significantly affects indoor air quality, as well as what types of particulates need to be removed.

Types of Air Conditioner Filters

Fiberglass Air Filters: These are disposable and least expensive type of filter available on the market today. They cause less stress on AC systems when they suck in air and keep large particles out of the system.

However, they don't do a great job at keeping dust and other smaller contaminating particles out. UV Light Filters: These types of filters can be integrated into your AC system and use UV light to kill viruses, bacteria and other microorganisms in the passing through them. Pleated Air Filters: These are considered superior in filtering compared to fiberglass air filters as they are made from polyester or cotton material which traps smaller particles but also has greater resistance to airflow.

Benefits Of Air Conditioner Filters

  • They help keep dust and other contaminants out of your home.
  • They help improve indoor air quality.
  • They help reduce allergens in your home.
  • They help reduce energy costs by keeping your AC system running efficiently.


When selecting an AC filter for your home or business it is important to consider all factors such as cost effectiveness, efficiency at removing contaminants from indoor air quality as well as getting an exact fit for your AC system.

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