Air Conditioning

What Filter Should I use in my Air Conditioning Unit in Irvine?

ac unit filter


In a city like Irvine, keeping a comfortable and healthy interior atmosphere depends on an air conditioning unit’s effective operation. The air filter is one crucial element that helps an air conditioner run efficiently and last longer. Air filters are essential for capturing and eliminating different airborne particles from the circulating air, including dust, pollen, pet dander, and pollutants.

By removing allergens & irritants from the air, a filter in an air conditioner can enhance indoor air quality. -This is particularly crucial in Irvine, where air pollution levels might change as a result of things like car emissions and seasonal allergies.

Why do I need a Proper Filter for My AC Unit?

By avoiding the buildup of dirt, debris, and other particles, air filters assist in maintaining the effectiveness and performance of an air conditioning unit. A clean and well-maintained system aids in maintaining constant cooling and increases the equipment’s lifespan, which may result in cost savings.

Types of Air Conditioning Filters

Fiberglass Filters

Description and characteristics

The most popular and affordable air conditioner filter solutions are fiberglass. These filters are made of densely woven fiberglass, a fundamental barrier to bigger airborne particles. Most frequently, they come as disposable panels or flat sheets that are simple to install in standard HVAC systems.

Fiberglass filters can catch larger particles like dust, lint, and pet hair. Because of their initial low airflow resistance, they effectively circulate air throughout the system. They do a poorer job of catching tiny particles and allergens, though.

Pros and cons


  • Cost-efficient: Fiberglass filters often cost little, making them affordable for households.
  • Reduced initial resistance: By allowing for adequate circulation, these filters lessen the load on the air conditioner.
  • They are simple to install, available in standard sizes, and cleaned or replaced when necessary.


  • Lower filtration: Fibreglass filters have lower filtering effectiveness than other filter types. They need to be more efficient at capturing tiny particles and allergens.
  • Low lifetime: Fiberglass filters often have a shorter lifespan than higher-grade filters because of their simple construction. They need to be replaced more frequently.

Recommended usage scenarios

Fiberglass filters are frequently employed in-home settings with few respiratory sensitivities or concerns about air quality. Filters can capture larger particles, but if you have allergies or other problems with the air quality in your home, you should look into different filters. Fiberglass filters are a realistic option for households on a tight budget, but routine maintenance and replacements are necessary for optimum performance.

Pleated Filters

Description and characteristics

Due to their improved filtration qualities, pleated filters for air conditioners are well-liked. They are constructed from thick filtering materials comprised of polyester or cotton fibers. Pleated filters have more surface area, which enhances particle collection and boosts filtration effectiveness. They are made to collect various debris, such as dust, pollen, mold spores, pet dander, and tiny allergens.

Pros and cons


  • More filtration effectiveness: Pleated filters are more effective at filtering than fiberglass filters. They can successfully trap tiny particles thanks to their design and thick filtering material, which raises air quality within buildings.
  • Filters with longer lifespans can last for many months before needing to be replaced.
  • Flexible options: Pleated filters come in a range of MERV ratings, letting you select the degree of filtering that best matches your requirements.


  • Higher airflow resistance: Compared to fiberglass filters, pleated filters may have a higher airflow resistance due to their denser filtering material. -Choosing a pleated filter with the proper MERV rating is crucial to maintain ideal airflow and avoiding stress on the air conditioner.
  • Costlier: Due to their improved filtering powers and longer lifespan, pleated filters often cost more than fiberglass filters.

Recommended usage scenarios

Due to their ability to absorb common allergens and tiny particles, pleated filters are perfect for households with allergic or sensitive residents. Pleated filters assist in preserving cleaner indoor air and prevent particles from building up on air conditioning components in areas with higher dust or pollution. Pleated filters are excellent for circumstances where improved air quality is a priority, such as those involving people with asthma or allergies, since they offer increased filtering effectiveness.

Electrostatic Filters

Description and characteristics

Since they use an electrostatic charge to collect airborne particles, electrostatic filters have a unique filtration process. These filters are often made of layers of synthetic fibers that have been electrostatically charged or from a mix of synthetic and natural fibers. Particles are drawn to and trapped by the electrostatic charge as they go past the filter.

Electrostatic filters are two types: washable and disposable, designed to capture a wide range of particles such as dust, pollen, mold spores, pet dander, and bacteria.

Pros and cons


  • Improved filtering effectiveness: Electrostatic filters are excellent at removing tiny pollutants and allergens. As a result of the electrostatic charge’s ability to attract particles, filtering is booming, and indoor air quality is enhanced.
  • Electrostatic filters that may be washed and reused more than once before needing to be replaced provide long-term cost benefits. They are, therefore, a more cost- and environmentally-conscious option.
  • Options for customization: Electrostatic filters come in various sizes and MERV ratings, allowing you to select the amount of filtration that best meets your requirements.


  • Starting cost: Compared to other filter types, electrostatic filters, particularly washable ones, may have a more significant initial outlay. However, the long-term cost savings from reusability more than made up for the initial expense.
  • Washable electrostatic filters must be cleaned often to stay in top working condition. Its efficacy may be lowered, and the airflow resistance may rise if not cleaned correctly and often.
  • Ozone emission: Due to the filtering process, some electrostatic filters may emit trace quantities of ozone. Even though the levels are usually low and within safe bounds, those with respiratory sensitivity might prefer filters that don’t emit ozone.

Recommended usage scenarios

In settings where effective particle collection and enhanced indoor air quality are required, electrostatic filters are beneficial. They are appropriate for homes where people have allergies, asthma, or other respiratory ailments since they are good at capturing common allergens and irritants.

For areas with greater concentrations of airborne contaminants, such as those close to roads or industrial zones, electrostatic screens are appropriate. Although washable filters may be reused and are suitable for the environment, regular maintenance and replacement intervals are necessary to guarantee optimum performance. For information on maintenance and replacement schedules, see the manufacturer.

High-Efficiency Particulate Air (HEPA) Filters

Description and characteristics

One of the most efficient filters for air conditioners is the High-Efficiency Particulate Air (HEPA) filter. These filters are made from a dense network of randomly organized fibers and have the form of a labyrinth. With an efficiency of 99.97%, HEPA filters are made to absorb particles as tiny as 0.3 microns.

HEPA filters are made of fiberglass or synthetic materials, trapping and retaining particles such as dust, pollen, pet dander, mold spores, bacteria, and viruses. They are used in settings with stringent air quality control, such as hospitals and laboratories.

Pros and cons


  • High filtering effectiveness: HEPA filters are very good at trapping various particles, including tiny contaminants, airborne viruses, and allergies. They offer the most excellent quality of air conditioning filter filtration currently available.
  • A cleaner and healthier indoor environment is achieved thanks to HEPA filters’ removal of allergens and other impurities. They accommodate people with severe allergies, asthma, or respiratory sensitivities.
  • Known for their dependability, HEPA filters are frequently used in clean air-required sectors of the economy, including healthcare and cleanroom facilities. They have undergone comprehensive testing and have shown to be reliable and effective.


  • More airflow resistance: The thick construction of HEPA filters may increase airflow resistance, affecting the air conditioner’s effectiveness. It is crucial to confirm that the system can manage the higher resistance and to choose a suitable filter for the unit’s requirements.
  • Increased price: HEPA filters are often more expensive than other filters due to their extraordinary filtering characteristics. Nonetheless, their remarkable performance and capacity to catch various particles justify the investment.

Recommended usage scenarios

Environments requiring the highest filtration and air quality management are advised to use HEPA filters. These are a few typical situations when HEPA filters are handy:

  • HEPA filters effectively remove allergens from the air, helping those with allergies and asthma.
  • HEPA filters reduce airborne contamination in high-risk environments by capturing bacteria, viruses, and other germs.
  • Concerns about severe air quality: HEPA filters can add protection if you live in an area with severe air pollution or have particular concerns about particulate matter, such as during wildfire seasons. By capturing fine particles and lowering their presence indoors, they are instrumental if you live in an area with severe air pollution.

It’s important to remember that HEPA filters could necessitate an air conditioning system that is suitable and capable of handling the additional airflow resistance. In addition, frequent upkeep and filter changes are essential to preserving their effectiveness.

Factors to Consider When Choosing a Filter

Filter Efficiency ac install with filter irvine

Understanding Minimum Efficiency Reporting Value (MERV)

A typical evaluation scheme for evaluating the efficacy of air conditioning filters is called Minimum Efficiency Reporting Value (MERV). A higher number indicates better filtering effectiveness on the MERV rating scale, which runs from 1 to 20. Higher MERV-rated filters help better air quality by capturing tiny particles.

Considerations for filter efficiency based on specific needs

It’s crucial to consider your particular air quality requirements when choosing a filter. Typically, filters with a MERV value of 8 to 13 are advised for regular household use. These filters provide a reasonable compromise between airflow restriction and filtering effectiveness. To get the best air quality, a higher MERV-rated filter, such as a HEPA filter, may be required in areas with particular concerns, such as those with severe allergies or respiratory disorders.

Airflow Restriction

Balancing filtration efficiency with airflow

High filtration effectiveness is preferred. However, it’s necessary to consider the filter’s impact on airflow. Airflow resistance may increase with denser-material filters or with more outstanding MERV ratings. For the air conditioning system to function well, selecting a filter that balances filtration effectiveness and retaining appropriate airflow is critical.

Choosing a filter with an appropriate airflow restriction

Be sure that the filter you choose meets the requirements of your air conditioning equipment. Your system’s maximum permitted airflow restriction can be found in the manufacturer’s instructions or by speaking with a qualified HVAC technician. The best airflow will be maintained, and the unit won’t be stressed if you select a filter from this range.

Indoor air quality needs

Allergies and asthma considerations

Selecting a filter that can catch allergens like pollen, dust mites, and pet dander is crucial if you or any home members suffer from allergies or asthma. Higher MERV-rated filters, including electrostatic or pleated filters, are often better at trapping these particles. To aid with symptom alleviation and enhance indoor air quality, think about filters made particularly for controlling allergies or asthma.

Addressing specific pollutants (e.g., pollen, dust, pet dander)

Determine any particular contaminants in your neighborhood or home that warrant consideration. For instance, choosing a filter with a high MERV rating and one made to catch pollen will help lessen its presence indoors if you reside in a region with high quantities of pollen. A filter with strong pet dander collecting capabilities can also assist in maintaining cleaner air and reduce allergy responses if you have pets.

Maintenance and replacement

Filter lifespan and replacement frequency

Take into account the filter’s lifespan and frequency of replacement. The lifespans of various filter kinds and brands range from one to six months. Make sure you comprehend the suggested replacement frequency and consider any unique environmental factors that may impact the filter’s function, such as excessive dust or pollutants. The filter should be changed regularly to maintain maximum filtering effectiveness and high indoor air quality.

Ease of maintenance and installation

Choose a filter that is simple to install and maintain. While certain filters, like washable electrostatic filters, need only be replaced when they become clogged, others, like disposable filters, require routine cleaning. When it comes to maintaining your filters, consider your preferences and talents. To facilitate installation and guarantee proper operation, make sure the filter size fits the specifications of your air conditioning equipment.


Filters are essential for maintaining clean and healthy indoor air, as they trap airborne particles, allergens, and pollutants, preventing them from circulating and causing health issues. They also help reduce allergies and respiratory symptoms and create a more comfortable living environment.

It is essential to consider the specific needs of your household and environmental conditions when selecting a filter for your air conditioning unit in Irvine. MERV rating, airflow restriction, maintenance requirements, and ease of installation should be considered to ensure optimal filter performance.

Maintaining and replacing your air conditioner’s filter following the manufacturer’s instructions is an investment in your health and well-being.

Send a request for a free quote


About admin

From top brands to the cooling unit that’s proper for the size of your home or office, our team will guide you through the air conditioning installation process. A combination of top-notch service and fully licensed, experienced installers provide the quality you’re searching for to get your system up and running.

Leave a Reply

Your email address will not be published. Required fields are marked *