Air conditioning filters are essential components of your AC system, responsible for maintaining air quality and ensuring your unit runs efficiently. However, not all filters are created equal, and understanding the different types can help you make the best choice for your home. In this article, we’ll explore the most common types of air conditioning filters, their benefits, and which might be the best fit for your needs.

1. Fiberglass Filters

Fibreglass air filters are among the most affordable and widely available filters on the market. These filters are constructed from layered fibreglass fibres that trap larger particles like dust and lint.

• Advantages: Low cost and widely available.
• Disadvantages: Only captures large particles and needs frequent replacement.
• Best for: Homes without pets or allergies, and for people seeking a budget-friendly option.

Fibreglass filters may not be the best option for improving indoor air quality since they don’t trap smaller allergens or pollutants.

2. Pleated Filters

Pleated filters are made from cotton or polyester and have pleats that increase their surface area, allowing them to capture more particles than fibreglass filters.

• Advantages: Better filtration of small particles like pollen, pet dander, and mould spores.
• Disadvantages: Slightly more expensive and may restrict airflow in some systems.
• Best for: Households with pets or those needing better allergen control.

These filters offer a good balance between cost and air quality improvement and usually need to be replaced every 3-6 months.

3. Electrostatic Filters

Electrostatic filters use an electrostatic charge to attract and capture airborne particles, much like a magnet.

• Advantages: Highly effective at capturing dust, smoke, and bacteria. Some are washable, reducing long-term costs.
• Disadvantages: Higher initial cost compared to disposable filters.
• Best for Homes with smokers, pets, or people with allergies and asthma.

Electrostatic filters can improve indoor air quality by trapping smaller particles, making them a good choice for homes with sensitive occupants.

Choosing the Right Filter for Your Home

When choosing an air conditioning filter, consider factors like air quality needs, cost, and maintenance frequency. For homes with pets or allergy sufferers, pleated or electrostatic filters are great choices, while fibreglass filters are ideal for budget-conscious households. If you’re seeking the highest level of filtration, HEPA filters provide unbeatable performance but may require system modifications.

At Reeds Air and Refrigeration, we can help you choose and install the best air filters for your home’s specific needs. Contact us today to schedule an appointment and breathe easier knowing your AC system is equipped with the right filter!